knee-jerk reaction. Fig. an automatic or reflex reaction; an immediate reaction made without examining causes or facts. With one of his typical knee-jerk reactions, he said no immediately, citing some moral argument that no one understood. See also: reaction.
What did you see when the patients head was rolled to the opposite side? In horizontal canal BPPV, you should have seen a direction change. When the horizontal nystagmus is geotropic, the BPPV is suspected to be canalithiasis, occurring on the side with the more intense nystagmus.
Horizontal Social Mobility. Horizontal mobility one of the types of mobility, is the straight change from left to right or right to left. In horizontal mobility to place is changed but the social position of an individual remains on the same level. For example; when a lecture is transferred from one government college to another with the same grade or pay scale and as a teacher is horizontal mobility.