Relational processing following stroke |
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| Authors: | Glenda Andrews Graeme S Halford David Shum Annick Maujean Mark Chappell Damian Birney |
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| Institution: | 1. Behavioural Basis of Health Program, Griffith Health Institute & School of Applied Psychology, Griffith University, Gold Coast Campus, 4222, Australia;2. Accelerated Learning Laboratory, University of New South Wales, Australia |
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| Abstract: | The research examined relational processing following stroke. Stroke patients (14 with frontal, 30 with non-frontal lesions) and 41 matched controls completed four relational processing tasks: sentence comprehension, Latin square matrix completion, modified Dimensional Change Card Sorting, and n-back. Each task included items at two or three levels of relational complexity. Relational processing was impaired in the stroke groups. This was due mainly to items at the intermediate ternary-relational level of complexity. Less complex binary-relational items and more complex quaternary-relational items (the latter are difficult for adults generally) were less sensitive to stroke status. Impairment was greater in frontal than non-frontal stroke patients. Positive inter-correlations among measures supported the domain-general nature of relational processing. Implications for assessment and intervention are discussed. |
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| Keywords: | Relational processing Stroke Relational complexity |
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