Final answer:
Dopamine is a neurotransmitter that affects various aspects of brain function including pleasure, addiction, movement, and motivation. Balanced dopamine transmission is important for cognitive processes such as decision-making, judgment, and attention. Imbalances in dopamine levels are associated with conditions like drug addiction and schizophrenia.
Step-by-step explanation:
Dopamine is a neurotransmitter that has been linked to various effects in the brain. It is involved in feelings of pleasure, addiction, movement, and motivation. Studies have shown that balanced dopamine transmission is important for correct modulation of cognitive processes, including decision-making, judgment capacity, working memory, attention, and impulsivity. Imbalances in dopamine levels have been implicated in conditions such as drug addiction schizophrenia, anxiety, mood disorders, and even gambling addiction.