What term is used to describe behaviors that should not be present in a person and are associated with excess dopamine in the mesolimbic pathway?

The term that describes behaviors that should not be present in a person and are associated with excess dopamine in the mesolimbic pathway is "Positive symptoms." These symptoms reflect an excess or distortion of normal functions. They can include hallucinations, delusions, and disorganized thinking, often seen in conditions like schizophrenia.

In the context of schizophrenia, positive symptoms result from hyperactivity in the mesolimbic dopamine pathway, leading to the manifestation of these abnormal behaviors. This is in contrast to negative symptoms, which reflect a reduction or loss of normal emotional and behavioral functions, such as flat affect, social withdrawal, and lack of motivation. Understanding this distinction is crucial for diagnosing and treating psychiatric disorders effectively.

Other terms like "adverse reactions" pertain to negative side effects of medications, and "extrapyramidal effects" refer specifically to movement disorders caused by antipsychotic drugs, neither of which accurately describes the behaviors associated with excess dopamine in the mesolimbic pathway.