40 Hz--middle latency auditory evoked response in comatose patients.
Brain-stem auditory evoked response (BAER) and 40 Hz middle latency auditory evoked response (40 Hz AER) were elicited in 12 comatose patients. The concept of a midbrain generator of 40 Hz AER is being discussed.
D000328:Adult; D001933:Brain Stem / Q000503:physiopathology*; D003128:Coma / Q000503:physiopathology*; D004569:Electroencephalography; D005072:Evoked Potentials, Auditory; D006801:Humans