Individual differences in executive processing predict susceptibility to interference in verbal working memory.

Full Abstract

Recent theories have suggested that resistance to interference is a unifying principle of executive function and that individual differences in interference may be explained by executive function (M. J. Kane & R. W. Engle, 2002). Measures of executive function, memory, and perceptual speed were obtained from 121 older adults (ages 63-82). We used structural equation modeling to investigate the relationships of these constructs with interference in a working memory task. Executive function was best described as two related subcomponent processes:
shifting and updating goal-relevant representations and inhibition of proactive interference. These subcomponents were distinct from verbal and visual memory and speed. Individual differences in interference susceptibility and recollection were best predicted by shifting and updating and by resistance to proactive interference, and variability in familiarity was predicted by resistance to proactive interference and speed.((c) 2006 APA, all rights reserved).

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Author information

Author/s: Hedden, Trey (T); Yoon, Carolyn (C);

Affiliation: Psychology Department, Stanford University, Stanford, CA, USA. hedden(-atsign-)mit.edu

Journal and publication information

Publication Type: Clinical Trial; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

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

Reference: 2006-Sep; vol 20 (issue 5) : pp 511-28

Dates: Created 2006/08/29; Completed 2006/10/19; Revised 2006/11/15;

PMID: 16938014, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Aged
Aged, 80 and over
Aging - psychology
Female
Health Status
Humans
Individuality
Male
Memory, Short-Term - physiology

Mental Recall - physiology
Middle Aged
Models, Psychological
Neuropsychological Tests
Perception - physiology
Psychomotor Performance - physiology
Questionnaires
Socioeconomic Factors
Verbal Learning - physiology

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