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.
Yips or the yips is the loss of fine motor skills in athletes. The condition occurs suddenly and without apparent explanation usually in mature athletes with years of experience. It is poorly understood and has no known treatment or therapy. Athletes affected by the yips sometimes recover their ability, which may require a change in technique.