Power changes in infant EEG frequency bands during a spatial working memory task.

Full Abstract

Developmental psychophysiologists working with infants have no commonly accepted frequency definitions of EEG waves or rhythms. The purpose of this study was to investigate the task-related power changes in three infant EEG frequency bands during the performance of a spatial working memory task by 8-month-old infants. EEG data were divided into three frequency bands:
3-5 Hz, 6-9 Hz, and 10-12 Hz. Although all three frequency bands showed some level of discrimination of baseline from task and among different processing stages of cognitive activity, only the 6-9 Hz band consistently exhibited these capabilities and distinguished the correct from incorrect responses. These data may form the foundation for defining EEG frequency bands that are appropriate for use with infant research participants and for understanding the function of these frequencies during cognitive activity.

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Author information

Author/s: Bell, Martha Ann (MA);

Affiliation: Department of Psychology, Virginia Polytechnic Institute & State University, Blacksburg 24061, USA. mabell(-atsign-)vt.edu

Journal and publication information

Publication Type: Clinical Trial; Journal Article

Journal: Psychophysiology (Psychophysiology), published in United States. (Language: eng)

Reference: 2002-Jul; vol 39 (issue 4) : pp 450-8

Dates: Created 2002/09/05; Completed 2002/10/01; Revised 2004/11/17;

PMID: 12212637, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Electroencephalography
Eye Movements - physiology
Female
Humans

Infant
Male
Memory, Short-Term - physiology
Space Perception - physiology

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