Top definition. matrix. a term describing a controlled environment or situation in which people act or behave in ways that conform to roles pre-determined by a powerful person(s) who decides how the world is supposed to function.
Akathisia is a movement disorder characterized by a feeling of inner restlessness and a compelling need to be in constant motion, as well as by actions such as rocking while standing or sitting, lifting the feet as if marching on the spot, and crossing and uncrossing the legs while sitting.
Recognizing akathisia â a feeling of restlessness or anxiety, can be somewhat tricky for two main reasons. The first is that the visible symptoms overlap with a number of other movement disorders that can be caused by various physical or psychological conditions.