Light & Sound






Using Light & Sound for Accelerated Learning

Light and sound stimulation is a powerful aid to learning. The proof is based primarily on the work of one visionary researcher and clinician, Dr. Rayma Ditson-Sommer of Arizona State University.

Although many devices claim to deliver learning benefits, Dr. Ditson-Sornmer h s long sought to distinguish the approaches that yield powerful results from those that do not.

Here we list the very tapes and light/sound equipment Dr. Ditson-Sommer herself uses.

The Personal Learning Instrument (PLI)

This light/sound machine contains 15 programs created by Dr. Rayma Ditson-Sommer that have been tested and tuned for effectiveness in supporting learning processes.


15 programs, including Comforting Calmness, Listen and Learn, "Creativity Enhancement,'' "Deep Sleep" and more
An audiotape by Dr. Rayma Ditson-Sommer featuring music for learning on one side, relaxation on the other

       Simple operation - select a program and play it
       Pitch adjustment available during program
       Thumb wheel control of sound volume and light intensity
       Sounds include pulsed tones, pink noise and true binaural beats
       True sine wave sound, unusual in a low cost system but essential for binaural beats
       Ramping of sound volume and light intensity for gentle on- off transitions
       Automatic shutoff after 10 minutes of no activity

What you get:

System unit including rechargeable NiCad batteries, AC adapter, goggles with 4 red LEDs/eye, headphones, stereo cord for connecting to tape player, user
manual, Learning/ Relaxation audio tape, 1 year warranty.

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