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Evidence of a Relation Between Hippocampal Volume, White Matter Hyperintensities, and Cognition in Subjective Cognitive Decline and Mild Cognitive Impairment

Author(s): Caillaud M; Hudon C; Boller B; Brambati S; Duchesne S; Lorrain D; Gagnon JF; Maltezos S; Mellah S; Phillips N; Belleville S;...

Objective: The concepts of mild cognitive impairment (MCI) and subjective cognitive decline (SCD) have been proposed to identify individuals in the early stages of Alzheimer's disease (AD), or ...

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A longitudinal study of Off-Target Verbosity.

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Neurophysiological measures of task-set switching: effects of working memory and aging.

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Testing continuity and activity variables as predictors of positive and negative affect in retirement.

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Longitudinal associations of need for cognition, cognitive activity, and depressive symptomatology with cognitive function in recent retirees.

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Are Age-Related Differences Uniform Across Different Inhibitory Functions?

Author(s): Vadaga KK, Blair M, Li KZ

J Gerontol B Psychol Sci Soc Sci. 2016 Jul;71(4):641-9 Authors: Vadaga KK, Blair M, Li KZ

Article GUID: 25681089
Limited Benefits of Heterogeneous Dual-Task Training on Transfer Effects in Older Adults.

Author(s): Lussier M, Brouillard P, Bherer L

J Gerontol B Psychol Sci Soc Sci. 2017 Sep 01;72(5):801-812 Authors: Lussier M, Brouillard P, Bherer L

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The Effects of Age and Hearing Loss on Dual-Task Balance and Listening.

Author(s): Bruce H, Aponte D, St-Onge N, Phillips N, Gagné JP, Li KZH

J Gerontol B Psychol Sci Soc Sci. 2019 Jan 10;74(2):275-283 Authors: Bruce H, Aponte D, St-Onge N, Phillips N, Gagné JP, Li KZH

Article GUID: 28486677
Title:Are Age-Related Differences Uniform Across Different Inhibitory Functions?
Authors:Vadaga KK,  Blair M,  Li KZ
Link:https://www.ncbi.nlm.nih.gov/pubmed/25681089?dopt=Abstract
Category:J Gerontol B Psychol Sci Soc Sci
PMID:25681089
Dept Affiliation: PSYCHOLOGY
1 Centre for Research in Human Development and Department of Psychology, Concordia University, Montréal, Québec, Canada. kiran.vadaga@gmail.com.
2 Department of Cognitive Neurology, Parkwood Hospital, London, Ontario, Canada.
3 Centre for Research in Human Development and Department of Psychology, Concordia University, Montréal, Québec, Canada.

Description:

Are Age-Related Differences Uniform Across Different Inhibitory Functions?

J Gerontol B Psychol Sci Soc Sci. 2016 Jul;71(4):641-9

Authors: Vadaga KK, Blair M, Li KZ

Abstract

OBJECTIVES: In the current experiment, we examined the relative age-sensitivity of 3 inhibitory functions: access, deletion, and restraint by taking into consideration their underlying control processes: proactive and reactive control.

METHODS: The 3 inhibitory functions were measured using a sequential flanker task. Young (age: 18-35, n = 24) and older adults (age: 60-75, n = 25) first memorized a series of 8 animal words in a fixed order. In the test phase, these stimuli were presented randomly either singly or with flankers and participants responded "yes" or "no" based on the prelearned sequence. In the access trials, flankers were either ahead of the current target or unrelated. In the deletion trials, flankers were previous target items. In the restraint trials, the flanker cues (XXXX) prompted the participants to withhold responses occasionally. Unflanked trials served as the baseline condition.

RESULTS: Age-related differences in the magnitude of inhibition effects were largest in restraint, followed by deletion. No age-related differences were observed in access.

DISCUSSION: Our findings suggest that the magnitude of age-related differences in inhibitory functions is contingent on the degree of proactive control recruited by a given inhibitory function.

PMID: 25681089 [PubMed - indexed for MEDLINE]