Determinants of Health | Latest 2026 Update
with complete solutions.
What is schizophrenia? - answer-A psychotic disorder where people lose their sense of
reality, affecting 1% of the population.
What is the dopamine hypothesis in relation to schizophrenia? - answer-It suggests that
the dopamine system is overactive, with high levels of dopamine binding to receptors.
What are common symptoms of schizophrenia? - answer-Hallucinations, thought
disturbances, disorganized speech, catatonic behavior, and delusions.
What brain dysfunctions are associated with schizophrenia? - answer-Less blood flow in
the frontal lobe and reduced volume of the hippocampus.
What is the social drift theory regarding schizophrenia? - answer-The stigma associated
with schizophrenia may worsen the condition, leading to withdrawal from society and
further deterioration of mental health.
What are the limitations of the biological theory of schizophrenia? - answer-It ignores
the role of upbringing and life events and is reductionist, focusing too much on brain
abnormalities.
What was the aim of Daniels et al. (1991) study on amphetamines and schizophrenia? -
answer-To see whether amphetamines affect prefrontal cortex (PFC) and Wisconsin
Card Sort Test (WCST) performance.
What were the findings of the Daniels et al. (1991) study? - answer-Amphetamines
increased the ability of the prefrontal cortex to focus in the WCST, with no difference in
the BAR task.
What is clinical depression? - answer-A mood disorder characterized by persistent
feelings of sadness over a long period.
What are key debates surrounding clinical depression? - answer-Nature vs. nurture,
reductionism vs. holism, and free will vs. determinism.
What are common symptoms of clinical depression? - answer-Low mood, feelings of
hopelessness, low self-esteem, lack of motivation, and suicidal thoughts.