Dissociated functional connectivity profiles for motor and attention deficits in acute right-hemisphere stroke.

ABSTRACT: Strokes often cause multiple behavioural deficits that are correlated at the population level. Here, we show that motor and attention deficits are selectively associated with abnormal patterns of resting state functional connectivity in the dorsal attention and motor networks. We measured attention and motor deficits in 44 right hemisphere-damaged patients with a first-time stroke at 1-2 weeks post-onset. The motor battery included tests that evaluated deficits in both upper and lower extremities. The attention battery assessed both spatial and non-spatial attention deficits. Summary measures for motor and attention deficits were identified through principal component analyses on the raw behavioural scores. Functional connectivity in structurally normal cortex was estimated based on the te

SUBMITTER: Baldassarre A 

PROVIDER: S-EPMC4939692 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature