Around lunch time, Kathryn hears that pizza is being served at a dining hall across campus. Because Kathryn is both motivated to eat the pizza and enjoys eating pizza, she decides to walk a far distance to obtain it. The motivation for wanting the pizza may be related to _______, while the liking of the pizza may be related to ________. Group of answer choices Altruism; Delay discounting Delay discounting; Self control Dopamine signals; Endogenous signals Endogenous signals; Dopamine signals