ABSTRACT

From time to time in this book we have referred to the influence of bodily conditions on m ental processes. Some of such influences are m atters of comm on observation; for example, the m ental stim ulation by drinking strong coffee, the various effects of alcohol a t different stages of inebriation, the sedative influence of bromides and other sleep-inducing drugs. As to the influence of m ental processes on bodily conditions, we have already seen th a t under hypnotic suggestion a strong pin-prick m ay not h u rt a t all; and th a t ordinary waking suggestion m ay banish fatigue.