Psychotic symptoms
Positive and negative symptom domains
Also searched as Positive and negative symptom domains.
Measured by instruments built to catch change in people, not by proxy markers — which is why the evidence here is unusually direct.
In depth
Positive and negative symptoms of psychosis, scored on the standard psychiatric rating scales.
What it drives
It reduces Memory & focus.
In 410 people with Alzheimer's disease evaluated annually for four years, baseline hallucinations were associated with lower cognitive function and predicted a 47% greater average annual decline on a 17-test composite cognitive score after adjustment for baseline cognition, demographics, parkinsonism and antipsychotic use. PMID 10896689
Blends that modulate it
Each blend page names this pathway and carries the study behind its claim.
See it on the map
Open the causal map to follow this pathway upstream and downstream, arrow by arrow, each with its study.