Increased local switch costs in mild cognitive impairment

Task switching performance was assessed in a group of healthy young, healthy old, and MCI-diagnosed participants. Highly significant RT-related local switch costs were found in the MCI group. This contrasts the typical finding that in normal aging local switch costs show no age-related deficit. Loca...

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Published in:Experimental gerontology 2020-07, Vol.135, p.110934-110934, Article 110934
Main Authors: Velichkovsky, Boris B., Tatarinov, Dmitry V., Roshchina, Irina F., Selezneva, Natalia D.
Format: Article
Language:English
Subjects:
Aging
Cognitive Dysfunction - diagnosis
Humans
Local switch costs
Mild cognitive impairment
Neuropsychological Tests
Reaction Time
Task switching
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description Task switching performance was assessed in a group of healthy young, healthy old, and MCI-diagnosed participants. Highly significant RT-related local switch costs were found in the MCI group. This contrasts the typical finding that in normal aging local switch costs show no age-related deficit. Local switch costs deficits may be a diagnostic tool in differentiating normal and pathological cognitive aging. •Task switching performance was assessed in young, healthy old, and MCI participants.•Local switch costs were specifically increased in MCI.•Switching performance could be an early indicator of pathological aging processes.
doi_str_mv 10.1016/j.exger.2020.110934
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subjects Aging
Cognitive Dysfunction - diagnosis
Humans
Local switch costs
Mild cognitive impairment
Neuropsychological Tests
Reaction Time
Task switching
title Increased local switch costs in mild cognitive impairment
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