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

P. Jenkinson, Nicola M. J. Edelstyn, Catherine Preston, Simon J. Ellis

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
80 Downloads (Pure)

Abstract

Anarchic hand syndrome (AHS) is characterized 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 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.

Original languageEnglish
Pages (from-to)471-478
Number of pages8
JournalNeurocase
Volume21
Issue number4
Early online date5 Jun 2014
DOIs
Publication statusPublished - 2015

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