多巴胺在攻击行为中的作用充满了矛盾。传统观念认为，多巴胺的释放会激发个体的行动能力，但现实却更为复杂。例如，某些增加多巴胺水平的药物（如苯丙胺和甲基苯丙胺）在高剂量下可能引发更具侵略性的行为。然而，这种效应并非恒定，还受到剂量、行为背景以及个体经验等 ...

大脑的奖赏系统与动机、情感和成瘾行为密切相关。传统研究认为，奖赏效应主要由大脑的腹侧被盖区（VTA）和伏隔核（NAc）等区域调控。然而，近年来的研究逐渐揭示，其他脑区也可能在奖赏机制中发挥重要作用。

The ventral tegmental area contains, among others, cells that produce dopamine. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...

In experiments in rodents, a team led by researchers at NYU Langone Health boosted activity in dopamine-releasing cells in a part of the brain called the ventral tegmental area. The findings revealed ...

Dr. Root joined the Department of Psychology and Neuroscience in 2018 and aims to identify how the brain's reward center, the ventral tegmental area (VTA), participates in reward, aversion, addiction, ...