publication . Article . 2009

Loss of imagery phenomenology with intact visuo-spatial task performance: a case of 'blind imagination'

Zeman, Adam Z. J.; Della Sala, Sergio; Torrens, Lorna A.; Torrnes, L.; Gountouna, Viktoria-Eleni; McGonigle, David J.; Logie, Robert H.;
Open Access
  • Published: 04 Sep 2009
Abstract
The capacity for imagery, enabling us to visualise absent items and events, is a ubiquitous feature of our experience. This paper describes the case of a patient, MX, who abruptly lost the ability to generate visual images. He rated himself as experiencing almost no imagery on standard questionnaires, yet performed normally on standard tests of perception, visual imagery and visual memory. These unexpected findings were explored using functional MRI scanning (fMRI). Activation patterns while viewing famous faces were not significantly different between MX and controls, including expected activity in the fusiform gyrus. However, during attempted imagery, activati...
Subjects
Medical Subject Headings: genetic structuresbehavioral disciplines and activities
free text keywords: Behavioral Neuroscience, Cognitive Neuroscience, Experimental and Cognitive Psychology, Face perception, Cognitive psychology, Psychology, Mental image, Mental rotation, Brain mapping, Perception, media_common.quotation_subject, media_common, Auditory imagery, Visual memory, Fusiform gyrus
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