Document Detail


Auditory recognition memory in 2-month-old infants as assessed by event-related potentials.
MedLine Citation:
PMID:  22799760     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Previous studies of auditory recognition memory in sleeping newborns reported 2 event-related potential (ERP) components, P2 and negative slow wave (NSW), reflecting voice discrimination and detection of novelty, respectively. In the present study, using high-density recording arrays, ERPs were acquired from 26 2-month-old awake infants as they were presented with a familiar and unfamiliar voice (i.e., mother and stranger) with equal probability. In addition to P2 and NSW, we observed a positive slow wave (PSW) over the right temporo-parietal scalp, indicating memory updating. Our study suggests that infants appear to have the capacity to encode novel stimuli as early as 2 months of age.
Authors:
Xiaoqin Mai; Lin Xu; Mingyan Li; Jie Shao; Zhengyan Zhao; Raye-Ann deRegnier; Charles A Nelson; Betsy Lozoff
Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental neuropsychology     Volume:  37     ISSN:  1532-6942     ISO Abbreviation:  Dev Neuropsychol     Publication Date:  2012  
Date Detail:
Created Date:  2012-07-17     Completed Date:  2012-12-10     Revised Date:  2013-07-12    
Medline Journal Info:
Nlm Unique ID:  8702038     Medline TA:  Dev Neuropsychol     Country:  England    
Other Details:
Languages:  eng     Pagination:  400-14     Citation Subset:  IM    
Affiliation:
Center for Human Growth and Development, University of Michigan, Ann Arbor, Michigan, USA.
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MeSH Terms
Descriptor/Qualifier:
Acoustic Stimulation
Attention / physiology
Auditory Perception / physiology*
Brain Mapping
Cerebral Cortex / physiology*
Electroencephalography
Evoked Potentials / physiology*
Female
Humans
Infant
Male
Recognition (Psychology) / physiology*
Grant Support
ID/Acronym/Agency:
P01 HD039386/HD/NICHD NIH HHS; P01 HD039386/HD/NICHD NIH HHS; R01 NS034458/NS/NINDS NIH HHS; R01NS034458/NS/NINDS NIH HHS
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