Triple dissociation of attention networks in stroke according to lesion location

News Thursday, August 1st, 2013

Neurology: 7/31/13

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, and their performance related to lesion anatomy on MRI using a voxel-lesion mapping approach. Read more

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