The brain is the most mysterious part of the human body. People have never stopped exploring the brain, especially the human anatomy: from the previous brain specimens to the plastinated neuroanatomy specimens. The most interesting discovery about our brain is the Ventral Tegmental Area of Tsai.
VTA of Tsai is close to the substantia nigra and red nucleus. Scientists believe that this area is part of the reward circuit system, and it also handles many emotions and feelings of security, so it may be related to avoidance and fear-conditioning. Think about it, our addiction, joyful stimulation, fear and other emotions may be all because of VTA of Tsai, is it very interesting.