Key points are not available for this paper at this time.
During the past decade, a number of experimental investigations have pro-gressively revealed the so-called dy-namic, or motivational, aspects of perceptual behavior. No longer do we view perception as organized solely in terms of the structural characteristics of stimulus objects or the frequency with which the individual has been ex-posed to these objects. Perceptions are structured not only with respect to the limiting stimulus conditions, but also with regard to the possibilities of re-ward (11, 12), need fulfillment (1, 7), attitudinal orientation (10), potential
Elliott McGinnies (Sat,) studied this question.