Differential behavior patterns in cynomolgus monkey Macaca fascicularis in home cage in response to human gaze

Hong Zou, Yi Luan, Ming Liu, Lynn A. Agre, Steven Buyske, Qinglian Xie, Zhiheng Cheng, Guoping Zhao, Meilei Jin, Ning Guo, Gang Jason Jin, Lei Yu

Research output: Contribution to journalArticle

Abstract

Background: Non-human primates, when encountering human beings, show wariness and alertness. These behaviors differ when there is direct human gaze vs. when human averts his gaze. Methods: We observed cynomolgus monkey in their home cage and studied their behaviors in response to human gaze. Four behaviors were analyzed: opening mouth, staring at observer, agitated activity, and approaching observer. Results: Three behaviors appeared to be sensitive to human gaze between when the human observer gazed at the monkey and when the human observer looked away. Individual animals also displayed subpatterns of responses to human gaze. Conclusions: These results indicate that, even in their home cage, monkeys display a heightened level of awareness when gazed upon by a human observer, suggesting that human gaze may elicit emotional reactions. Further, under the human gaze, distinct behavioral subpatterns were apparent within the monkey cohort in our study, indicative of subgroups within the cohort.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalJournal of medical primatology
Volume44
Issue number1
DOIs
StatePublished - Feb 1 2015

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology
  • veterinary(all)

Keywords

  • Monkey
  • Non-human primates
  • Response to human gaze

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