We suggest that the data reported by Washburn and Hopkins in their comment on our demonstration of the efficacy of live-video reward of joystick tasks supports, rather than impeaches, our earlier findings.
References
1.
AndrewsM. W.RosenblumL. A. (1993) Live-social-video reward maintains joystick task performance in bonnet macaques. Perceptual and Motor Skills, 77, 755–763.
2.
WashburnD. A.HopkinsW. D. (1994) Videotape- versus pellet-reward preferences in joystick tasks by macaques. Perceptual and Motor Skills, 78, 48–50.
3.
WashburnD. A.RumbaughD. M. (1992) Investigations of rhesus monkey video-task performance: Evidence for enrichment. Contemporary Topics, 31, 6–10.
