Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.

The term 'action disorganization syndrome' has been used to describe patients with selective impairments in carrying out multi-step everyday tasks, which are not linked to motor deficits. We used a range of everyday life tasks to examine the effects on a patient with ADS of having related...

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Autori principali: Morady, K, Humphreys, G
Natura: Journal article
Lingua:English
Pubblicazione: 2008
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author Morady, K
Humphreys, G
author_facet Morady, K
Humphreys, G
author_sort Morady, K
collection OXFORD
description The term 'action disorganization syndrome' has been used to describe patients with selective impairments in carrying out multi-step everyday tasks, which are not linked to motor deficits. We used a range of everyday life tasks to examine the effects on a patient with ADS of having related distractors present during task performance. The presence of related distractors increased omission errors in the patient. In a second experiment we assessed whether we could mimic this pattern of deficit when normal participants carried out the everyday tasks and a secondary task was imposed to place demands on executive processes. Secondary task load produced a general increase in errors in the controls and reduced the number of self-correcting responses, but there were no proportional increases in omission errors. Control participants and patients with ADS may suffer from demands on different processes involved in the performance of everyday actions. We discuss the implications for understanding everyday actions.
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spelling oxford-uuid:dd18c1d6-ad2f-4e22-bece-0309a93de30f2022-03-27T09:22:31ZComparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:dd18c1d6-ad2f-4e22-bece-0309a93de30fEnglishSymplectic Elements at Oxford2008Morady, KHumphreys, GThe term 'action disorganization syndrome' has been used to describe patients with selective impairments in carrying out multi-step everyday tasks, which are not linked to motor deficits. We used a range of everyday life tasks to examine the effects on a patient with ADS of having related distractors present during task performance. The presence of related distractors increased omission errors in the patient. In a second experiment we assessed whether we could mimic this pattern of deficit when normal participants carried out the everyday tasks and a secondary task was imposed to place demands on executive processes. Secondary task load produced a general increase in errors in the controls and reduced the number of self-correcting responses, but there were no proportional increases in omission errors. Control participants and patients with ADS may suffer from demands on different processes involved in the performance of everyday actions. We discuss the implications for understanding everyday actions.
spellingShingle Morady, K
Humphreys, G
Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title_full Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title_fullStr Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title_full_unstemmed Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title_short Comparing action disorganization syndrome and dual-task load on normal performance in everyday action tasks.
title_sort comparing action disorganization syndrome and dual task load on normal performance in everyday action tasks
work_keys_str_mv AT moradyk comparingactiondisorganizationsyndromeanddualtaskloadonnormalperformanceineverydayactiontasks
AT humphreysg comparingactiondisorganizationsyndromeanddualtaskloadonnormalperformanceineverydayactiontasks