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Related Experiment Video

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Dynamic Digital Biomarkers of Motor and Cognitive Function in Parkinson's Disease
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Present and future selves in Parkinson's disease.

Alexandra Ernst1, Joanne Allen2, Lydia Dubourg3

  • 1a Department of Psychology, Psychology and Neuroscience of Cognition Unit , University of Liege , Liege , Belgium.

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|August 15, 2017
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Summary

This study examined self-images in Parkinson's disease patients, finding a mix of preserved and impaired self-representation dimensions. These changes are linked to the episodic quality of autobiographical memory and future thinking.

Keywords:
Parkinson’s diseaseSelfautobiographical memoryfuture thinkingidentity

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Area of Science:

  • Neuropsychology
  • Cognitive Neuroscience
  • Memory Research

Background:

  • The self is intricately linked to autobiographical memory (AM) and episodic future thinking.
  • Neuropsychological conditions, such as Parkinson's disease (PD), can impact these self-related cognitive functions.
  • Understanding these impacts is crucial for both theoretical insights and clinical care.

Purpose of the Study:

  • To investigate the self-representation in Parkinson's disease patients.
  • To explore the relationship between self-images, autobiographical memory, and episodic future thinking in PD.
  • To identify specific patterns of preservation and impairment in self-related cognition in PD.

Main Methods:

  • PD patients and healthy controls generated and dated past and future self-images.
  • Participants provided associated past and future events for these self-images.
  • Quantitative and qualitative dimensions of self-images were analyzed.

Main Results:

  • A nuanced pattern of both preservation and impairment was observed in self-image dimensions in PD patients.
  • The findings indicate that different dimensions of self-images are differentially affected.
  • The episodic quality of past and future events partially underlies these self-image characteristics.

Conclusions:

  • Self-representation in Parkinson's disease is subtly altered, affecting both quantitative and qualitative aspects.
  • The integrity of autobiographical memory and episodic future thinking plays a role in maintaining self-images.
  • Further research is needed to understand the full clinical implications for patient care.