Covert orientation of visual attention in Parkinson's disease: an impairment in the maintenance of attention.

Abstract:

:Covert orientation of attention was studied in a group of patients with idiopathic Parkinson's disease and compared to a matched control group using a cued reaction time task which measured disengagement, covert movement and engagement of attention. Parkinson patients had an increased response latency and disengaged from attended locations more readily than controls. This impairment in the maintenance of attention in Parkinson's disease was comparable to that produced in a previous study by pharmacological blockade of brain catecholamines in normal subjects. It is suggested that an impairment in the maintenance of oriented attention may underlie some of the cognitive deficits reported in Parkinson's disease.

journal_name

Neuropsychologia

journal_title

Neuropsychologia

authors

Wright MJ,Burns RJ,Geffen GM,Geffen LB

doi

10.1016/0028-3932(90)90097-8

subject

Has Abstract

pub_date

1990-01-01 00:00:00

pages

151-9

issue

2

eissn

0028-3932

issn

1873-3514

pii

0028-3932(90)90097-8

journal_volume

28

pub_type

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