A theoretical approach to animal's impulsive preference: Impulsive choice behavior is interpreteded as a result of reward-maximization failure. - Yoshiya Yamaguchi; Yutaka Sakai (SCIS&ISIS, 2012)

Reinforcement learning for discounted values often loses the goal in the application to animal learning. - Yoshiya Yamaguchi; Yutaka Sakai (Neural Networks, 2012)

Immediate return preference emerged from a synaptic learning rule for return maximization. - Yoshiya Yamaguchi; Takeshi Aihara; Yutaka Sakai (Neural Networks, 2015)