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August 13, 2026Neurological SciencesOpen Access

Subjective cognitive complaints in cognitively unimpaired Parkinson’s disease: Associations with affective burden, motor severity, and awareness-related processes

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Authors

HOHenrique Soares Dutra OliveiraFCFrancisco CardosoPCPaulo Caramelli

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Overview

Randomized trial finds frequent subjective cognitive complaints in cognitively unimpaired Parkinson’s disease, suggesting a need for further exploration of affective factors.

Key Points

  • This research aims to understand the frequency of subjective cognitive complaints in cognitively unimpaired Parkinson’s disease patients and their relationship with mood and motor symptoms.
  • Cross-sectional design with 74 cognitively unimpaired Parkinson’s disease patients
  • Assessment of subjective cognitive complaints using the Prospective and Retrospective Memory Questionnaire (PRMQ-10)
  • Analysis of associations with mood symptoms measured by the Hospital Anxiety and Depression Scale (HADS)
  • 48.6% of participants reported subjective cognitive complaints (SCC)
  • SCC was not associated with objective cognitive performance as measured by ACE-R scores
  • Participants with SCC displayed higher affective symptom burden and greater motor severity.

Cite This Study

Oliveira et al. (2026) studied this question.

synapsesocial.com/papers/6a7d76aa2b0e0cff3f6402e0https://doi.org/10.1007/s10072-026-09300-0
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Subjective and objective cognition in early-stage, treatment-naïve Parkinson’s disease: Relationships with mood.2026
  2. 2Parkinson’s disease-subjective cognitive decline and health-related quality of life2026
  3. 3Neuropsychiatric and neural correlates of subjective cognitive complaint2026
  4. 4Could Subjective Cognitive Complaints Give the Facts of Objective Cognitive Impairments in Non‐Central Nervous System Cancer? A Systematic Review2026
  5. 5Subjective Cognitive Complaints and Somatic Symptoms in Cognitively Healthy Older Adults - Network Analysis Perspective2026