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.
Geomorphology is defined as the science of landforms with an emphasis on their origin, evolution, form, and distribution across the physical landscape.An understanding of geomorphology and its processes is therefore essential to the understanding of physical geography.is geomorphic cycle model was inspired by theories of uniformitarianism and attempted to theorize the development of various landform features. Today, the study of geomorphology is broken down into the study of various geomorphologic processes.