a stimulus that is just strong enough to elicit a response. unconditioned stimulus. any stimulus that is capable of eliciting an unconditioned response. See also conditioning. unstructured stimulus. an unclear or ambiguous stimulus, the perception of which is influenced to a greater extent by the characteristics of the perceiver than by those of the stimulus.
Yip, YIP, or yips may refer to: Yip (nickname), a list of people. Ye (surname), a Chinese surname also romanized as Yip (è), including a list of people.
Yasopp is a gifted sharp-shooter said to be capable of shooting the legs off an ant at 100 feet without harming the rest of it. He is the father of Usopp and was one of Luffy's favorite members of the Red-Haired pirates.