Apraxia of single tool use

Yuko Hayakawa, Atsushi Yamadori, Toshikatsu Fujii, Kyoko Suzuki, Mari Tobita

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


We report a 72-year-old right-handed man who showed an 'apraxia of tool use' after a cerebral infarct in the territory of the left middle cerebral artery. His apraxia of tool use was characterized by a clear dissociation between the inability to use a single tool and the ability to use plural tools. Most of the errors occurred in selecting an appropriate target where a tool is expected to be applied. Detailed examinations confirmed that his conceptual knowledge of tool use was well preserved. Furthermore, when a target of a tool was provided as a cue, he used a single tool correctly. These results suggest that his inability to use a single tool originated from his inability to evoke a target image from an actual tool. Copyright (C) 2000 S. Karger AG, Basel.

Original languageEnglish
Pages (from-to)76-81
Number of pages6
JournalEuropean Neurology
Issue number2
Publication statusPublished - 2000 Feb


  • Automatico-voluntary dissociation
  • Ideational apraxia
  • Ideomotor apraxia
  • Tool use


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