중추 신경계에서 신경 전달 물질로 작용하며 운동 제어, 동기 부여, 보상 체계 등에 관여하는 화합물.
A chemical substance in the brain that acts as a neurotransmitter, playing a critical role in reward-motivated behavior, motor control, and emotional regulation.
예문:
"Low levels of dopamine are often associated with depression and a lack of motivation."
"The brain's reward system releases dopamine in response to satisfying activities."
"Certain medications work by mimicking the effects of dopamine in the nervous system."