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Advisor(s)
Abstract(s)
Objectives: Patients with mild cognitive impairment (MCI) may have difficulties in time perception, which in turn might
contribute to some of their symptoms, especially memory deficits. The aim of this study was to evaluate perception of
interval length and subjective passage of time in MCI patients as compared to healthy controls. Methods: Fifty-five MCI
patients and 57 healthy controls underwent an experimental protocol for time perception on interval length, a
questionnaire for the subjective passage of time and a neuropsychological evaluation. Results: MCI patients presented
no changes in the perception of interval length. However, for MCI patients, time seemed to pass more slowly than it did
for controls. This experience was significantly correlated with memory deficits but not with performance in executive
tests, nor with complaints of depression or anxiety. Conclusions: Memory deficits do not affect the perception of
interval length, but are associated with alterations in the subjective passage of time.
Description
Keywords
Cognitive decline Time experiences Time interval Perceived speed of time judgments Memory Aging
Citation
Journal Of The International Neuropsychological Society, 22(7), 755-764. doi: 10.1017/S1355617716000606
Publisher
Cambridge University Press