The hypothesis tested is that the texture characteristics of targets intermittently exposed below fusion frequency influence brightness. The data are interpreted in relation to the concept of “cortical excitability cycles” as proposed by Bartley.
*Read before the Annual Meeting of the American Academy of Optometry, Philadelphia, Pennsylvania, December 16, 1969. For publication in the November, 1970, issue of the American Journal of Optometry and Archives of American Academy of Optometry.
This research was supported by NRC Grant APA 145.
†Psychologist, Ph.D., Member of Faculty.
© 1970 American Academy of Optometry