Neuro-linguistic programming (NLP) is an approach to communication, personal development created by Richard Bandler . Its creators claim a connection between the neurological processes ("neuro"), language ("linguistic") and behavioral patterns learned through experience ("programming") and that these can be changed to achieve specific goals in life.

3712292	METHOD AND APPARATUS FOR PRODUCING SWEPT FREQUENCY-MODULATED AUDIO SIGNAL PATTERNS FOR INDUCING SLEEP	January, 1973	Zentmeyer, Jr.	600/28
3393279	Nervous system excitation device	July, 1968	Flanagan	128/420.5
3278676	Apparatus for producing visual and auditory stimulation	October, 1966	Becker	358/142
3060795	Apparatus for producing visual stimulation	October, 1962	Corrigan et al.	352/131