Detail Information
Publications
Capuchin monkey (Cebus apella) grips for the use of stone toolsG C Westergaard
Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, Poolesville, Maryland 20837, USA
Am J Phys Anthropol 103:131-5. 1997....
Hand preference in infant rhesus macaques (Macaca mulatta)G C Westergaard
Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, National Institutes of Health Animal Center, Poolesville, MD 20837, USA
Child Dev 68:387-93. 1997....
Effects of upright posture on hand preference for reaching vs. the use of probing tools by tufted capuchins (Cebus apella)G C Westergaard
Am J Primatol 44:147-53. 1998..We speculate that this moderate bias may have been pushed in the direction of nearly exclusive right-hand preference in most humans with the development of complex tool use...
Why some capuchin monkeys (Cebus apella) use probing tools (and others do not)G C Westergaard
Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, Poolesville, Maryland 20837, USA
J Comp Psychol 112:207-11. 1998..Thus, it appears that capuchins most readily acquire tool use before the age of 10 years and that early disruption of the mother-infant relationship has deleterious effects on the emergence of instrumental behavior...
Lateral bias for rotational behavior in tufted capuchin monkeys (Cebus apella)G C Westergaard
Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, Poolesville, Maryland 20837, USA
J Comp Psychol 110:199-202. 1996....
