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Background: Mid-adolescence is an important phase of self-development in various domains including academics as well as for changes in the neural mechanisms underlying the self-concept. Students' academic self-concept (ASC) is affected by educational achievements and social others (such as teachers and peers). To what extent these external influences relate to neural dynamics during adolescents' self- and other-evaluations (i.e. of friends and teachers) which affect ASC over time is currently unclear., Aims: The current study aimed to address the question of to what extent the developing ASC is influenced by developmental changes in self- and other-evaluations (friends, teachers) and their underlying neural mechanisms as well as academic achievement., Methods: In this interdisciplinary longitudinal fMRI study, forty-seven 13-year-olds (at T1) were instructed to indicate whether positive and negative trait adjectives described themselves (self-evaluations), their teachers, or peers (other-evaluations) at two time points. We investigated how adolescents' academic self-concept is influenced by changes in their academic achievement and self- and other-evaluations (teachers and peers) 1.5-years later., Results: Behaviourally, both, academic achievement and positive teacher evaluations were important to prevent the observed decline in ASC during mid-adolescence. Our fMRI results showed that cortical midline structures were linked to self-evaluation, whereas the precuneus and occipital regions were related to friends- and teacher-evaluation. Here, ASC was predicted by activity changes in the precuneus during friends-evaluations for students with better academic achievement., Conclusion: Our findings indicate that academic achievement and positive teacher-evaluations could prevent the decline in ASC observed in mid-adolescents and that the neural correlates of evaluating close others within the precuneus present an important link to ASC. The current study highlights the importance of educational neuroscience studies to understand the changing ASC during adolescence., (© 2024 The Authors. British Journal of Educational Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.)

Past research on situated expectancy-value theory has regularly provided evidence of different motivational patterns indicating that not only can students be characterized by different levels of motivation (e.g., low vs. high), but also by divergent profiles (e.g., high success expectancies, low task values). This person-oriented two-wave study (a) identified and compared the motivational patterns of secondary school students from different learning environments (i.e., Student-Centered Learning vs. Teacher-Directed Learning), (b) analyzed the stability of and changes to these patterns during a school year, and (c) examined whether achievement-related choices and performance predicted the pattern changes. Using data from German secondary school students (T1: N = 1153; M = 13.97 years, SD = 1.37; 49% girls) multigroup latent transition analysis revealed four different motivational patterns, including a (a) High Motivational pattern, (b) Medium Motivational pattern, (c) Low Motivational pattern, and (d) Highly Confident/Hardly Interested pattern. The distribution of these patterns differed significantly between students from Student-Centered-Learning and Teacher-Directed-Learning environments. Approximately 47% of students in Teacher-Directed Learning were in the low motivational class whereas the Student-Centered Learning environment exhibited approximately half of that number. The extremely stable nature of these classes highlights the strong relevance of the educational context for student motivation and supports situated expectancy-value theory., (Copyright © 2023. Published by Elsevier Ltd.)

During adolescence, students increasingly report suffering from stress and school burnout, which poses a risk to students' healthy development. However, social support may counteract perceived stress according to the Buffering Hypothesis and the Conservation of Resources Theory. In search of factors that would support healthy student development, studies have primarily focused on self-report data and neglected biophysiological processes. Addressing this research desideratum, this study examined whether perceived social support buffers the interplay of self-reported stress considering biophysiological markers (i.e., cortisol, alpha-amylase, oxidative stress, and telomere length). 83 secondary school students (M age  = 13.72, SD = 0.67; 48% girls) from Germany participated in a questionnaire study and biophysiological testing. Moderation analyses in R revealed that support from parents moderated the relationships between psychological stress as well as cynicism and inadequacy at school linked to alpha-amylase., (© 2024. The Author(s).)

Background: This study examines the relationship between adolescents' biophysiological stress (i.e. cortisol, alpha-amylase and oxidative stress) and the development of grit and school engagement over one school year., Aims: The study aims to identify how objective stress affects grit and three dimensions of school engagement. Based on the conservation of resources (COR) theory, the study considers lower- and higher-track school students and their genders., Sample: The sample consists of secondary school students (N = 82; M Age  = 13.71; SD = 0.67; 48% girls) from Germany., Methods: Students participated in a questionnaire and a biophysiological study in the first semester (t1) of the school year and completed the same questionnaire at the end of the school year (t2). After conducting whole-sample analysis, a multi-group cross-lagged panel model was calculated to identify differences among students at lower- and higher-track schools., Results: Whole-sample analysis reveals that students who exhibit high levels of cortisol report lower cognitive school engagement at t2, whereas students who exhibit high levels of alpha-amylase exhibit less grit at t2. Additionally, lower-track students who exhibited high cortisol levels reported lower cognitive and emotional school engagement throughout the school year. Furthermore, higher-track students with high oxidative stress levels reported lower grit and behavioural school engagement at t2., Conclusions: Examining the relationship between biophysiological stress markers and grit and school engagement of students at lower- and higher-track schools indicates that the educational context and its specific subculture shapes physiological stress reactions, which are related differently to grit and engagement dimensions., (© 2022 The Authors. British Journal of Educational Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.)

Mid-adolescence is a critical time for the development of stress-related disorders and it is associated with significant social vulnerability. However, little is known about normative neural processes accompanying psychosocial stress at this time. Previous research found that emotion regulation strategies critically influence the relationship between stress and the development of psychiatric symptoms during adolescence. Using functional magnetic resonance imaging (fMRI), we examined neural responses to acute stress and analyzed whether the tendency to use adaptive or maladaptive emotion regulation strategies is related to neural and autonomic stress responses. Results show large linear activation increases from low to medium to high stress levels mainly in medial prefrontal, insulae and temporal areas. Caudate and subgenual anterior cingulate cortex, neural areas related to reward and affective valuations, showed linearly decreasing activation. In line with our hypothesis, the current adolescent neural stress profile resembled social rejection and was characterized by pronounced activation in insula, angular and temporal cortices. Moreover, results point to an intriguing role of the anterior temporal gyrus. Stress-related activity in the anterior temporal gyrus was positively related to maladaptive regulation strategies and stress-induced autonomic activity. Maladaptive coping might increase the social threat and reappraisal load of a stressor, relating to higher stress sensitivity of anterior temporal cortices.

Based on the control-value theory, the present study examined the development and change of enjoyment and effort among adolescents during a school year. The study analyzed 754 adolescent students (M Age  = 13.56; SD = 1.2; 49.7% female) who twice participated in a 1-week intervention of self-directed learning (SDL). The results of the bivariate latent neighbor change model showed that-contrary to previous study results-a positive development of enjoyment and effort was generally recorded over the school year and that particularly the two 1-week self-directed learning interventions were beneficial for this increase. Furthermore, the results show that enjoyment and effort were reciprocally linked over time, but only when self-directed learning was experienced first. In other words, by enlarging instruction via self-directed learning intervals, it is possible to counteract the tendency of enjoyment and effort to exhibit a downward spiral. This tendency is especially pronounced during students' entry into secondary school and the onset of adolescence., (Copyright © 2022 Society for the Study of School Psychology. Published by Elsevier Ltd. All rights reserved.)

According to the conservation of resources theory, social support provides resources to help overcome challenges. Although some empirical findings have emphasized the pivotal role of teacher support and/or peer support for students' stress and academic achievement, multilevel analyses that consider contextual class and individual student effects are scarce. The current study addresses this gap and further includes gender, socio-economic status, and neuroticism as covariates. Multilevel analyses in Mplus were conducted. All measures were taken at the student level and then aggregated to the classroom level to estimate class-level relationships. Results revealed that on the individual level, teacher support was related to higher ability to cope and lower levels of helplessness, while on the class level, peer support by classmates was related to higher ability to cope and academic achievement. The context effects also show that in classes with higher peer support, students are more likely to benefit in terms of coping ability and achievement, whereas in classes with higher teacher support, students tend to show less coping ability., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Hoferichter, Kulakow and Raufelder.)

Background: In the present study, we investigated the association between sensory processing sensitivity (SPS) and telomere length (TL), which is considered a biomarker of cellular aging. SPS is an individual characteristic describing increased perception and procession of inner or outer stimuli, and is positively related to self-perceived stress., Methods: We recruited 82 healthy adolescents aged 13-16 from secondary schools in Germany. SPS was measured with the Highly Sensitive Person Scale, and TL was determined by a multiplex quantitative PCR method., Results: Our results show that students with higher values of SPS are likely to have shorter telomeres (β = 0.337, p = .001), when adjusting for sex, socioeconomic status, age, and body mass index. These findings are also independent of the negative impact of stress students might have perceived shortly before data collection., Conclusions: Our analysis suggests that students who struggle with low sensory threshold are likely to have shorter telomeres., (© 2022 The Authors. Brain and Behavior published by Wiley Periodicals LLC.)

Introduction: Using the situated expectancy-value theory, it becomes possible to explain motivational functioning across alternating learning conditions not only at a particular moment but also over time. The situated expectancy-value theory provides evidence for the critical role of context. The present research examines how adolescents' success expectancies, task values, and effort develop when the conditions of the academic environment change. It also evaluates whether adolescents adopt more adaptive expectancy-value profiles in response to the need-based nature of self-directed learning as an extension of regular instruction. Within the self-directed learning approach under investigation, adolescents take responsibility for their own learning processes., Methods: The present research offers insights into the expectancy-value profiles of 754 German adolescents (M age  = 13.56; SD = 1.2; 49.4% female). A four-wave study was used to examine perceptions of self-efficacy, intrinsic value, utility value, and effort. Latent profile analyses and latent transition analyses were employed., Results: Notably, the results provide evidence that expanding instruction via self-directed learning intervals that occur for 1 week per semester contributes to more favorable expectancy-value profiles within a student's favorite subject. A mixed profile (highly confident, hardly interested) disappeared. Instead, success expectations aligned more closely with adolescents' task values and effort. All profiles settled at a higher level., Conclusions: The findings indicate that instruction that is expanded via self-directed learning intervals has positive consequences for motivational profiles over time. An initial self-directed learning episode led to a shift to more interested profile groups. The continuation of a positive trend even after a self-directed learning interval indicates that adolescents are able to continually adapt their learning to their needs during teacher-directed instruction. This study provides clues about how to design curricula in a way that counteracts the downward trend in students' motivation to learn., (© 2022 The Authors. Journal of Adolescence published by Wiley Periodicals LLC on behalf of Foundation for Professionals in Services to Adolescents.)

Background: Based on learned helplessness theory and conservation of resources theory, the present study explores the role of schools' social environments (i.e., school belonging, school exclusion, and teacher-student relationships) as potential buffers and amplifiers in students' development of learned helplessness during adolescence., Aims: We examine whether school belonging, school exclusion, and teacher-student relationship moderate the longitudinal association of learned helplessness differently for students from low-track schools and high-track schools., Sample: The study uses a sample of N = 1,088 (M age  = 13.70, SD = 0.53; 54% girls) adolescent students who participated in a two-wave longitudinal study., Methods: We conducted latent moderated structural equation modelling to examine whether school belonging, school exclusion, and teacher-student relationship moderate the longitudinal association of learned helplessness differently for students from low-track schools and high-track schools., Results: The moderation analyses revealed that students from both school tracks are differently affected by school belonging and school exclusion in their development of learned helplessness. Teacher-student relationship did not moderate the association., Conclusion: Our findings underline the important role of the social environment in students' development of learned helplessness. Particularly, the differential effects found for the different educational tracks highlight the necessary awareness of educators to interindividual differences of their students., (© 2021 The Authors. British Journal of Educational Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.)

Following the relational-developmental systems approach, this three-wave study examines whether acute stress (T2) mediates the relationship between the development of personality traits from the beginning of 8th grade (T1, M age = 15.63, SD = 0.59; 22 girls) to the end of 9th grade (T3). Using the Montréal Imaging Stress Task, which is a task that provokes acute social stress by negative social feedback, this study combined the functional magnetic resonance imaging (fMRI), heart rate, and longitudinal survey data of 41 adolescents. Mediation analysis revealed that stress-induced left insula activation partially mediates the longitudinal stability of conscientiousness. These results highlight the impact of negative social feedback during stress on students' personality development., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Raufelder, Hoferichter, Kulakow, Golde, Gleich, Romund, Lorenz, Pelz and Beck.)

Students' sense of belonging presents an essential resource for academic and health outcomes, whereas social exclusion at school negatively impacts students' well-being and academic performance. Aiming to understand how feelings of school-related belonging and exclusion shape the structural brain development, this study applied longitudinal questionnaire-based data and MRI data from 71 adolescent students (37 females, M age at t1 = 15.0; t2 = 16.1 years). All were white participants from Germany. Voxel-based morphometry revealed only an association of social exclusion (and not of belonging) and gray matter volume in the left anterior insula: From t1 to t2, there was less gray matter decrease, the more social exclusion students perceived. School-related social exclusion and disturbed neurodevelopment are thus significantly associated., (© 2021 The Authors. Child Development published by Wiley Periodicals LLC on behalf of Society for Research in Child Development.)

Introduction: Self-directed learning (SDL) fosters adolescents' needs satisfaction. According to self-determination theory, meeting adolescents' needs for autonomy, competence and relatedness is essential for their motivation. However, students' needs satisfaction and motivation tend to decrease during adolescence and the rate of decrease varies by gender. Prior research within the self-determination theory literature has described adolescents in traditional teacher-directed learning (TDL) contexts, but little research has examined decreases in adolescents' needs satisfaction and motivation or gender-based differences among adolescents in SDL interventions., Methods: The present two-wave study compared questionnaire data from German adolescent boys and girls (N = 754; M age  = 13.56; SD = 1.2; 49.4% girls) who attended an SDL intervention. To investigate possible gender-based differences in the interplay and extend of the variables, two multi-group structural equation model (multigroup SEM) and latent mean comparison (LMC) were programmed., Results & Conclusions: Boys reported higher values only for introjected and extrinsic regulation. With two different restricted multigroup SEMs, the present study detected additional gender-based differences. For example, the paths between autonomy and intrinsic and identified motivation were stronger for boys than for girls, and competence was only associated with intrinsic motivation among girls. Overall, these findings suggest that fewer gender-based differences exist in needs satisfaction and academic self-regulation in an SDL intervention than have been observed in previous research in TDL contexts. Further, adolescents' needs satisfaction was explicitly associated with higher forms of academic motivation (i.e., intrinsic and identified)., (Copyright © 2021 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.)

Background: Students' self-concept of ability is an important predictor of their achievement emotions. However, little is known about how learning environments affect these interrelations., Aims: Referring to Pekrun's control-value theory, this study investigated whether teacher-reported teaching quality at the classroom level would moderate the relation between student-level mathematics self-concept at the beginning of the school year and students' achievement emotions at the middle of the school year., Sample: Data of 807 ninth and tenth graders (53.4% girls) and their mathematics teachers (58.1% male) were analysed., Method: Students and teachers completed questionnaires at the beginning of the school year and at the middle of the school year. Multi-level modelling and cross-level interaction analyses were used to examine the longitudinal relations between self-concept, teacher-perceived teaching quality, and achievement emotions as well as potential interaction effects., Results: Mathematics self-concept significantly and positively related to enjoyment in mathematics and negatively related to anxiety. Teacher-reported structuredness decreased students' anxiety. Mathematics self-concept only had a significant and positive effect on students' enjoyment at high levels of teacher-reported cognitive activation and at high levels of structuredness., Conclusions: High teaching quality can be seen as a resource that strengthens the positive relations between academic self-concept and positive achievement emotions., (© 2020 The Authors. British Journal of Educational Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.)

Introduction: One major stressor of adolescents relates to the pressure students perceive from their parents accompanied by high academic expectations, while in contrast parental support is related to low levels of stress. However, it is not clear whether the perceived parental pressure and support contribute to a change in students' stress level from early to middle adolescence and if there are differences among students from low vs. high track schools., Methods: Thus, based on the conservation of resources theory, this two-wave study examined the role of perceived maternal and paternal pressure and support for students' general stress level from grades 8 to 9 among students attending high- and low-track schools by applying multigroup multilevel latent change modeling based on data from 1088 8 th grade students (M Age = 13.70, SD = 0.53, 53.9% girls at Time 1)., Results: Results indicate that the general stress level from early to middle adolescence increases for students from low-track schools only. This change increases even more if students from lowtrack schools perceive pressure from their fathers, whereas perceived paternal support dampen the increase of stress. For students from high-track schools, perceived maternal pressure is positively and maternal support negatively related to students' stress level in grade 8. Overall, boys tend to report lower stress levels compared to girls., Conclusions: The findings of the present study support the conservation of resources theory, as both perceived support and pressure from parents and the educational context predict students' stress development during adolescence., (Copyright © 2020. Published by Elsevier Ltd.)

The present interdisciplinary study explored whether perceived loneliness is associated with ventromedial prefrontal cortex (vMPFC) activation during self- and social judgments (friends and teachers) in adolescents. Moreover, we examined how vMPFC activity is related to the academic self-concept (ASC). Results of manifest path analysis indicated that high perceived loneliness was related to lower neural response to self-judgments. In turn, high neural response to self-judgments was positively associated with the ASC, whereas there was a trendwise negative association between high neural response to teacher-related judgments and ASC. This study reveals associations between perceived loneliness and neural processing of the self, underlining the idea that feeling isolated from others may hinder self-insight and, by extension, the formation of a stable academic self-concept., (© 2018 Society for Research on Adolescence.)

Introduction: It has already been shown that positive emotions can positively influence learning behavior. However, what is less known is whether teacher support mediates this relationship in adolescents of varying ages and genders in self-directed learning (SDL) at school., Methods: Data gathered with questionnaires given to 754 German students (Mage = 13.56; SD = 1.2; 49,4% female students) at two measurement times is used as the empirical basis of this study. To control for possible gender and age-based differences in the interplay and extent of the variables, a multigroup structural equation model and latent mean comparison (LMC) were carried out, whereby four groups [female 6th/7th graders, male 6th/7th graders (earlier adolescence), female 8th/9th graders, male 8th/9th graders (middle adolescence)] were examined., Results: Across from the female 8th/9th graders as the reference group, the LMC showed that all other groups have significantly higher mean values for positive emotions. In addition, female 6th/7th graders report a significantly higher level of volition. Teacher support partly mediates all relations. Group differences in the interplay of the variables were excluded., Conclusion: The results of the study highlight the importance of teacher support when SDL is carried out in school. Thus, teacher support reduces the effects between positive emotions and learning behavior. This means that in self-directed learning, even those students who develop weaker positive emotions are supported., (Copyright © 2019. Published by Elsevier Ltd.)

Background: Based on Mayer and Salovey's model of emotional intelligence, this study examined whether perceived stress mediates the interplay of emotional intelligence and life satisfaction for girls and boys during early and middle adolescence., Methods: Using multigroup structural equation modeling with questionnaire data from a sample of Spanish adolescent students (N = 800; M Age T1 = 14.02, M Age T2 = 15.00, SD = 1.21) in 2 waves (T1 = March 2015; T2 = December 2015)., Results: Results of multigroup structural equation modeling indicated no group differences between boys and girls in early adolescence (7th and 8th grade) and middle adolescence (9th and 10th grade), as stress function as mediator between emotional intelligence and life satisfaction for all groups. However, latent mean comparison indicated that girls not only perceive and understand emotions better than boys, but they also perceive higher amounts of stress at an older age., Conclusion: Results indicate the potential risk of perceived stress that might drop the protective effect of emotional intelligence on life satisfaction. These findings have implications for future research and educational practice considering combined prevention programs for adolescent's health and well-being., (© 2019, American School Health Association.)

Over the last decades, more and more adolescents and children feel chronically stressed, which negatively affects their school performance. However, less is known whether classmates' general stress affects an individual student's quality of motivation. Therefore, based on conservation of resources theory, this study examined the precise interplay between general stress and the quality of motivation for students in high- and low-tracking schools considering potential context effects. Results of multilevel multigroup structural equation models with questionnaire data from 1,088 German students identified differences in the relation between general stress and quality of motivation for students from different school forms on both the within and between level., (© 2018 John Wiley & Sons, Ltd.)

The social context plays a decisive role in the formation of the academic self-concept (ASC) and has been widely studied as the big-fish-little-pond-effect (BFLPE). This effect describes that comparable talented students in high-achieving school settings have a lower ASC compared to equally talented students attending low-achieving settings. Past research has focused on students' domain-specific ASC, while little is known about the relation of achievement-related classroom compositions and the various facets of ASC. Additionally, BFLPE-research has been critiqued to build its theoretical frame on social comparison theory, without providing sufficient empirical support. To address this gap, we analyzed how the single student's social, criterial, absolute, and individual ASC relate to class-level achievement of 8th graders. Applying Multilevel Structural Equation Modeling (MLSEM) we found that all facets of ASC were significantly related to average-class achievement, while student's social ASC revealed the strongest associated. The results reveal explicitly that average-class achievement is strongly related to social comparison processes.

Existing literature evidences the association between adolescents' school self-concept and engagement, both concepts being related to students' perception of teachers and peers as motivators. However, few longitudinal studies explore the interplay of these factors. The present study aims to close this gap, applying latent cross-lagged panel design to two-wave data from German adolescent students [1088 8th grade students at T1 ( M age = 13.7, SD = 0.53; 53.9% girls) and 845 9th grade students at T2 ( M age = 14.86; SD = 0.57; 55% girls) from the initial sample]. Besides direct effects, three cross-lagged over-time paths were found to be significant: students' perception of peers as positive motivators (PPMs) at the beginning of 8th grade (T1) positively predicts their behavioral school engagement at the end of 9th grade (T2), as well as emotional school engagement at the beginning of 8th grade positively predicts students' perception of PPMs 1.5 years later. Furthermore, behavioral school engagement at T1 functions as a predictor of a student's school self-concept at T2.

This two-wave longitudinal study examined how developmental changes in students' mastery goal orientation, academic effort, and intrinsic motivation were predicted by student-perceived support of motivational support (support for autonomy, competence, and relatedness) in secondary classrooms. The study extends previous knowledge that showed that support for motivational support in class is related to students' intrinsic motivation as it focused on the developmental changes of a set of different motivational variables and the relations of these changes to student-perceived motivational support in class. Thus, differential classroom effects on students' motivational development were investigated. A sample of 1088 German students was assessed in the beginning of the school year when students were in grade 8 ( Mean age = 13.70, SD = 0.53, 54% girls) and again at the end of the next school year when students were in grade 9. Results of latent change models showed a tendency toward decline in mastery goal orientation and a significant decrease in academic effort from grade 8 to 9. Intrinsic motivation did not decrease significantly across time. Student-perceived support of competence in class predicted the level and change in students' academic effort. The findings emphasized that it is beneficial to create classroom learning environments that enhance students' perceptions of competence in class when aiming to enhance students' academic effort in secondary school classrooms.

The formation of a coherent and unified self-concept represents a key developmental stage during adolescence. Imaging studies on self-referential processing in adolescents are rare, and it is not clear whether neural structures involved in self-reflection are also involved in reflections of familiar others. In the current study, 41 adolescents were asked to make judgments about trait adjectives during functional magnetic resonance imaging (fMRI): they had to indicate whether the word describes themselves, their friends, their teachers or politicians. Findings indicate a greater overlap in neural networks for responses to self- and friend-related judgments compared to teachers and politicians. In particular, classic self-reference structures such as the ventromedial prefrontal cortex and medial posterior parietal cortex also exhibited higher activation to judgments about friends. In contrast, brain responses towards judgments of teachers (familiar others) compared to politicians (unfamiliar others) did not significantly differ. Results support behavioral findings of a greater relevance of friends for the development of a self-concept during adolescence and indicate underlying functional brain processes. Hum Brain Mapp 38:987-996, 2017. © 2016 Wiley Periodicals, Inc., (© 2016 Wiley Periodicals, Inc.)

Adolescence is a critical maturation period for human cognitive control and executive function. In this study, a large sample of adolescents (n = 85) performed a reversal learning task during functional magnetic resonance imaging. We analyzed behavioral data using a reinforcement learning model to provide individually fitted parameters and imaging data with regard to reward prediction errors (PE). Following a model-based approach, we formed two groups depending on whether individuals tended to update expectations predominantly for the chosen stimulus or also for the unchosen one. These groups significantly differed in their problem behavior score obtained using the child behavior checklist (CBCL) and in a measure of their developmental stage. Imaging results showed that dorsolateral striatal areas covaried with PE. Participants who relied less on learning based on task structure showed less prefrontal activation compared with participants who relied more on task structure. An exploratory analysis revealed that PE-related activity was associated with pubertal development in prefrontal areas, insula and anterior cingulate. These findings support the hypothesis that the prefrontal cortex is implicated in mediating flexible goal-directed behavioral control., (© 2016 Federation of European Neuroscience Societies and John Wiley & Sons Ltd.)

The amygdala is essential for processing emotions, including the processing of aversive faces. The aim of this multimethodological study was to relate the amygdala reactivity of students (N = 88) toward teachers' fearful and angry faces, to students' relationship with their teachers. Furthermore, students' neural responses during the perception of teachers' faces were tested as predictors of test anxiety (controlling for neuroticism as a potential trait anxiety effect). Multiple regression analysis revealed that students reporting high-quality teacher-student relationships showed stronger amygdala activity toward fearful faces, which was related to worry. Furthermore, students with high levels of neuroticism tended to perceive their teachers as motivators and showed higher amygdala activity toward angry faces, which was related to the measures of emotionality., (© 2015 The Authors. Journal of Research on Adolescence © 2015 Society for Research on Adolescence.)

Parenting is an essential factor within a child's development, yet the impact of normative variations of parenting on neural emotion processing has not been studied to date. The present study investigated 83 healthy adolescents using functional magnetic resonance imaging and an emotional face-matching paradigm. The faces paradigm elicited an increased amygdala response towards negative facial expressions (fearful and angry each compared to neutral faces) and a significant activation of fusiform gyrus to all emotions separately (fearful, happy, angry faces) compared to neutral faces. Moreover, we investigated associations between neural responses towards emotional faces and mother's parenting behavior (maternal warmth and support, psychological pressure and control behavior). High maternal warmth and support correlated with lower activation to fearful faces in the amygdala. Maternal supportive rather than control behavior seems to have an impact on neural emotion processing, which could also be the key factor for brain functional abnormalities in maltreated children. These results expand existent findings in maltreated children to healthy populations., (Copyright © 2016 Elsevier B.V. All rights reserved.)

This multi-methodological study applied functional magnetic resonance imaging to investigate neural activation in a group of adolescent students (N = 88) during a probabilistic reinforcement learning task. We related patterns of emerging brain activity and individual learning rates to socio-motivational (in-)dependence manifested in four different motivation types (MTs): (1) peer-dependent MT, (2) teacher-dependent MT, (3) peer-and-teacher-dependent MT, (4) peer-and-teacher-independent MT. A multinomial regression analysis revealed that the individual learning rate predicts students' membership to the independent MT, or the peer-and-teacher-dependent MT. Additionally, the striatum, a brain region associated with behavioral adaptation and flexibility, showed increased learning-related activation in students with motivational independence. Moreover, the prefrontal cortex, which is involved in behavioral control, was more active in students of the peer-and-teacher-dependent MT. Overall, this study offers new insights into the interplay of motivation and learning with (1) a focus on inter-individual differences in the role of peers and teachers as source of students' individual motivation and (2) its potential neurobiological basis.

The current study concerns the validation of an English version of the German Test Anxiety Inventory, namely the PAF-E. This questionnaire is a multi-faceted measure of test anxiety designed to detect normative test anxiety levels and in consequence meet the need of consultancy. Construct and criterion validity of (PAF-E) were examined with a sample of 96 secondary students (Mage = 12.8, SD = 0.67; 55% girls) from an international school in Berlin (Germany) and 399 secondary students (Mage = 13.4, SD = 0.80; 56% girls) from Montréal (Canada). Both samples completed the PAF-E and related constructs, such as school-related self-efficacy, inhibitory test anxiety, achievement motivation, and the Big Five. Exploratory and confirmatory factor analyses confirmed the four-factor-structure (worry, emotionality, interfering thoughts, lack of confidence) of the original German Test Anxiety Inventory (PAF). Each subscale consists of five items with a total of 20 questions. Cronbach's alpha, ranging from.71 to.82 among Germans and.77 to.87 among Canadians as well as the re-test reliability (from.80 to.85 among Canadians) were sufficient. The differential patterns of correlations between other constructs and the indices of test anxiety indicate good construct validity.

This study examined gender-specific relationships between adolescents' perceptions of school-related support/pressure from their parents and test anxiety. A sample of German students (N = 845; Mage = 15.32; SD = .49) completed questionnaires that measured their perceived parental support/pressure (for mother and father separately) as well as the four main components of test anxiety (worry, interference, lack of confidence, and emotionality). Gender-specific relations were identified using multigroup structural equation modeling: For girls, perceived maternal pressure was positively associated with emotionality and interference; for boys, perceived father pressure and father support were positively associated with interference and worry, respectively. For both genders, perceived mother pressure and support were related to lack of confidence. Our findings suggest that adolescents' perceptions of maternal attitudes are associated with students' self-confidence irrespective of the child's gender, whereas the remaining facets of test anxiety follow same-sex trajectories between perceived parental attitudes and adolescents' test anxiety., (Copyright © 2015 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.)

The fronto-limbic network interaction, driven by glutamatergic and dopaminergic neurotransmission, represents a core mechanism of motivated behavior and personality traits. Reward seeking behavior undergoes tremendous changes in adolescence paralleled by neurobiological changes of this network including the prefrontal cortex, striatum and amygdala. Since fronto-limbic dysfunctions also underlie major psychiatric diseases beginning in adolescence, this investigation focuses on network characteristics separating adolescents from adults. To investigate differences in network interactions, the brain reward system activity (slot machine task) together with frontal glutamate concentration (anterior cingulate cortex, ACC) was measured in 28 adolescents and 26 adults employing functional magnetic resonance imaging and magnetic resonance spectroscopy, respectively. An inverse coupling of glutamate concentrations in the ACC and activation of the ventral striatum was observed in adolescents. Further, amygdala response in adolescents was negatively correlated with the personality trait impulsivity. For adults, no significant associations of network components or correlations with impulsivity were found. The inverse association between frontal glutamate concentration and striatal activation in adolescents is in line with the triadic model of motivated behavior stressing the important role of frontal top-down inhibition on limbic structures. Our data identified glutamate as the mediating neurotransmitter of this inhibitory process and demonstrates the relevance of glutamate on the reward system and related behavioral traits like impulsivity. This fronto-limbic coupling may represent a vulnerability factor for psychiatric disorders starting in adolescence but not in adulthood.

The current cross-national study investigates the potential buffering role of socio-motivational relationships for the association of achievement drive (AD) and test anxiety (TX) in secondary school students from Canada and Germany. One thousand and eighty-eight students (54% girls, M age = 13.71, SD = 0.53, age span 12-15 years) from the state of Brandenburg and 389 students from Quebéc (55.9% girls, M age = 13.43, SD = 0.82, age span 12-16 years) were asked about their socio-motivational relationships with their teachers and peers, their drive for achievement, and TX. Multigroup latent moderated structural equations were conducted to test for the moderator role of socio-motivational relationships that would buffer feelings of TX related to the drive for achievement. The analyses revealed the two-sided role socio-motivational relationships can have for students with different levels of AD; intensifying or mitigating feelings of TX. Thereby, the results of this study extend the buffering hypothesis by Cohen and Wills (1985). Cross-national differences between Canada and Germany were found concerning the studied moderators on the association of AD and TX: While for German students teacher-student relationships acted as moderator, for Canadian students student-student relationships and teachers acting as positive motivators displayed a moderator role.

The perception of control over the environment constitutes a fundamental biological adaptive mechanism, especially during development. Previous studies comparing an active choice condition with a passive no-choice condition showed that the neural basis of this mechanism is associated with increased activity within the striatum and the prefrontal cortex. In the current study, we aimed to investigate whether subjective belief of control in an uncertain gambling situation induces elevated activation in a cortico-striatal network. We investigated 79 adolescents (age range: 13-16years) during reward anticipation with a slot machine task using functional magnetic resonance imaging. We assessed post-experimentally whether the participants experienced a subjective illusion of control on winning or losing in this task that was objectively not given. Nineteen adolescents experienced an illusion of control during slot machine gambling. This illusion of control group showed an increased neural activity during reward anticipation within a cortico-striatal network including ventral striatum (VS) as well as right inferior frontal gyrus (rIFG) relative to the group reporting no illusion of control. The rIFG activity was inversely associated with impulsivity in the no illusion of control group. The subjective belief about control led to an elevated ventral striatal activity, which is known to be involved in the processing of reward. This finding strengthens the notion that subjectively perceived control, not necessarily the objective presence of control, affects striatal reward-related processing., (Copyright © 2015 Elsevier Inc. All rights reserved.)

Research on students' motivation has shown that motivation can be enhanced or undermined by social factors. However, when interpreting such findings, interindividual differences, and intraindividual changes underlying students' perception of peers and teachers as a source of motivation are often neglected. The aim of the present study was to complement our understanding of socio-motivational dependency by investigating differences in the development of students' socio-motivational dependency from early to middle adolescence. Data from 1088 students on their perceptions of peers and teachers as positive motivators when students were in seventh and eighth grade were compared with data of the same sample 2 years later. Latent class analysis supported four different motivation types (MT): (1) teacher-dependent MT, (2) peer-dependent MT, (3) teacher-and-peer-dependent MT, and (4) teacher-and-peer-independent MT. Latent transition analysis revealed substantial changes between the groups. The perceived teacher influence on students' academic motivation increased from early to middle adolescence. Divergent roles of peers and teachers on students' academic motivation are discussed.

Processing of reward is the basis of adaptive behavior of the human being. Neural correlates of reward processing seem to be influenced by developmental changes from adolescence to late adulthood. The aim of this study is to uncover these neural correlates during a slot machine gambling task across the lifespan. Therefore, we used functional magnetic resonance imaging to investigate 102 volunteers in three different age groups: 34 adolescents, 34 younger adults, and 34 older adults. We focused on the core reward areas ventral striatum (VS) and ventromedial prefrontal cortex (VMPFC), the valence processing associated areas, anterior cingulate cortex (ACC) and insula, as well as information integration associated areas, dorsolateral prefrontal cortex (DLPFC), and inferior parietal lobule (IPL). Results showed that VS and VMPFC were characterized by a hyperactivation in adolescents compared with younger adults. Furthermore, the ACC and insula were characterized by a U-shape pattern (hypoactivation in younger adults compared with adolescents and older adults), whereas the DLPFC and IPL were characterized by a J-shaped form (hyperactivation in older adults compared with younger groups). Furthermore, a functional connectivity analysis revealed an elevated negative functional coupling between the inhibition-related area rIFG and VS in younger adults compared with adolescents. Results indicate that lifespan-related changes during reward anticipation are characterized by different trajectories in different reward network modules and support the hypothesis of an imbalance in maturation of striatal and prefrontal cortex in adolescents. Furthermore, these results suggest compensatory age-specific effects in fronto-parietal regions., (Copyright © 2014 Wiley Periodicals, Inc.)