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An alien limb is a debilitating disorder of volitional control. The core feature of alien limb is the performance of simple or complex semi-purposeful movements which the patient reports to be unintentional or unwanted, or...

Action affordance Alien limb Dual premotor Predictive processing Supplementary motor area Alien Limb Phenomenon Bayes Theorem Brain Humans Movement

Alien limb refers to movements that seem purposeful but are independent of patients' reported intentions. Alien limb often co-occurs with apraxia in the corticobasal syndrome, and anatomical and phenomenological comparisons have...

Alien limb syndrome Anarchic hand syndrome Apraxia Corticobasal syndrome sense of agency Sense of ownership Volition Aged Alien Limb Phenomenon apraxias Basal Ganglia Diseases Female Humans Male Middle Aged Supranuclear Palsy Progressive