| Attenuated Psychotic Symptoms (APS) |
Any positive symptom (P1-P5) score between 3–5 |
Development or increase by 1 point in severity within the past year |
Average frequency of at least once per week in the past month |
| Brief Limited Intermittent Psychotic Symptoms (BLIPS) |
Any positive symptom (P1-P5) score = 6 |
Development or increase within the past 3 months |
Several minutes a day 4 days/week for 1 month |
| Genetic Risk + Functional Decline (GRFD) |
Presence of a genetic risk factor (family history of psychosis; schizotypal personality disorder of person) in combination with a recent significant decline in psychosocial functioning |
