Anarchic hand with abnormal agency following right inferior parietal lobe damage: a case report

Paul M. Jenkinson, Nicola M.J. Edelstyn, Catherine Preston, Simon J. Ellis
2014 Neurocase  
Anarchic hand syndrome (AHS) is characterised by goal-directed movements performed without volitional control (agency). Different AHS subtypes have been identified; however, few studies have examined the posterior subtype. We report a case of AHS following right-hemisphere parietal damage, with left-sided somatosensory and proprioceptive impairment. Agency was examined for nonanarchic (volitional) movements performed using the anarchic hand. The patient experienced abnormal agency for movements
more » ... whether motor intention and visual feedback were congruent or incongruent, but not when intention was absent (passive movement). Findings suggest a general disturbance of veridical motor awareness and agency in this case of parietal AHS. Abstract = 98 words (max 100)
doi:10.1080/13554794.2014.925936 pmid:24898941 fatcat:g6mo46onzjdejhfn2vmuz56nh4