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Related Experiment Video

Updated: Jun 27, 2025

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Visual Preference for Socially Relevant Spatial Relations in Humans and Monkeys.

Nicolas Goupil¹, Holly Rayson¹, Émilie Serraille¹

¹Institut des Sciences Cognitives Marc Jeannerod, Bron, France; Centre National de la Recherche Scientifique (CNRS), Paris, France; and Université Claude Bernard Lyon 1.

Psychological Science

|April 29, 2024

Summary

This summary is machine-generated.

Humans and macaques prefer looking at figures facing each other, suggesting this "facingness" signals social value and aids social cognition development. This preference emerges early in human development.

Keywords:

evolutionary psychology eye tracking infant cognition open data open materials scene perception social cognition visual predispositions

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Area of Science:

Cognitive Science
Developmental Psychology
Comparative Psychology

Background:

Body orientation, particularly facing towards an observer, captures attention.
The social significance of 'facingness' between individuals, beyond egocentric perception, is not well understood.

Purpose of the Study:

To investigate whether facing body orientations between two individuals elicit preferential attention.
To explore the social semantic value attributed to facing dyads.
To examine the developmental trajectory and cross-species prevalence of this preference.

Main Methods:

Preferential looking time paradigm with human adults and juvenile macaques.
Social semantic rating tasks for human adults.
Developmental assessment across human age groups (7 months to 5 years).

Main Results:

Human adults and juvenile macaques spontaneously preferred looking at dyads facing each other over those facing away.
Facing dyads were perceived as having higher social value.
The preference for facing dyads emerged by 5 years in humans, with earlier discrimination of body positioning evident at 7 months.

Conclusions:

Facingness between individuals is a salient social cue with inherent social value, recognized across species and developmental stages.
This preference may represent a foundational element of social cognition, facilitating the processing of third-party social interactions.
The findings suggest a significant milestone in understanding social attention and cognition development.