Role of anterior cingulate cortex during semantic coding in verbal working memory.

Full Abstract

The relationship between working memory and long-term memory was one of the main problems in recent studies of working memory. As part of this problem, we examined the neural substrates that sustain the semantic coding process in verbal working memory using fMRI. In past experiments, we behaviorally explored whether central executive plays an important role in the process of semantic coding; thus, we especially focused on the function of anterior cingulate cortex (ACC) that is assumed to form the main neural basis of central executive. We accomplished our purpose by examining the concreteness effect reflecting semantic information. The ACC was strongly activated under the Concrete condition in contrast to the Abstract condition. Based on this result, we argue that the ACC is responsible for the semantic coding process in verbal working memory.

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Author information

Author/s: Kaneda, Mizuki (M); Osaka, Naoyuki (N);

Affiliation: Department of Psychology, Graduate School of Letters, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto 606-8501, Japan. kaneda(-atsign-)psy.mbox.media.kyoto-u.ac.jp

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Neuroscience letters (Neurosci Lett), published in Ireland. (Language: eng)

Reference: 2008-May; vol 436 (issue 1) : pp 57-61

Dates: Created 2008/04/14; Completed 2008/07/22;

PMID: 18375064, status: MEDLINE (last retrieval date: 11/6/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Brain Mapping
Female
Gyrus Cinguli - physiology
Humans
Language

Language
Magnetic Resonance Imaging
Male
Memory, Short-Term - physiology
Semantics
Verbal Behavior - physiology

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