The use of electrophysiology in the study of early development

Electrophysiology is a timely and important tool in the study of early cognitive development. This commentary polishes the definition of event‐related potential (ERP) components; often interpreted as expressions of mental processes. Further, attention is drawn to time‐frequency analysis of the elect...

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Bibliographic Details
Published in:Infant and child development 2005-03, Vol.14 (1), p.99-102
Main Author: Szucs, Denes
Format: Article
Language:English
Subjects:
Brain
Cognitive Development
Cognitive Measurement
Cognitive Processes
Electroencephalography
Electrophysiology
Event related brain potentials
Infants
Medicine
Physiology
Research Methodology
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Summary:Electrophysiology is a timely and important tool in the study of early cognitive development. This commentary polishes the definition of event‐related potential (ERP) components; often interpreted as expressions of mental processes. Further, attention is drawn to time‐frequency analysis of the electroencephalogram (EEG) which conveys much more information than the exclusive use of traditional ERP methodology. Several studies have shown that frequency bands of the EEG undergo systematic development in early childhood. EEG frequency analysis has a potential in early risk assessment. 40 Hz gamma range oscillation bursts accompany stimulus feature binding both in infants and in adults, probably indexing grouping and selection of distributed neuronal populations. Methodological concerns are noted and the need for long‐term normative studies is stressed. Copyright © 2005 John Wiley & Sons, Ltd.
ISSN:1522-7227
1522-7219
1522-7219
DOI:10.1002/icd.408