input: [Question] Isn't transcendental consciousness just a metaphysical state? [Full Response] Is TC just a metaphysical state? (click here ) [Short Response] 
output: Extensive research shows that transcendental consciousness is a unique neurophysiological state of restful alertness, referred to by physiologists as a wakeful hypometabolic state, characterized by decreased metabolic activity together with increased EEG coherence. Recent research has distinguished transcendental consciousness from other states during meditation.