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Visual complexity accentuates picture-description deficit in amnesia.

Authors
  • Dewar, Michaela1
  • Neroni, Maria Adriana2
  • Zeman, Adam3
  • Beschin, Nicoletta4
  • Della Sala, Sergio2
  • 1 Psychology, Heriot-Watt University.
  • 2 Human Cognitive Neuroscience, University of Edinburgh.
  • 3 Cognitive and Behavioural Neurology, University of Exeter Medical School.
  • 4 Neuropsychology Unit, Rehabilitation Department, S Antonio Abate Hospital.
Type
Published Article
Journal
Neuropsychology
Publication Date
Sep 01, 2017
Volume
31
Issue
6
Pages
689–696
Identifiers
DOI: 10.1037/neu0000310
PMID: 28661172
Source
Medline
License
Unknown

Abstract

Although variations in lesion sites might have accounted for the aforementioned cross-study differences in picture description in amnesic patients, our results suggest that, at least in amnesic patients with extramedial temporal lobe lesions, the complexity of pictures can determine whether or not a (substantial) picture-description deficit is observed. We interpret these findings in terms of a narrative-construction deficit. We hypothesize that, whereas brief narrative can be constructed via nonmemory cognitive processes, the construction of more detailed narrative depends upon intact functioning of a temporary memory system, such as the episodic buffer. (PsycINFO Database Record

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