level of activities

level of activities

Etymology: OFr, livel + L, activus
pertaining to the hierarchy of nervous system activity that determines the level responsible for certain functions while also being controlled by a higher level, as in the sequence of events in a reflex action.

level of activities

In the nervous system, the levels corresponding to different stages of development into which connector neurons are grouped: spinal cord level, medullary level, midbrain level, basal ganglial level, and cortical level. Each level is responsible for certain activities but is controlled by the one above it.