Actions anchored by concepts: Defective action comprehension in semantic dementia

Y. Nishio, H. Kazui, M. Hashimoto, K. Shimizu, K. Onouchi, S. Mochio, K. Suzuki, E. Mori

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objective: To study the ability of patients with semantic dementia to understand actions, in order to examine the contribution of semantic memory to action comprehension. Methods: The ability to comprehend symbolic and instrumental actions was assessed in 6 patients with semantic dementia and 10 healthy controls. The patients were also given the imitation test of meaningful and meaningless actions. Results: In all patients with semantic dementia, comprehension of both symbolic and instrumental actions was defective. The comprehension of symbolic actions was more impaired than that of instrumental actions. Their ability to imitate other's actions was well preserved. Conclusion: This study showed that comprehension of action was impaired in semantic dementia, suggesting that semantic memory has an important role in comprehension of human action.

Original languageEnglish
Pages (from-to)1313-1317
Number of pages5
JournalJournal of Neurology, Neurosurgery and Psychiatry
Volume77
Issue number12
DOIs
Publication statusPublished - 2006 Dec 1

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology
  • Psychiatry and Mental health

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