Final Report Covering the Period January 1974 through February 1975 PERCEPTUAL AUGMENTATION TECHNIQUES Part Two: Research Report BY: HAROLD E. PUTHOFF and RUSSELL TARG Electronics and Sioengineering Laboratory Classification Determination Pending. Protect as though classified SECRET. Certain individual pages of this document are UNCLASSIFIED. However, the association and com- pilation of this material may indicate defense information, the unauthorized disclosure of which could reasonably be expected to cause serious damage to the national security; hence, an overall classification of SECRET is warranted. This document consists of 153 pages. Copy No. ....... STANFORD RESEARCH INSTITUTE Menlo Park, California 94025 - U.S.A.