True: One function of dopamine is related to risk taking behaviour, In Snyder’s (1976) original dopamine hypothesis, over sensitivity of dopamine receptors on the post-synaptic neuron causes schizophrenia, The pre-frontal cortex is responsible for decision making, False: In synaptic transmission, dopamine is released from a post-synaptic neuron to a pre-synaptic neuron, In Snyder’s (1976) original dopamine hypothesis, underactivity of dopamine in the mesolimbic system is thought to cause schizophrenia, In the revised dopamine theory, overactivity in the mesocortical pathway in the pre-frontal cortex of the brain is thought to cause schizophrenia, Excess dopamine in the mesolimbic system causes negative symptoms of schizophrenia, Excess levels of dopamine is known as hypodopaminergia, Speech understanding in the Wernickes area can be impacted by excess dopamine levels,

Dopamine Hypothesis

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