浪漫（右图）：热恋的情侣在想到浪漫时，中脑（图中未显示）的腹侧被盖区活动明显，可卡因和巧克力也可以刺激这部分。

ROMANCE (right): In newly-in-love couples, romantic feelings light up the ventral tegmental area in the midbrain (not shown) — also activated by cocaine and chocolate.

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腹侧被盖区是存在多巴胺神经元的中脑神经核团。

The VTA is a nucleus in the midbrain where dopamine neurons are located.

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观察痴呆模型组、对照组及老年组大鼠中脑腹侧被盖区(VTA)及黑质(sn)多巴胺能神经元的形态学变化，并定量分析。

To study the morphologic changes of dopaminergic neurons in VTA and SN in the dementia model group, control group and the old group, and to analyse the result concluded by image analysing system.

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