Biological Basis

Question 1

Biological influences of schizophrenia

Answer 1

Genetic factors, birth trauma, marijuana use, family

history. Excess dopamine in brain

Question 2

Biological causes of depression

Answer 2

Increased glucocorticoids, decreased norepinephrine, serotonin, and dopamine

Question 3

Alzheimer’s genetic factors

Answer 3

Brain atrophy, decrease in acetylcholine, senile plaques of beta amyloid

Question 4

Biological factors triggering Parkinson’s

Answer 4

Bradykinesia, resting tremor, pill rolling tremor, masklike facies, cogwheel rigidity, and shuffling gait. low dopamine levels