Consciousness is controlled by activation of the ascending reticular activating system(ARAS).The ARAS consists mainly of the lower and upper parts between the thalamus and cerebral cortex(Edlow et al.,2012;Yeo et al.,2013;Jang et al.,2014).Because the ARAS is composed of several neuronal circuits connecting the brainstem to the cortex.These neuronal connections begin from the reticular formation(RF)of the brainstem and the in-
展开▼