Dopamine signatures of excessive and compulsive cocaine and fentanyl use
Ke Chen, Hao Zheng, Gabrielle Sevrain, Wenxi Xiao, Charlotte Wang, Akili Sundai, Ila Fiete, Fan Wang
The paper examines dopamine dynamics during cocaine and fentanyl self-administration in mice, identifying distinct patterns and developing a computational model to explain compulsive behavior.
bioRxiv · Jan 20, 2026 · PreprintNeuroscience