prodrome
- n an early symptom that a disease is developing or that an attack is about to occur
- McGorry was tantalized by the idea that psychotic disorders such as schizophrenia have a pre-onset phase, or prodrome, during which careful intervention could prevent them from .
- The theory behind pace's research is that psychosis has a pre-onset phase, or prodrome, lasting a year or more, during which careful intervention could prevent its development.