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Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
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Facial expression perception correlates with verbal working memory function in schizophrenia.

Kumiko Hagiya1,2, Tomiki Sumiyoshi1, Ayako Kanie1

  • 1Department of Psychiatry, National Center of Neurology and Psychiatry, Tokyo, Japan.

Psychiatry and Clinical Neurosciences
|July 2, 2015
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Summary

Facial emotion recognition is impaired in schizophrenia patients. This ability correlates with verbal working memory, suggesting shared cognitive resources that may inform schizophrenia interventions.

Keywords:
facial emotion perceptionneurocognitionschizophreniasocial cognitionworking memory

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Facial emotion perception is a key aspect of social cognition.
  • Patients with schizophrenia often exhibit deficits in recognizing facial emotions.

Purpose of the Study:

  • To examine the relationship between facial expression recognition and other social and neurocognitive domains in Japanese schizophrenia patients.
  • To investigate the correlation between facial emotion perception and neurocognitive functions.

Main Methods:

  • Compared 52 schizophrenia patients and 53 controls using the Facial Emotion Selection Test (FEST).
  • Administered the Hinting Task, Social Cognition Screening Questionnaire, and Brief Assessment of Cognition in Schizophrenia (BACS).

Main Results:

  • Schizophrenia patients showed significantly poorer facial emotion perception on the FEST compared to controls.
  • FEST scores positively correlated with BACS attention, Hinting Task, and Social Cognition Screening Questionnaire (SCSQ) verbal working memory and metacognition.
  • Verbal working memory was a significant predictor of facial emotion perception ability in schizophrenia.

Conclusions:

  • Facial emotion perception and certain working memory functions may share cognitive resources.
  • Findings suggest potential targets for cognitive rehabilitation and interventions in schizophrenia treatment.