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Dynamic Digital Biomarkers of Motor and Cognitive Function in Parkinson's Disease
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Changes in facial expression recognition and well-being over time.

Marie Huc1,2, Katie Bush1,3, Lindsay Berrigan4,5

  • 1University of Ottawa Institute of Mental Health Research at The Royal, Ottawa, Canada.

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Facial emotion recognition improved over time with masked interactions, showing complex links to mental health. Increased depression and anxiety correlated with better recognition of certain masked emotions.

Keywords:
Emotionfacial occlusionmental health

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Area of Science:

  • Psychology
  • Cognitive Science
  • Mental Health Research

Background:

  • Facial emotion recognition is crucial for social interaction.
  • The impact of facial occlusion (e.g., masks) on emotion recognition over time is not fully understood.
  • The relationship between changes in masked emotion recognition and evolving mental health is unclear.

Purpose of the Study:

  • To longitudinally investigate changes in recognizing occluded emotional faces.
  • To explore the relationship between masked emotion recognition and mental health indicators.
  • To examine the influence of daily masked interactions on emotion recognition performance.

Main Methods:

  • Longitudinal study design with a Canadian cohort (N=128).
  • Assessed emotion recognition accuracy and reaction time for occluded faces over 3-4 months.
  • Correlated changes in recognition with self-reported depression and anxiety symptoms and frequency of masked interactions.

Main Results:

  • Participants demonstrated improved accuracy for most occluded facial expressions and faster reaction times for fearful faces.
  • Slower reaction times were observed for surprised faces.
  • Increased daily masked interactions were linked to slower reaction times but higher accuracy for happy and sad faces, indicating a speed-accuracy trade-off.
  • Higher depression symptoms correlated with better accuracy for masked happy faces.
  • Increased anxiety was associated with greater accuracy for masked happy and neutral faces.

Conclusions:

  • Masked emotion recognition abilities change over time and are influenced by the frequency of masked social interactions.
  • There are complex, bidirectional relationships between masked emotion recognition and mental well-being.
  • Findings can inform strategies for navigating social interactions with facial coverings and support mental health during challenging periods.