Psychological Measurement of Memory Deficits in Dialysis Patients

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Abstract
In light of recent research on “dialysis dementia,” two questions were raised: (1) Is such dementia an all-or-none phenomenon or is it distributed in severity throughout the population of dialysis patients? (2) Is the dementia related to the uremia itself or to some aspect of dialysis? Memory decline was used as the operational definition of dementia. The Russell revision of the Wechsler Memory Scale was used to measure short- and long-term semantic and figural memory. Results suggested that both semantic and figural memory disturbances were distributed in varying degrees throughout the population of dialysis patients ( n = 28). Further findings suggested that figural memory functioning was negatively correlated with the number of dialysis sessions and with the amount of time elapsed since the first dialysis session. Suggestions are made for further research and clinical considerations.