TY - CHAP
T1 - Using a computerized testing system to investigate the preconceptual self in nonhuman primates and humans
AU - Jorgensen, Matthew J.
AU - Suomi, Stephen J.
AU - Hopkins, William D.
N1 - Funding Information:
Financial support was generously provided by grant NS-29574 to WDH, grant RR-00165 to the YRPRC, and a Predoctoral IRTA Fellowship from NICHD to MJJ. The authors would like to thank Mindy Babitz, Stacey Bales, Laura Empey, Charles Hyatt, Ellen Johnson, Lynn Rousseau, and Brandi Woods for help in collecting the data. A portion of these findings was presented at the 17th Annual Meeting of the American Society of Primatologists, Seattle, Washington, July 27–31, 1994. Correspondence concerning this chapter should be sent to Matthew J. Jorgensen, Division of Behavioral Biology, Harvard Medical School, New England Regional Primate Research Center, One Pine Hill Drive, P. O. Box 9102, Southborough, MA, 01772–9102.
PY - 1995/1/1
Y1 - 1995/1/1
N2 - This chapter investigates the preconceptual self in nonhuman primates and humans using computerized testing system. The mark test clearly has been one of the most important tools used in the study of self-recognition. The chapter discusses procedures employed for investigating the antecedents of self-recognition in nonhuman primates. The results of preliminary experiments suggest that chimpanzees, young children, and adults are able to recognize which image they control on the computer screen. The capuchin monkeys, on the other hand, appear to be either unable to recognize which image they control or else are unable to properly use that knowledge to complete the task. The performance of the capuchins was most strongly affected by the efficiency of the computer-controlled image, which suggests that they may need more time in order to assess which image they control. The methods described provide a useful alternative means for assessing the preconceptual self in both humans and nonhumans. The competitive CHASE task requires the subjects to: 1) recognize which image they control; and 2) rapidly act upon that knowledge before the computer-controlled image (CCI) contacts the target first.
AB - This chapter investigates the preconceptual self in nonhuman primates and humans using computerized testing system. The mark test clearly has been one of the most important tools used in the study of self-recognition. The chapter discusses procedures employed for investigating the antecedents of self-recognition in nonhuman primates. The results of preliminary experiments suggest that chimpanzees, young children, and adults are able to recognize which image they control on the computer screen. The capuchin monkeys, on the other hand, appear to be either unable to recognize which image they control or else are unable to properly use that knowledge to complete the task. The performance of the capuchins was most strongly affected by the efficiency of the computer-controlled image, which suggests that they may need more time in order to assess which image they control. The methods described provide a useful alternative means for assessing the preconceptual self in both humans and nonhumans. The competitive CHASE task requires the subjects to: 1) recognize which image they control; and 2) rapidly act upon that knowledge before the computer-controlled image (CCI) contacts the target first.
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U2 - 10.1016/S0166-4115(05)80014-7
DO - 10.1016/S0166-4115(05)80014-7
M3 - Chapter
AN - SCOPUS:77956749827
T3 - Advances in Psychology
SP - 243
EP - 256
BT - Advances in Psychology
ER -