prodromal psychosis
Early warning signs and attenuated symptoms that may precede the onset of full psychotic episodes.
Full Definition
Prodromal psychosis refers to the early phase of psychotic illness characterized by attenuated positive symptoms, negative symptoms, and functional decline that precede the development of full-threshold psychosis. This period, also known as the clinical high-risk state, presents an opportunity for early intervention to potentially delay or prevent transition to frank psychosis. Prodromal symptoms may include perceptual disturbances, suspicious thoughts, social withdrawal, and cognitive difficulties. Identification relies on specialized assessment tools and clinical criteria such as the Structured Interview for Prodromal Syndromes (SIPS).
Usage
Usage note: Requires specific assessment criteria; not all early symptoms constitute prodromal psychosis.
In Context
- "The early intervention program enrolled individuals meeting criteria for prodromal psychosis based on SIPS assessment." — Program description
- "Transition rates from prodromal psychosis to full psychosis were significantly reduced with cognitive behavioral therapy." — Intervention study results