Can Black-and-White Ruffed Lemurs (Varecia variegata) Solve Object Permanence Tasks?

Authors: Suma Mallavarapu, Bonnie M. Perdue, Tara S. Stoinski, Terry L. Maple

Publication/Journal: American Journal of Primatology

Keywords: black-and-white ruffed lemurs, invisible displacements, object permanence, visible displacements

2013

Using multiple joystick systems in computerised enrichment for captive orangutans

Authors: S. Mallavarapu, M. A. Bloomsmith, C. W. Kuhar, T. L. Maple

Publication/Journal: Animal Welfare

Keywords: animal welfare, automated feeder, computers, enrichment, joystick, orangutans

2013

Object permanence in orangutans, gorillas, and black-and-white ruffed lemurs

Authors: Suma Mallavarapu

Publication/Journal:

Keywords: *animal cognition, animal behavior, cognition, cognition in animals, comparative cognition, dissertation/thesis, non-human primates, object concept, object permanence, primates, psychology-comparative, recognition (psychology)

2009