QUESTIONS WITH 100% CORRECT
ANSWERS | LATEST VERSION 2025/2026.
Schizophrenia - ANS a chronic/lifelong psychological disorder characterized by and abnormal
interpretation of reality, delusions, hallucinations and disorganized speech/thinking
Risk factors - ANS - family history
- pregnancy and birth complications (malnutrition, exposure to toxins/ viruses)
- taking psychoactive drugs in adolescence
Causes - ANS - genetics (**strong component, immediate family risk = 10%)
- environment
- brain chemistry/abnormal brain structure (abnormal white matter)
- repeated psychotic episodes can result in decreased brain mass and enlargement of vesicles
Brain - basal ganglia - ANS Paranoia and hallucinations
- blockage of dopamine receptors by antipsychotic meds
Brain - frontal lobe - ANS Difficulty in planning actions and organizing thought (problem
solving, higher level reasoning)
Brain - limbic system - ANS Agitation (emotions)
1 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Positive symptoms (responds well to meds) - ANS - delusions (fixed false beliefs)
- hallucinations (perceptual disturbances)
- disorganized speech (incoherent/irrelevant)
- disorganized/abnormal motor behavior (catatonia, holding odd postures)
Brain - auditory systems - ANS Overactivity in Wernicke's area (speech) can create auditory
hallucinations
Brain - occipital lobe - ANS Visual hallucinations, difficulty interpreting complex images,
recognizing motion and reading emotions on peoples face
Brain - hippocampus - ANS Impaired learning and memory formation
Negative symptoms - ANS - least responsive to treatment
- creates morbidity
- lack of motivation
- diminished emotional expression
- alogia
- anhedonia
- asociality
- angosognosia
- slower processing speed
- diminished attention
- diminished memory functions
Delusions - ANS Fixed beliefs that don't change even when presented with evidence to
dispute
- persecutory, referential, somatic, grandiose, erotomatic, religious, nihilistic
2 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED