title: Investigations of rhesus monkey video-task performance:  evidence for enrichment.
authors.affiliation: Sonny Carter Life Sciences Laboratory, Georgia State University, Atlanta 30303, USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Washburn
authors.forename: D M
authors.initials: DM
authors.lastname: Rumbaugh
mesh_terms: D000827:Animal Welfare; D000818:Animals; D003201:Computers; D004032:Diet; D004779:Environment Design; D005247:Feeding Behavior / Q000523:psychology*; D005260:Female; D007756:Laboratory Animal Science / Q000379:methods*; D008253:Macaca mulatta; D008297:Male; D011581:Psychological Tests; D012984:Software; D013647:Task Performance and Analysis; D014743:Videotape Recording