1. the pituitary, as a transformer, may also step up these diffused currents of physical and animal will and desire, raising them into the aspiring mental-spiritual will and desire, as when the high adepts concentrates his whole consciousness upon attaining spiritual vision and knowledge. when the focused power of the active pituitary is directed to the higher psychic levels, its influence, through radiated wave-energy, reaches the pineal gland which responds with spiritual clairvoyance. ıf, however, the increased activity is upon the lower astral levels, the effects are distorted and misleading. the pituitary being closely connected with the optic and other sensory nerves, and with the important nerve centers, its enlargement or uncontrolled, abnormal activity often give rise to strange hallucinations of vision, hearing, etc. this explains the bizarre sights, sounds, odors, or what not, which are so real to the sufferers from brain fever, delirium tremens, insanity, epilepsy, and some other disorders