Un caso di "mano aliena" dopo lesione ischemica emisferica destra

Translated title of the contribution: Alien hand after right ischemic hemispheric lesion

Elisabetta Farina, Raffaella Fioravanti, Agostino Bettinelli, Stefania Di Maio, Paolo Nichelli, Nicola Canal

Research output: Contribution to journalArticlepeer-review


We present a patient who developed a left alien hand syndrome after a right frontal-temporal-parietal ischemic stroke. No lesion of corpus callosum or medial frontal lobe was detected. Left hemianopia, hemispatial neglect, slight hemiparesis and profound sensory loss were evident. The patient declared that the left hand "acts up as it wants". Only rarely we observed instances of intermanual conflict. During the rehabilitation training, the patient was taught to visually control the left hand: the frequency of alien hand movements gradually lessened. We hypothesize that the genesis of the alien hand syndrome in this patient could be due to coincidence of multiple factors: the profound sensory loss, the hemispatial neglect and a general attentional deficit could have been reduced the possibility of conscious perception and control of the hand, while estension of the lesion to basal ganglia could have been damaged the medial premotor system who controls voluntary movements.

Translated title of the contributionAlien hand after right ischemic hemispheric lesion
Original languageItalian
Pages (from-to)265-271
Number of pages7
JournalRivista di Neurobiologia
Issue number4
Publication statusPublished - 2001

ASJC Scopus subject areas

  • Neuroscience(all)


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