Prescott, T.J., Newton, L.D., Mir, N.U. et al. (2 more authors) (2006) A new dissimilarity measure for finding semantic structure in category fluency data with implications for understanding memory organization in schizophrenia. Neuropsychology, 20 (6). pp. 685-699. ISSN 0894-4105
Abstract
The ordering of words in category fluency lists is indicative of the semantic distance between items in conceptual memory. Several studies have concluded from structural analyses of such data, using cluster analysis or multidimensional scaling, that the semantic memory of patients with schizophrenia is more disorganized than that of controls. Previous studies have based their analyses on a measure of average inter-item dissimilarity devised by Chan et al. (1993). Here we derive a new and improved method of determining dissimilarity and show that when this measure is applied to the fluency lists of patients with schizophrenia the average pattern of organization for the animal category has similar structure to that of controls, but with greater variability between individuals.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2016 APA. This is an author produced version of a paper subsequently published in Neuropsychology. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | category fluency; cluster analysis; multidimensional scaling; semantic memory; schizophrenia |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > Department of Neuroscience (Sheffield) The University of Sheffield > Faculty of Science (Sheffield) > Department of Psychology (Sheffield) The University of Sheffield > Sheffield Teaching Hospitals |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 14 Nov 2016 14:40 |
Last Modified: | 05 Nov 2017 22:54 |
Published Version: | http://dx.doi.org/10.1037/0894-4105.20.6.685 |
Status: | Published |
Publisher: | American Psychological Association |
Refereed: | Yes |
Identification Number: | 10.1037/0894-4105.20.6.685 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:107038 |