The influence of misnaming on object recognition: A case of multimodal agnosia

Hiroya Ohtakc, Toshikatsu Fujii, Atsushi Yamadori, Misato Fujimori, Yuko Hayakawa, Kyoko Suzuki

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We present a case of multimodal agnosia in the visual and tactile modality due to an infarction in the territory of the left posterior cerebral artery. The patient's ability to recognize objects fluctuated depending on his verbal activity. When he misnamed presented objects, he tended to use them and to draw them in keeping with the wrong name. We submit that the mechanism causing associative agnosia is more dynamic that it was hitherto considered. It originates from the rivalry between top-down central regulation and bottom-up peripheral flow.

Original languageEnglish
Pages (from-to)175-186
Number of pages12
JournalCortex
Volume37
Issue number2
DOIs
Publication statusPublished - 2001 Apr

Keywords

  • Misnaming
  • Optic aphasia
  • Tactile agnosia
  • Top-down regulation
  • Visual agnosia

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

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