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Related Experiment Video

Updated: May 26, 2026

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
14:04

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Published on: August 26, 2011

Implicit and explicit emotional processing in Parkinson's disease.

Céline Borg1, Nathalie Bedoin, Soline Bogey

  • 1Neurology/Neuropsychology CMRR Unit, CHU Nord, 42270 Saint-Priest-en-Jarez, France. celine.borg@chu-st-etienne.fr

Journal of Clinical and Experimental Neuropsychology
|January 11, 2012
PubMed
Summary
This summary is machine-generated.

Parkinson's disease patients struggle to explicitly identify disgust words, showing deficits in emotional and semantic processing despite some implicit emotional sensitivity.

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Area of Science:

  • Neuroscience
  • Psychology
  • Neurology

Background:

  • Investigates emotional processing in nondemented Parkinson's disease (PD) patients.
  • Examines explicit identification and implicit sensitivity to emotional words.
  • Assesses emotional deficits beyond cognitive impairment.

Purpose of the Study:

  • To evaluate explicit emotional word identification in PD.
  • To assess implicit emotional sensitivity in PD.
  • To understand emotional recognition deficits in PD patients.

Main Methods:

  • Compared 12 PD patients with 12 age- and education-matched healthy controls.
  • Utilized lexical decision (LD) and emotional categorization tasks (fear, disgust, happiness).
  • Administered tasks using the same word stimuli for both groups.

Main Results:

  • PD patients showed impaired explicit identification of disgust words.
  • Accuracy in lexical decision (LD) was decreased in PD patients for disgust.
  • A shared slowdown in LD latency suggested persistent implicit emotional sensitivity to disgust.

Conclusions:

  • PD patients exhibit emotional deficits in recognizing emotional and semantic word components.
  • Despite intact implicit sensitivity, explicit emotional recognition is impaired in PD.
  • Findings suggest blunted emotional responses in Parkinson's disease.