machine again (dreamachine) - a flickering strobe device, which reproduces the visual stimuli. Artist Brian Geesin (Brion Gysin) and scientist Ian Zommervil (Ian Sommeville) have created a machine again after reading a book by William Grey Walter (William Grey Walter), «Brain Alive» (The Living Brain).
In its original form Machine Dreams is a cylinder with a cut on the sides. The cylinder is placed on a disc record player, and rotates at a speed of 78 or 45 complete revolutions per minute.
In the center of the cylinder is suspended from a glowing ball, and the speed allows light to pass out of the cracks in the cylinder at a constant frequency equal to 8-13 flashes per second. This frequency is directly in line with alpha waves, electrical oscillations present in the normal state of human мозге в период расслабления.
На Машину Снов «смотрят» с закрытыми глазами: пульсирующий свет стимулирует зрительный нерв и изменяет электрические fluctuations in the brain. The observer "sees" in front of the closed eyelids the color combination with increasing brightness. Color, swirling, get forms and symbols as long as the observer does not feel surrounded by the color of the composition. It is believed that the observation of the rotation machine again can enter into a hypnotic state, and to see a dream does not even fall asleep.
This condition can sometimes be very intense, but to get out of it, you just open your eyes. (Www.mindmachine.ru)