This study was based on the clinical observation that patients receiving haemodialysis(HD) showed poor retention for complex verbal information. To investigate this hypothesis, 45 patients with endstage renal disease were administered a neuropsychological (NP) test battery, including a test of prose recall on two occasions, 7 days apart (pre-dialysis and whilst dialysing). A range of demographic, biochemical and mood variables were also assessed. Results revealed a selective deficit for prose recall whilst dialysing compared to pre-dialysis performance, which habituated in the long-term. Possible physiological and psychological bases of these effects in HD patients are discussed.
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