"Dopamine is considered a neurotransmitter that is crucial for our ability to perceive rewards and to be motivated in our behavior."

VOA: special.2009.09.16

That can be supplied by an antagonist called Aldopa - which is not exactly the same as dopamine, it's slightly different.

这种物质能够由一种拮抗剂,叫做阿多巴转化而来,但它与多巴胺的结构并不完全相同,有一点差别

耶鲁公开课 - 生物医学工程探索课程节选

Another example is in the nervous system, patients that have Parkinson's disease have too little of a natural ligand called dopamine.

另一个例子有关神经系统,帕金森氏病的患者,缺乏一种叫做多巴胺的天然的配体

耶鲁公开课 - 生物医学工程探索课程节选

The decrease in the amount of dopamine can result in one or more of the general signs of Parkinson's.

VOA: special.2009.02.03

The drug L-DOPA increases the supply of dopamine and so there is something to alleviate, at least temporarily, the symptoms of Parkinson's.

左旋多巴这种药可以增加多巴胺的分泌量,所以这种药物,至少可以暂时性地缓解,帕金森症的症状

耶鲁公开课 - 心理学导论课程节选

He says they might be trying to increase their dopamine levels to make up for the deficits in their reward system.

VOA: special.2009.09.16

It turns out when you give Aldopa to people, it gets converted biochemically into natural dopamine which then serves as its own agonist.

已经证明如果向人体中引入阿多巴,它就能通过生化过程转化为多巴胺,发挥激动剂作用

耶鲁公开课 - 生物医学工程探索课程节选

He says they might be attempting to increase their dopamine levels to make up for the deficits in their reward system.

VOA: special.2009.09.29

And one factor in Parkinson's is too little of a neurotransmitter known as dopamine.

引起帕金森症的一个病因,便是严重缺乏一种叫做多巴胺的神经递质

耶鲁公开课 - 心理学导论课程节选

The decrease in the amount of dopamine can result in one or more general signs of Parkinson's disease.

VOA: special.2009.04.07

Neurotransmitters are molecules you've heard of like acetylcholine, like dopamine, like serotonin.

一些神经递质分子 你们可能听说过,像乙酰胆碱,多巴胺,血清素

耶鲁公开课 - 生物医学工程探索课程节选

Doctor Volkow says the dopamine levels were directly related to the severity of the patient's inattention.

VOA: special.2009.09.16

Doctor Volkow says the dopamine levels were directly linked to the severity of the patient's inattention.

VOA: special.2009.09.29

Researchers studied the pathways on which dopamine travels in fifty-three adults with A.D.H.D.

VOA: special.2009.09.29

The cells slowly lose their ability to produce a chemical called dopamine.

VOA: special.2009.04.07

Researchers compared the pathways that transmit dopamine in fifty-three adults with A.D.H.D.

VOA: special.2009.09.16

"There was a lower concentration of dopamine markers in the brain of individuals with A.D.H.D., specifically in the areas of the brain that are involved with reward and motivation."

VOA: special.2009.09.29

Zyban works by increasing levels of dopamine in the brain.

VOA: special.2010.03.09

could be caused by problems in the flow of dopamine.

VOA: special.2009.09.29

Other drugs used to treat Parkinson's disease act like dopamine.

VOA: special.2009.04.07

Dopamine is a chemical that produces pleasure.

VOA: special.2010.03.09