Self-Reported Cognitive Dysfunction: Perceived Deficits Questionnaire (PDQ) | Study Task

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The Perceived Deficits Questionnaire (PDQ; Sullivan, Edgley, & Dehoux, 1990) is the questionnaire to assess perceived cognitive deficits from the patient’s perspective. Since patients’ perceptions of their cognitive function may not be concordant with their objectively-measured function, scores on measures of perceived cognitive function should be interpreted cautiously.

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