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Conservation and executive function (EF) are important early childhood skills; however, knowledge about their relationship is scarce. Hence, in this study, this relationship is investigated, and a comparison is conducted between the Piagetian conservation and EF tasks to obtain the total hemoglobin (mMmm) for the left and right brain activity in the prefrontal cortex of children, using a functional near-infrared spectroscopy. As a case study, a survey was conducted in the home of a four-year-old child (boy) in Japan in 2020. His home was selected as the primary place of investigation owing to the spread of the coronavirus disease 2019 infection. The researcher was an expert in pedagogy and psychology. The following hypothesis could be formulated from the case studies analyzed herein: From the viewpoint of the brain activity in the prefrontal cortex, there may be a link between the conservation of quantity and EF. The preservation of quantity is closely related to mathematics education. This hypothesis can thus expand the scope of research and practice in the fields of psychology, education, and mathematics education. Furthermore, the results may help psychologists, psychiatrists, teachers, parents, and others involved in the development of children sublate the value of their concept of conservation and improve their support methods.

Aim: To examine the relationship between cognitive function and unsafe driving acts among community‐dwelling older adults with cognitive impairments. Methods: Participants (n = 160) were older residents of Obu, Japan, aged ≥65 years with cognitive impairments. They regularly drove and were assessed for the number of unsafe driving acts without adequate verification during an on‐road test. We also evaluated cognitive function (attention, executive function and processing speed). Other examined variables included demographics, driving characteristics and visual condition. Results: Participants were classified into two groups according to the number of unsafe driving acts as follows: high group (≥4 unsafe driving acts) and low group (≤3 unsafe driving acts). The high group participants were older in age (P < 0.001) and obtained a lower score on the symbol digit substitution task (P = 0.002) than the low group. The number of unsafe driving acts showed modest significant positive correlations with age (r = 0.396, P < 0.001). The symbol digit substitution task score was significantly associated with the number of unsafe driving acts (β = −0.196, P < 0.05) after adjusting for age group. Conclusions: Processing speed was associated with unsafe driving acts that became worse with increasing age. Future study will be required to longitudinally examine the influence of processing speed on traffic accidents for those with cognitive impairments. Geriatr Gerontol Int 2018; 18: 847–852 [ABSTRACT FROM AUTHOR]

"δ", a latent variable constructed from cognitive performance and functional status measures, can accurately diagnose dementia. The minimal assessment needed is unknown. We have constructed a δ homolog, "dTEXAS", from Telephone Executive Assessment Scale (TEXAS) items, and validated it in a convenience sample of Japanese persons (n = 176). dTEXAS scores correlated strongly with both Instrumental Activities of Daily Living (IADL) (r = -0.86, p <  0.001) and Clinical Dementia Rating Scale (CDR) (r = 0.71, p <  0.001). Constructed independently of their diagnoses, dTEXAS scores accurately distinguished dementia versus controls (area under the receiver operating curve [(AUC; ROC) = 0.92], dementia versus mild cognitive impairment (MCI) (AUC = 0.80) and controls versus MCI (AUC = 0.74). These AUCs are higher than those of multiple observed executive measures, as reported recently by Matsuoka et al., 2014. A dTEXAS score of -0.58 best discriminated between dementia versus controls with 90.1% sensitivity and 80.0% specificity. [ABSTRACT FROM AUTHOR]

Objective: Homelessness has frequently been associated with neuropsychological impairment. This has been observed using general screening tests for dementia as well as tests of more focal abilities, particularly executive function. Most studies have been of homeless individuals from North America with none reported from Japan. Methods: In this exploratory study we interviewed a sample of 16 homeless adults from Tokyo, Japan, and performed tests of cognitive function, assessed head injury, addictive behaviours (drug use, gambling, alcohol abuse), and recorded details of homelessness history. The cognitive examination involved the Japanese Adult Reading Test to estimate premorbid intelligence quotient, the Wisconsin Card Sorting Test to measure frontal lobe-related cognitive function, and the Mini-Mental State Examination to measure global cognitive impairment associated with dementia. Results: Among the 16 homeless individuals, 7 (44%) displayed global cognitive impairment. In addition, executive function tended to be poor. In contrast, estimated premorbid intelligence quotient was within the normal range. Substance abuse in general was not at a level to cause clinical concern, although a high level of pathological gambling was observed. There were no associations between cognitive function and clinical and addictive behaviour variables, although associations were noted between cognitive scores and time spent homeless. Conclusion: The results suggest high levels of neuropsychological impairment in this sample of homeless adults in Japan. Furthermore, cognitive impairment is acquired rather than developmental in origin, and is proportional to the length of time spent homeless. [ABSTRACT FROM AUTHOR]

In this study, we assessed the factor structure and construct validity of the parent-reported Inventory of Callous-Unemotional Traits (ICU) among school-aged children and adolescents, aged 6 to 15 years, in a community setting in Japan (n = 10,936). We investigated 15 models that have been reported in previous studies and used confirmatory factor analyses to determine a model that might actually be the best-fit among these. We then examined the correlations between the score of ICU and the Strengths and Difficulties Questionnaire (SDQ) in the best fit model and the three-factor bifactor (3FBF) model with the original ICU through cross-sectional and longitudinal analysis to determine the concurrent and predictive validity of the ICU. The results showed that the best-fit model was the two-factor bifactor (2FBF) model with a revised version of the ICU with 12 items, excluding all but one item of unemotional factors. The cross-sectional and longitudinal analysis showed that higher general callous-unemotional factor scores, callousness and uncaring specific factor scores were significantly associated with a higher level of conduct problems and a lower level of prosocial behaviors in the SDQ. These tendencies were shown both in the 2FBF model with the revised version of the ICU and the 3FBF model with the original ICU. We conclude that the 2FBF model was useful for school-aged community samples, as it predicts increases in conduct problems and decreases in prosocial behavior with fewer items than the 3FBF model. [ABSTRACT FROM AUTHOR]

The term "therapeutic recreation (TR)" was introduced in Japan in 1980. Since then, there have only been a few significant practices in social welfare as well as in rehabilitation settings. Previous research suggested adjusting TR approaches to make TR programs suitable for long-term care facilities, including culturally appropriate recreational activities. The number of Japanese Certified Therapeutic Recreation Specialists (CTRSs) has increased, and there is a TR Study Group that meets regularly to share research, curriculum, and accreditation matters related to fukushi recreation and TR. This article describes the Leisure Education Program (LEP) in Japan, which has been conducted since 1996, focusing on how the program has evolved to address participants' needs. There have been various fukushi recreation programs in the past that emphasized either "Functional Improvement" or "Recreation Participation" using the Leisure Ability Model (LAM). LEP is a useful recreation program that forms a link between "Functional Improvement" and "Recreation Participation." This article suggests that a TR service model--the Self-Determination and Enjoyment Enhancement Model--can be more effective in meeting the needs of individuals with higher brain dysfunction. [ABSTRACT FROM AUTHOR]

The individualized occupational therapy (IOT) program is a psychosocial program that we developed to facilitate proactive participation in treatment and improve cognitive functioning and other outcomes for inpatients with acute schizophrenia. The program consists of motivational interviewing, self-monitoring, individualized visits, handicraft activities, individualized psychoeducation, and discharge planning. This multicenter, open-labeled, blinded-endpoint, randomized controlled trial evaluated the impact of adding IOT to a group OT (GOT) program as usual for outcomes in recently hospitalized patients with schizophrenia in Japanese psychiatric hospitals setting compared with GOT alone. Patients with schizophrenia were randomly assigned to the GOT+IOT group or the GOT alone group. Among 136 randomized patients, 129 were included in the intent-to-treat population: 66 in the GOT+IOT and 63 in the GOT alone groups. Outcomes were administered at baseline and discharge or 3 months following hospitalization including the Brief Assessment of Cognition in Schizophrenia Japanese version (BACS-J), the Schizophrenia Cognition Rating Scale Japanese version, the Social Functioning Scale Japanese version, the Global Assessment of Functioning scale, the Intrinsic Motivation Inventory Japanese version (IMI-J), the Morisky Medication Adherence Scale-8 (MMAS-8), the Positive and Negative Syndrome Scale (PANSS), and the Japanese version of Client Satisfaction Questionnaire-8 (CSQ-8J). Results of linear mixed effects models indicated that the IOT+GOT showed significant improvements in verbal memory (p <0.01), working memory (p = 0.02), verbal fluency (p < 0.01), attention (p < 0.01), and composite score (p < 0.01) on the BACS-J; interest/enjoyment (p < 0.01), value/usefulness (p < 0.01), perceived choice (p < 0.01), and IMI-J total (p < 0.01) on the IMI-J; MMAS-8 score (p < 0.01) compared with the GOT alone. Patients in the GOT+IOT demonstrated significant improvements on the CSQ-8J compared with the GOT alone (p < 0.01). The present findings provide support for the feasibility in implementing an IOT program and its effectiveness for improving cognitive impairment and other outcomes in patients with schizophrenia. [ABSTRACT FROM AUTHOR]

Background: Although many studies have suggested social participation (SP) has beneficial effects on elderly people's health, most of them failed to deal with paid work. Additionally, few studies have focused on the age effect between SP and older people's health. To investigate whether the association between SP, including paid work, and instrumental activities of daily living (IADL), exhibits not only in gender, but also in age among community-dwelling older adults.Methods: In 2014, we distributed self-administered questionnaires to all community-dwelling elderly aged ≥65 in two medium-sized cities in Nara Prefecture, Japan (n = 32,825). 22,845 residents submitted the questionnaire (response rate, 69.6%). Analyzed subjects were limited to 17,680 persons who had neither dependency in basic ADL nor missing data for required items. SP was assessed based on participation frequency in seven types of social activities: volunteer groups, sports groups, hobby groups, cultural groups, senior citizens' clubs, neighborhood community associations, and paid work. Using Poisson regression models, prevalence ratio for poor IADL was calculated. To examine age and gender differences in the association between SP and IADL, we performed stratified analyses by age and gender group; male young-old (aged 65-74), male old-old (aged ≥75), female young-old, and female old-old.Results: Prevalence of those with poor IADL was 17.1% in males and 4.5% in females, showing a significant gender difference. After adjustment for relevant covariates, volunteer groups were inversely associated with poor IADL only in males and the relationship was stronger in the old-old group than in the young-old group. Conversely, only females had a significant inverse association between paid work and poor IADL, and the association was not reliant on their ages but only those who participated infrequently had a favorable effect. Influence of age in the beneficial association between SP and IADL was generally larger in the old-old group than in the young-old group, but hobby groups were inversely associated with poor IADL, regardless of age, gender, and frequency.Conclusions: Our results suggest that SP in older age is positively associated with IADL, however, the association seems to differ depending on the type of activities participated in, the participants' gender, and their age. [ABSTRACT FROM AUTHOR]

Objective: To investigate the quality-of-life (QoL) and social participation of patients with traumatic brain injury (TBI) living in the community in Japan. Methods: A mixed-methods study of 29 post-TBI patients and 12 family members was conducted. Objective scales were used to evaluate QoL (Short Form Health Survey SF-36), depression (Zung Self-rating Depression Scale) and psychosocial function (Sydney Psychosocial Reintegration Scale, 2ndedition). Subjective views of changes in social functioning, participation and suitability of family support were obtained by a semi-structured interview. Participants were classified into ‘change’ and ‘no-change’ groups for social participation and between-group comparisons of QoL and determinant factors of QoL were evaluated. Results: The SF-36 social role component was significantly associated with the suitability of family support, followed by their understanding. However, QoL was not significantly associated with changes in social participation. Social participation was particularly influenced by the absence of rehabilitation support for low-skill labourers and housewives, whether they lost their employment or not. Conclusions: Advances in rehabilitation services are required, particularly to meet the specific needs of housewives and low-skill labourers. Families should receive sufficient education and short- and long-term strategies for providing suitable support to patients and their families should be implemented. [ABSTRACT FROM PUBLISHER]

Children do not know everything that adults know, nor do adults know everything that children know. The present research examined the universality of beliefs about child and adult knowledge and their development with 4- and 7-year-old Canadian and Japanese children (N = 96). In both countries, all children were able to identify adult-specific knowledge and only older children displayed beliefs about child-specific knowledge. However, Japanese and Canadian children differed in whether they used their own knowledge in deciding whether a person who knew an item was a child or an adult. In addition, parental and child beliefs were related in Japan but not in Canada. These findings indicate that children growing up in different cultures may take different paths in developing beliefs about age-related knowledge. Implications for theories of socio-cognitive development and learning are discussed. [ABSTRACT FROM AUTHOR]

Purpose: We sought to investigate the association between social capital and child behavior problems in Iwate prefecture, Japan, in the aftermath of the 2011 Great East Japan Earthquake.Methods: Children and their caregivers were recruited from four nursery schools in coastal areas affected by the tsunami, as well as one in an unaffected inland area (N = 94). We assessed the following via caregiver questionnaire: perceptions of social capital in the community, child behavior problems (Child Behavior Checklist, Strength and Difficulty Questionnaire), post-traumatic stress disorder (PTSD) symptoms, child's exposure to trauma (e.g. loss of family members), and caregiver's mental health (Impact of Event Scale-R for PTSD symptoms; K6 for general mental health). We collected details on trauma exposure by interviewing child participants. Structural equation modeling was used to assess whether the association between social capital and child behavior problems was mediated by caregiver's mental health status.Results: Children of caregivers who perceived higher community social capital (trust and mutual aid) showed fewer PTSD symptoms. Furthermore, caregiver's mental health mediated the association between social trust and child PTSD symptoms. Social capital had no direct impact on child behavior problems.Conclusions: Community social capital was indirectly associated (via caregiver mental health status) with child behavior problems following exposure to disaster. Community development to boost social capital among caregivers may help to prevent child behavior problems. [ABSTRACT FROM AUTHOR]

The relationship between depressive rumination and dimensions of social problem solving were investigated in a Japanese, nonclinical population. University students (N = 227) completed the Beck Depression Inventory—Second Edition, Ruminative Responses Scale, Means-Ends Problem-Solving (MEPS) test, and Social Problem-Solving Inventory—Revised Short Version (SPSI-R:S). Results indicated that after controlling for depression, trait rumination, especially its brooding subcomponent, was positively correlated with negative problem orientation and avoidance style. Unexpectedly, trait rumination was weakly but positively associated with an effective problem-solving style, as assessed by the SPSI-R:S and MEPS. These findings suggest that one pathway through which rumination leads to depression in nonclinical populations could be through increasing negative problem orientation and avoidance problem-solving style. Results also suggested that reflection, compared to brooding, was positively associated with positive problem orientation and more strongly associated with rationale problem-solving style. These findings suggest that reflection leads to active problem solving. [ABSTRACT FROM AUTHOR]

Background: On March 11, 2011, a massive undersea earthquake and tsunami struck East Japan. Few studies have investigated the impact of exposure to a natural disaster on preschool children. We investigated the association of trauma experiences during the Great East Japan Earthquake on clinically significant behavior problems among preschool children 2 years after the earthquake. Method: Participants were children who were exposed to the 2011 disaster at preschool age (affected area, n = 178; unaffected area, n = 82). Data were collected from September 2012 to June 2013 (around 2 years after the earthquake), thus participants were aged 5 to 8 years when assessed. Severe trauma exposures related to the earthquake (e.g., loss of family members) were assessed by interview, and trauma events in the physical environment related to the earthquake (e.g. housing damage), and other trauma exposure before the earthquake, were assessed by questionnaire. Behavior problems were assessed by caregivers using the Child Behavior Checklist (CBCL), which encompasses internalizing, externalizing, and total problems. Children who exceeded clinical cut-off of the CBCL were defined as having clinically significant behavior problems. Results: Rates of internalizing, externalizing, and total problems in the affected area were 27.7%, 21.2%, and 25.9%, respectively. The rate ratio suggests that children who lost distant relatives or friends were 2.36 times more likely to have internalizing behavior problems (47.6% vs. 20.2%, 95% CI: 1.10–5.07). Other trauma experiences before the earthquake also showed significant positive association with internalizing, externalizing, and total behavior problems, which were not observed in the unaffected area. Conclusions: One in four children still had behavior problems even 2 years after the Great East Japan Earthquake. Children who had other trauma experiences before the earthquake were more likely to have behavior problems. These data will be useful for developing future interventions in child mental health after a natural disaster. [ABSTRACT FROM AUTHOR]