Selective impairment in visual short-term memory binding

Mario A. Parra, Sergio Della Sala, Robert H. Logie, Sharon Abrahams

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Dissociations within binding in perception have been reported after brain damage. In short-term memory (STM), feature binding and feature processing appear to rely on separate processes. However, dissociations within binding in STM following brain damage have not been reported to date. We report on the case E. S. who, after removal of a left medial sphenoid ridge meningioma, developed a selective impairment of visual STM (VSTM) binding. We found that, despite having normal perceptual binding, E. S. was unable to retain in VSTM features bound into objects while she could retain individual features as well as controls did (Experiments 1-2, 4, and 6). Her verbal STM for bound and single features remains intact (Experiments 3 and 5). E. S.' s performance suggests that STM binding can be dissociated from STM for single features across visual and verbal domains. The results are discussed in the light of current models of STM.
Original languageEnglish
Pages (from-to)583-605
Number of pages23
JournalCognitive Neuropsychology
Volume26
Issue number7
DOIs
Publication statusPublished - Oct 2009

Keywords

  • short-term memory
  • memory binding
  • feature integration
  • working memory
  • episodic buffer

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