AP PSYCHOLOGY

Detailed explanation-1: -These side-effects are symptomatic of Parkinson’s disease, a condition caused by low levels of dopamine. At this point, it became clear that schizophrenic symptoms may be linked to high levels of dopamine or hyperdopaminergia however the causes were unclear at this time.

Detailed explanation-2: -Hyperdopaminergia: This refers to higher than usual levels of dopamine in the subcortex (central areas of the brain). This is linked with positive symptoms such as hallucinations. There may be a higher number of dopamine receptors, causing over-activity of dopamine, causing sensory hallucinations.

Detailed explanation-3: -Having too much dopamine-or too much dopamine concentrated in some parts of the brain and not enough in other parts-is linked to being more competitive, aggressive and having poor impulse control. It can lead to conditions that include ADHD, binge eating, addiction and gambling.

Detailed explanation-4: -There are two types of schizophrenia symptoms that an excess of dopamine may cause: positive and negative. Positive symptoms include delusions and hallucinations. Negative symptoms include a decrease in social activity, emotional range, and cognitive function.