| The shared signal hypothesis and neural responses to expressions and gaze in infants and adults. | |
| | |
MedLine Citation:
|
PMID: 19858107 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Event-related potentials were recorded from adults and 4-month-old infants while they watched pictures of faces that varied in emotional expression (happy and fearful) and in gaze direction (direct or averted). Results indicate that emotional expression is temporally independent of gaze direction processing at early stages of processing, and only become integrated at later latencies. Facial expressions affected the face-sensitive ERP components in both adults (N170) and infants (N290 and P400), while gaze direction and the interaction between facial expression and gaze affected the posterior channels in adults and the frontocentral channels in infants. Specifically, in adults, this interaction reflected a greater responsiveness to fearful expressions with averted gaze (avoidance-oriented emotion), and to happy faces with direct gaze (approach-oriented emotions). In infants, a larger activation to a happy expression at the frontocentral negative component (Nc) was found, and planned comparisons showed that it was due to the direct gaze condition. Taken together, these results support the shared signal hypothesis in adults, but only to a lesser extent in infants, suggesting that experience could play an important role. |
| | |
Authors:
|
Silvia Rigato; Teresa Farroni; Mark H Johnson |
Related Documents
:
|
12952397 - Early success in using the relation between stimuli and rewards to deduce an abstract r... 7782177 - Word-initial voicing in the productions of stops in normal and preterm italian infants. 20434777 - Infant preference for individual women's faces extends to girl prototype faces. 18532417 - Is auditory intensity discrimination a comparison of entropy changes. 19725597 - Antivirals for cytomegalovirus infection in neonates and infants: focus on pharmacokine... 12019057 - Associations of pacifier use, digit sucking, and child care attendance with cessation o... |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-10-25 |
Journal Detail:
|
Title: Social cognitive and affective neuroscience Volume: 5 ISSN: 1749-5024 ISO Abbreviation: Soc Cogn Affect Neurosci Publication Date: 2010 Mar |
Date Detail:
|
Created Date: 2010-03-18 Completed Date: 2010-06-28 Revised Date: 2010-09-27 |
Medline Journal Info:
|
Nlm Unique ID: 101288795 Medline TA: Soc Cogn Affect Neurosci Country: England |
Other Details:
|
Languages: eng Pagination: 88-97 Citation Subset: IM |
Affiliation:
|
Centre for Brain and Cognitive Development, School of Psychology, Birkbeck College, University of London, London, UK. s.rigato@bbk.ac.uk |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adolescent Adult Analysis of Variance Brain Mapping Cerebral Cortex / physiology* Emotions / physiology* Evoked Potentials / physiology* Facial Expression Female Humans Infant Male Nerve Net / physiology* Reaction Time / physiology Signal Processing, Computer-Assisted Visual Perception / physiology |
| Grant Support | |
ID/Acronym/Agency:
|
073985/Z/03/Z//Wellcome Trust; G0701484//Medical Research Council |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Modelling relative survival in the presence of incomplete data: a tutorial.
Next Document: Serotonin transporter genotype modulates amygdala activity during mood regulation.