Event-related potentials during mental imagery.

Abstract:

:Event-related potentials(ERPs) were measured while subjects were constructing mental images of a letter of the alphabet. Following presentation of an uppercase letter, subjects were asked to form a mental image of the same letter in lower case, and determine whether or not it had an ascending or descending stroke (ascender or descender). ERPs were measured in a passive condition and then compared with the ERPs recorded while the subjects performed the discrimination task. During the discrimination task, negative potentials were observed in left frontal, central and parietal areas around 220 ms after the stimulus onset. These early negative potentials were dominant in the left hemisphere and are probably related to working memory processes in mental image formation.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Yamamoto S,Mukai H

doi

10.1097/00001756-199810260-00004

subject

Has Abstract

pub_date

1998-10-26 00:00:00

pages

3359-62

issue

15

eissn

0959-4965

issn

1473-558X

journal_volume

9

pub_type

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