LSD affects the gating process—so much more information is sent to the cortex to be processed.
Brain death implies the complete and permanent absence of neurological function in the cortex and the brainstem.
cortex cor·tex (kôr'těks')
n. pl. cor·tex·es or cor·ti·ces (-tĭ-sēz')
The outer layer of an internal organ or body structure, as of the kidney.
The cerebral cortex.
An experimental slow controls project at CERN.