Biological explanations AO3

Genetic explanation is biologically deterministic 

Genetic explanation is difficult to separate the impact of nature and nurture 

Family studies conducted retrospectively 

Dopamine hypothesis is too simplistic 

Dopamine hypothesis has practical applications 

Research evidence for sufferers having more dopamine receptors

Dopamine abnormalities not present in all sufferers 

Enlarged ventricles only explain certain symptoms 

Research into role of enlarged ventricles is inconclusive 

No cause and effect relationship can be established 

Research shows brain damage is present at the beginning of schizophrenia but gets worse as schizophrenia develops