Prya has classically conditioned young Raj to suck when Prya touches Raj's stomach during feeding. If Prya repeatedly touches Raj's stomach without feeding him, Raj will
◦ gradually stop sucking in response to having his stomach touched.
◦ learn to suck without having his stomach touched.
◦ stop eating until Prim touches his stomach and feeds him again.
◦ increase his level of sucking in response to having his stomach touched.