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Capturing behavioral indicators of persecutory ideation using mobile technology.

Benjamin Buck1, Kevin A Hallgren2, Emily Scherer3

  • 1Health Services Research & Development, Puget Sound VA Healthcare System, Seattle, WA, USA; Department of Health Services, School of Public Health, Univ. of Washington, Seattle, WA, USA; Behavioral Research in Technology and Engineering (BRiTE) Center, Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, USA.

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Summary
This summary is machine-generated.

Mobile health technology can detect changes in behavior linked to persecutory ideation (PI) in individuals with schizophrenia spectrum disorders. Passive sensing reveals reduced travel and social interaction may indicate increased PI risk.

Keywords:
ParanoiaPsychosisTechnologymHealth

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Area of Science:

  • Psychiatry
  • Digital Health
  • Behavioral Science

Background:

  • Existing measures for persecutory ideation (PI) are limited by infrequent assessments.
  • Mobile health (mHealth) offers potential for continuous monitoring of PI.
  • Passively sensed behavioral indicators of PI are not well understood.

Purpose of the Study:

  • To investigate passively sensed behavioral indicators associated with PI in schizophrenia spectrum disorders.
  • To explore the utility of mHealth for assessing PI dynamics.

Main Methods:

  • Sixty-two participants with schizophrenia spectrum disorders used smartphones for momentary assessments of PI.
  • Smartphones passively collected behavioral data over one year.
  • Data analyzed for associations between PI and behavioral changes.

Main Results:

  • PI was prevalent (82% of sample) but infrequently reported per assessment (25.2%).
  • PI correlated with decreased distance traveled, vehicle time, outgoing call duration, and time near speech.
  • PI also correlated with increased time spent sitting still.

Conclusions:

  • Passively sensed behavioral changes, such as reduced mobility and social interaction, may indicate PI.
  • mHealth passive sensing shows promise for detecting PI-related behavioral shifts.
  • These behavioral constructs may represent risk factors for persecutory ideation.