MODERN SLEEP-LEARNING: Page 111

speed allows more than adequate fidelity for voice, and its slowness enables a great deal more study material to be placed on the tape. When determining the correct pillow or bone conduction speaker to use with the available recorder, two things must be emphasized: the insertion of the speaker plug must shut off the recorder's speaker, otherwise both speakers will play, and the resultant effect will negate the required effect; and, of equal importance—the components used with the recorder must be carefully matched. A mismatching of pillow speaker and recorder will cause distortion, and distortion has been found to be a disturbance which might create a barrier against sleep learning. The sleep-learning tape machine can be equipped with additional speakers, simply by installing a "Y" jack into the tape output. These are available in most local radio service stores. Relaxation affirmations can either be recorded on a separate tape, or on the same tape as the study material. After some practice in sleep-study, when the student is aware of his psychological acceptance of the recorded messages, it will not be necessary to use the relaxation affirmations; the information itself will beat a direct path to the subconscious. Many companies offer both phonograph and tape equipment with all necessary accessories for the sleep-learner. They also have available numerous pre-recorded tapes and records of educational and therapeutic material. Three steps are advised in some record courses. The