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5. Signatures of functional visuospatial asymmetries in early infancy

Author

Nava, E, de Hevia, M, Bulf, H, Macchi Cassia, V, de Hevia, MD, Nava, E, de Hevia, M, Bulf, H, Macchi Cassia, V, and de Hevia, MD

Abstract

Adults present a large number of asymmetries in visuospatial behavior that are known to be supported by functional brain lateralization. Although there is evidence of lateralization for motor behavior and language processing in infancy, no study has explored visuospatial attention biases in the early stages of development. In this study, we tested for the presence of a leftward visuospatial bias (i.e., pseudoneglect) in 4- and 5-month-old infants using an adapted version of the line bisection task. Infants were trained to identify the center of a horizontal line (Experiment 1) while their eye gazes were monitored using a remote eyetracking procedure to measure their potential gazing error. Infants exhibited a robust pseudoneglect, gazing leftward with respect to the veridical midpoint of the horizontal line. To investigate whether infants’ pseudoneglect generalizes to any given object or is dependent on the horizontal dimension, in Experiment 2 we assessed infants’ gaze deployment in vertically oriented lines. No leftward bias was found, suggesting that early visuospatial attention biases in infancy are constrained by the orientation of the visual plane in which the information is organized. The interplay between biological and cultural factors that might contribute to the early establishment of the observed leftward bias in the allocation of visuospatial attention is discussed.

Published
2022

6. POSB240 The Effects of COVID-19 Infection on Medication Adherence with Chronic Therapies in Italy: The Fail-to-Refill Project

Author

Degli, Esposti L, primary, Ghigi, A, additional, Ancona, DD, additional, Andretta, M, additional, Barbieri, A, additional, Bartolini, F, additional, Cavaliere, A, additional, Ciaccia, A, additional, Dell'Orco, S, additional, Di, Manno G, additional, Grego, S, additional, Latini, M, additional, Luboz, J, additional, Nava, E, additional, Paciello, A, additional, Pagliaro, R, additional, Penna, A, additional, Salzano, S, additional, Tonello, I, additional, Ubertazzo, L, additional, Vercellone, A, additional, and Perrone, V, additional

Published
2022
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36. Embriopatía asociada a la isotretinoína

Author

Tejerizo-López, L.C., primary, Tejerizo-García, A., additional, García-Robles, R.M., additional, Sánchez Sánchez, M.M., additional, Leiva, A., additional, Morán, E., additional, Corredera, F., additional, Pérez-Escanilla, J.A., additional, Benaventea, J.M., additional, and Nava, E., additional

Published
2003
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41. Advanced glycosilation end products (AGEs) in serum, skin, urine and saliva and its correlation with complications of patients with type 2 diabetes mellitus

Author

Regalado G.J Carlos, Castro R Armando, S.Ma.Eugenia Garay, Wröbel Z Kazimierz, Malacara H.J Manuel, and Nava E Laura

Subjects
medicine.medical_specialty, Saliva, business.industry, Endocrinology, Diabetes and Metabolism, Type 2 Diabetes Mellitus, General Medicine, Urine, medicine.disease, Gastroenterology, Endocrinology, Internal medicine, Diabetes mellitus, Internal Medicine, medicine, business
Published
2000
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46. The spatial representation of numbers and time follow distinct developmental trajectories: A study in 6- and 10-year-old children

Author

Hermann Bulf, Luca Rinaldi, Elena Nava, Viola Macchi Cassia, Nava, E, Rinaldi, L, Bulf, H, and Macchi Cassia, V

Subjects
Proprioception, 05 social sciences, Experimental and Cognitive Psychology, Visual feedback, Space (commercial competition), Frame of reference, 050105 experimental psychology, Task (project management), 03 medical and health sciences, 0302 clinical medicine, Mental number line, Mental time line, Development, Vision, Posture, Developmental and Educational Psychology, 0501 psychology and cognitive sciences, Spatial representation, Mental number line, Psychology, 030217 neurology & neurosurgery, Cognitive psychology
Abstract

Space-number and space-time associations have been a timely topic in the cognitive sciences for years, but evidence from developmental populations is still scarce. In particular, it remains to be established whether space-number and space-time mappings are anchored onto the same spatial frame of reference across development. To explore this issue, we manipulated visual and proprioceptive feedback in a Number Comparison task (Experiment 1) and a Time Comparison task (Expriment 2), in which 6- and 10-year-old children had to classify numerical and temporal words by means of a lateralised response with or without a blindfold (visual manipulation), and with hands uncrossed or crossed over the body midline (proprioceptive manipulation). Results revealed that 10-year-old children were more efficient in associating smaller numbers and past events with the left key, and larger numbers and future events with the right key, irrespective of the visual and proprioceptive manipulations. On the contrary, younger children did so only in the Time Comparison task, but not in the Number Comparison task. In the latter task, 6-year-olds associated small/large numbers with the left/right side of space only in the presence of visual feedback, but not when blindfolded. Taken together, our findings unveil that in school-aged children the spatial representation of number and time develop on different spatial frames of reference: while space-time associations exclusively rely on external coordinates at age 6, space-number associations shift from mixed internal and external coordinates at age 6 to more adult-like external coordinates by age 10.

Published
2018
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47. Visual and proprioceptive feedback differently modulate the spatial representation of number and time in children

Author

NAVA, ELENA HAE KYUNG, Rinaldi, L, RINALDI, LUCA, BULF, HERMANN SERGIO, MACCHI CASSIA, VIOLA MARINA, Nava, E, Rinaldi, L, Bulf, H, and MACCHI CASSIA, V

Subjects
Male, Experimental and Cognitive Psychology, Space (commercial competition), Affect (psychology), Visual control, Frame of reference, 050105 experimental psychology, Task (project management), 03 medical and health sciences, 0302 clinical medicine, Feedback, Sensory, M-PSI/04 - PSICOLOGIA DELLO SVILUPPO E PSICOLOGIA DELL'EDUCAZIONE, Developmental and Educational Psychology, Humans, 0501 psychology and cognitive sciences, Spatial representation, Child, Communication, Proprioception, business.industry, 05 social sciences, Mathematical Concepts, Hand, number, time, spatial representations, children, visual feedback, proprioceptive feedback, crossed hands, posture, Number-space mapping, time-space mapping, frames of reference, Time Perception, Facilitation, Female, M-PSI/01 - PSICOLOGIA GENERALE, Psychology, business, Psychomotor Performance, 030217 neurology & neurosurgery, Cognitive psychology
Abstract

There has been compelling evidence favoring the idea that human adults similarly represent number and time along a horizontal mental number line (MNL) and mental time line (MTL), respectively. Yet, analogies drawn between the MNL and MTL have been challenged by recent studies suggesting that adults' representations of number and time arise from different spatial frames of reference; whereas the MNL relies on both hand-centered and object-centered coordinates, the MTL appears to be exclusively anchored on object-centered coordinates. To directly test this possibility, here we explored the extent to which visual feedback and proprioceptive feedback affect children's performance in a Number Comparison task (Experiment 1) and a Time Comparison task (Experiment 2), in which participants needed to associate a lateralized key with numerical and temporal words, respectively. Children (5- and 6-year-olds) performed the task with their hands either uncrossed or crossed over the body midline (i.e., manipulation of proprioceptive feedback) and with either visual control over their hands allowed or precluded under blindfolds (i.e., manipulation of visual feedback). Results showed that children were facilitated in associating smaller/larger numbers with the left/right side of the external space, but only when hands were uncrossed and visual feedback was available. On the contrary, blindfolding and crossing their hands over the midline did not affect spatial time mapping, with 6-year-olds showing facilitation in associating words referring to the past/future with the left/right side of the external space irrespective of visual and proprioceptive feedback. This same effect was also present in 5-year-olds despite their difficulty in performing the Time Comparison task. Together, these findings show, for the first time, that-just like adults-young children (a) map temporal events onto space in a rightward direction as they do for numbers and (b) anchor their spatial representation of time and numbers to different spatial frames of reference.

Published
2017
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48. Intersensory redundancy promotes visual rhythm discrimination in visually impaired infants

Author

Rosario Montirosso, Elena Nava, Chiara Turati, Renato Borgatti, Anna Cavallini, Viola Brenna, Brenna, V, Nava, E, Turati, C, Montirosso, R, Cavallini, A, and Borgatti, R

Subjects
Male, medicine.medical_specialty, genetic structures, Visually impaired, development, visual impairment, intersensory redundancy, Visual impairment, Population, Vision Disorders, Visual Acuity, Visual modality, Audiology, Child Development, Discrimination, Psychological, Rhythm, Developmental and Educational Psychology, medicine, Redundancy (engineering), Humans, Attention, education, Communication, education.field_of_study, Audiovisual Aids, business.industry, Amodal perception, Infant, Acoustic Stimulation, Visual rhythm, Auditory Perception, Visual Perception, Female, medicine.symptom, business, Psychology, Photic Stimulation
Abstract

Infants' attention is captured by the redundancy of amodal stimulation in multimodal objects and events. Evidence from this study demonstrates that intersensory redundancy can facilitate discrimination of rhythm changes presented in the visual modality alone in visually impaired infants, suggesting that multisensory rehabilitation strategies could prove helpful in this population.

Published
2015
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49. Spatial hearing with a single cochlear implant in late-implanted adults

Author

Francesca Bonfioli, Millo Achille Beltrame, Davide Bottari, Francesco Pavani, Elena Nava, Nava, E, Bottari, D, Bonfioli, F, Beltrame, M, and Pavani, F

Subjects
Adult, Male, medicine.medical_specialty, Time Factors, Adolescent, Hearing loss, medicine.medical_treatment, Population, Deafness, Monaural, Audiology, Young Adult, Auditory plasticity, Cochlear implant, otorhinolaryngologic diseases, Humans, Speech, Medicine, Sound Localization, education, cochlear implants, plasticity, localisation, education.field_of_study, business.industry, Single implant, Middle Aged, Sensory Systems, Cochlear Implants, Rapid acquisition, Acoustic Stimulation, Female, Implant, medicine.symptom, business
Abstract

We assessed sound localisation abilities of late-implanted adults fitted with a single cochlear implant (CI) and examined whether these abilities are affected by the duration of implant use. Ten prelingually and four postlingually deafened adults who received a unilateral CI were tested in a sound-source identification task. Above chance performance was observed in those prelingual CI recipients who had worn their implant for longer time (9 years on average), revealing some monaural sound localisation abilities in this population but only after extensive CI use. On the contrary, the four postlingual recipients performed equal or better with respect to the best prelingual participants despite shorter experience with the monaural implant (11 months on average). Our findings reveal that some sound localisation ability can emerge in prelingually deafened adults fitted with a single implant, at least in a controlled laboratory setting. This ability, however, appears to emerge only after several years of CI use. Furthermore, the results of four postlingually deafened adults suggest that early experience with auditory cues may result in more rapid acquisition of spatial hearing with a single CI. © 2009 Elsevier B.V. All rights reserved.

Published
2009
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