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The nature of impairments of memory in patients with end-stage renal disease (ESRD)

Jones, D. J.W., Harris, J. P., Vaux, E., Hadid, R., Kean, R. and Butler, L. T. (2015) The nature of impairments of memory in patients with end-stage renal disease (ESRD). Physiology & Behavior, 147. pp. 324-333. ISSN 0031-9384

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To link to this item DOI: 10.1016/j.physbeh.2015.05.008

Abstract/Summary

Possible impairments of memory in end-stage renal disease (ESRD) were investigated in two experiments. In Experiment 1, in which stimulus words were presented visually, participants were tested on conceptual or perceptual memory tasks, with retrieval being either explicit or implicit. Compared with healthy controls, ESRD patients were impaired when memory required conceptual but not when it required perceptual processing, regardless of whether retrieval was explicit or implicit. An impairment of conceptual implicit memory (priming) in the ESRD group represented a previously unreported deficit compared to healthy aging. There were no significant differences between pre- and immediate post-dialysis memory performance in ESRD patients on any of the tasks. In Experiment 2, in which presentation was auditory, patients again performed worse than controls on an explicit conceptual memory task. We conclude that the type of processing required by the task (conceptual vs. perceptual) is more important than the type of retrieval (explicit vs. implicit) in memory failures in ESRD patients, perhaps because temporal brain regions are more susceptible to the effects of the illness than are posterior regions.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Psychology and Clinical Language Sciences > Department of Psychology
University of Reading Malaysia
ID Code:40310
Uncontrolled Keywords:Memory; End-stage renal disease (ESRD); Implicit; Explicit; Conceptual; Perceptual
Publisher:Elsevier

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