Douglas Eby [M.A. / Psychology] is author of the main site Talent Development Resources, and is a writer and researcher in the areas of gifted adults and the psychology of creativity and personal growth.
A flickering candle, the sound of surf, beating drums, psychotropic
plants - those can all be seen as early “devices” for altering mental
states and consciousness. Now, there is a wide range of much more
sophisticated devices, software and smart drugs designed to enhance
awareness and cognitive abilities, which may or may not work.