Detailed text transcripts for TV channel - FOXNEWS - 20151110:12:38:00
Obviously in the human brain, dopamine is in high concentration, it is a neurotransmitter. its primary role is movement. >> so you naturally have dopamine in your system? >> absolutely. and it will elevate in response to a natural reward. >> okay. >> so in the picture with the normal brain -- >> right. normal brain you're looking at receptors that dopamine binds to. >> because there's a little extra red in there. >> you're just looking at the colors the reds and the blues. what you see in the chronic heroin abuser over here on the right, over time, because you're elevating dopamine levels so h...
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