Biological explanation: dopamine hypothesis

Question 1

Davis et al

Answer 1

• revised the dopamine hypothesis

Question 2

Randrup and Munkvad

Answer 2

• created schizophrenic like behaviour in a sample of rats by giving them dopamine agonists (amphetamines)
• given them 3 times a day for 6 days
• long lasting abnormalities including being unable to filter out irrelevant sounds (attentional issues)
• effects reversed with antipsychotic medication