Spatial transpositions across tasks and response modalities: Exploring representational allochiria

Michele Lepore, Massimiliano Conson, Adriana Ferrigno, Dario Grossi, Luigi Trojano

Research output: Contribution to journalArticlepeer-review

Abstract

We describe a neglect patient who showed systematic transpositions of left-sided items onto the right side in clock drawing. When the patient had to write single hours on blank clock dials he again showed allochiria, while he copied single spatial locations without transpositions. The patient also showed a variable number of spatial transpositions on imaginal tasks with well known and novel material acquired through visual modality and on controlled constructional tasks, independently from response modality (verbal, graphic or motor). From this basis, we argued that spatial transpositions may derive from an impairment of the mental representation of space. Moreover, we speculated that such errors may result from cognitive conflict between different sources of information.

Original languageEnglish
Pages (from-to)386-392
Number of pages7
JournalNeurocase
Volume10
Issue number5
DOIs
Publication statusPublished - Oct 2004

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Psychiatry and Mental health
  • Psychology(all)

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