Disturbed sense of limb-ownership is due to lesion of the right posterior insula

Hemiparetic stroke patients with disturbed awareness for their motor weakness, i.e. who show anosognosia for hemiparesis/-plegia (AHP), may exhibit further, abnormal attitudes towards and/or perceptions of the paretic/plegic limb. We investigated a series of 79 consecutively admitted acute stroke patients with right brain damage and hemiparesis/-plegia and found a tight association between AHP and such abnormal feelings. Ninty-two percent of the patients with AHP showed a 'disturbed sensation of ownership' (DSO) for the paretic/plegic limb in addition. The patients had the feeling that their contralesional limb(…