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Measuring catatonia motor behavior with objective instrumentation.

Sofie von Känel1, Niluja Nadesalingam1,2, Danai Alexaki3

  • 1Translational Research Center, University Hospital of Psychiatry, University of Bern, Bern, Switzerland.

Frontiers in Psychiatry
|September 5, 2022
PubMed
Summary
This summary is machine-generated.

Objective actigraphy measurements correlate with catatonia symptoms in schizophrenia patients. Specific symptoms like immobility/stupor and staring can be detected, aiding clinical assessment.

Keywords:
BFCRSactigraphymotor abnormalitiespersonalized medicineschizophrenia

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Area of Science:

  • Neuroscience and Psychiatry
  • Psychomotor Behavior Analysis
  • Biomedical Engineering

Background:

  • Catatonia is a neuropsychiatric syndrome characterized by psychomotor disturbances, often associated with schizophrenia spectrum disorders.
  • Current catatonia assessment relies on subjective clinical rating scales and expert examination.
  • Objective instrumentation is needed to enhance the detection and monitoring of catatonia.

Purpose of the Study:

  • To investigate the relationship between actigraphy-derived movement parameters and expert-rated catatonia symptoms.
  • To explore the utility of objective actigraphy in quantifying catatonia severity.
  • To assess if specific catatonia symptoms can be objectively measured using actigraphy.

Main Methods:

  • Eighty-six acutely ill inpatients with schizophrenia spectrum disorders were enrolled.
  • Participants underwent 24-hour continuous actigraphy and were assessed using the Bush Francis Catatonia Rating Scale (BFCRS) and the Northoff Catatonia Scale (NCS).
  • Spearman's rank correlation and non-parametric ANCOVAs were used to analyze associations between actigraphy data and catatonia scores.

Main Results:

  • Higher total scores on both BFCRS and NCS were significantly associated with lower overall activity levels (AL).
  • Specific catatonia symptoms, including immobility/stupor and staring, were linked to reduced AL and lower metabolic equivalents of task (MET).
  • The study identified significant correlations between objective movement parameters and subjective symptom ratings.

Conclusions:

  • Actigraphy can objectively measure specific catatonia symptoms, such as immobility/stupor and staring.
  • Objective actigraphy data shows a significant association with established clinical rating scales for catatonia.
  • Actigraphy holds potential for aiding the detection, staging, and monitoring of catatonia in clinical settings.