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Digital Markers of Motor Activity Captured over Smartphone are Associated with Negative Symptoms of Schizophrenia


In this poster you will learn: 

  • Individuals with negative symptoms of schizophrenia often demonstrate altered motor behavior.
  • Traditional clinician assessments of motor behavior have low inter-rater reliability and are not scalable.
  • 21 individuals with schizophrenia and 9 healthy controls were asked to participate in an interactive smartphone assessment over 2 weeks.
  • Videos collected from the front-facing camera during task participation were used to estimate frame-wise head motion using open-source software.
  • Head motion was compared between healthy controls and patients and correlated with PANSS scores.