Sensitivity to first-order relations of facial elements in infant rhesus macaques

Annika Paukner, Seth Bower, Elizabeth A Simpson, Stephen J. Suomi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Faces are visually attractive to both human and nonhuman primates. Human neonates are thought to have a broad template for faces at birth and prefer face-like to non-face-like stimuli. To better compare developmental trajectories of face processing phylogenetically, here, we investigated preferences for face-like stimuli in infant rhesus macaques using photographs of real faces. We presented infant macaques aged 15-25days with human, macaque and abstract faces with both normal and linear arrangements of facial features and measured infants' gaze durations, number of fixations and latency to look to each face using eye-tracking technology. There was an overall preference for normal over linear facial arrangements for abstract and monkey faces but not human faces. Moreover, infant macaques looked less at monkey faces than at abstract or human faces. These results suggest that species and facial configurations affect face processing in infant macaques, and we discuss potential explanations for these findings. Further, carefully controlled studies are required to ascertain whether infant macaques' face template can be considered as broad as human infants' face template.

Original languageEnglish (US)
Pages (from-to)320-330
Number of pages11
JournalInfant and Child Development
Volume22
Issue number3
DOIs
StatePublished - May 2013
Externally publishedYes

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Macaca mulatta
Macaca
Haplorhini
Primates
Parturition
Newborn Infant
Technology

Keywords

  • Eye tracking
  • Face perception
  • First order relations
  • Infant
  • Rhesus macaque

ASJC Scopus subject areas

  • Developmental and Educational Psychology

Cite this

Sensitivity to first-order relations of facial elements in infant rhesus macaques. / Paukner, Annika; Bower, Seth; Simpson, Elizabeth A; Suomi, Stephen J.

In: Infant and Child Development, Vol. 22, No. 3, 05.2013, p. 320-330.

Research output: Contribution to journalArticle

Paukner, Annika ; Bower, Seth ; Simpson, Elizabeth A ; Suomi, Stephen J. / Sensitivity to first-order relations of facial elements in infant rhesus macaques. In: Infant and Child Development. 2013 ; Vol. 22, No. 3. pp. 320-330.
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