Conversely , flies that had been spurned whose neuropeptide f was increased boozed less .
相反地，那些被拒绝的雄性果蝇由于大脑中神经肽f的含量增多，酒的饮用量变少了。
Levels of neuropeptide y are lower in people who are depressed and have post-traumatic stress disorder .
忧伤或者是创伤后应激障碍的人，大脑中神经肽y的含量很低。
The researchers then lowered the amount of neuropeptide f in the brains of mated flies and found that they acted as though they had been rejected , drinking more .
Other possible and intriguing sources of nutritional effects on mood involve cholecystokinin ( cck ) , the most abundant neuropeptide in our cerebral cortex and limbic system .
Male flies that mated were less likely to drink the alcohol solution than either virgin or rebuffed ones , and had higher levels of neuropeptide f in their brains , the research showed .
