Triple dissociation of attention networks in stroke according to lesion location.

ABSTRACT:

Objective

To determine whether behavioral dissociations and interactions occur between the attentional functions-alerting, orienting, and conflict resolution-depending upon stroke location and to determine the approximate proportion of patients who can be classified into 1 of these 3 anatomical networks.

Methods

We recruited 110 anatomically unselected acute stroke patients and 62 age-matched controls. Subjects underwent the attention network test (ANT), which provides a measure of each attention type. Their performance was related to lesion anatomy on MRI using a voxel-lesion mapping approach.

Results

Patients as a whole performed poorer than controls, but there were no group differences in the size of attentional effects. Specific deficits in 1 of the 3 ANT-tested f

SUBMITTER: Rinne P 

PROVIDER: S-EPMC3908461 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature