Human Infants Detect Other People's Interactions Based on Complex Patterns of Kinematic Information

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2014 Nov 20

PMID 25409449

Citations 6

Authors

Martyna A Galazka

Laetitia Roche

Par Nystrom

Terje Falck-Ytter

Affiliations

Soon will be listed here.

Abstract

Do infants perceive other people's interactions by means of a mechanism that integrates biological motion information across the observed individuals? In support of this view, the present study demonstrates that infants (N = 28, Age = 14 months) discriminate between point light displays representing disrupted and non-disrupted interactions between people, even though the two interaction types are identical at the level of individual point light agents. Moreover, a second experiment (sample 2: N = 28, Age = 14 months) indicated that visual preference in this context is influenced by an audiovisual integration processes that takes into account the presence of an interaction between people. All these results were found exclusively for upright displays--when stimuli were shown upside-down (disrupting biological motion processing), performance was random. Collectively, these findings point to an important role for biological motion in social perception in human infants.

Citing Articles

Direct and Observed Joint Attention Modulate 9-Month-Old Infants' Object Encoding.

Thiele M, Kalinke S, Michel C, Haun D Open Mind (Camb). 2023; 7:917-946.

PMID: 38053630 PMC: 10695677. DOI: 10.1162/opmi_a_00114.

Recognition of humans from biological motion in infants.

Nakashima Y, Kanazawa S, Yamaguchi M Atten Percept Psychophys. 2023; 85(8):2567-2576.

PMID: 36859538 DOI: 10.3758/s13414-023-02675-8.

Infants' identification of gender in biological motion displays.

Johnson S, Dong M, Ogren M, Senturk D Infancy. 2021; 26(6):798-810.

PMID: 34043273 PMC: 8627186. DOI: 10.1111/infa.12406.

Adults with autism are less proficient in identifying biological motion actions portrayed with point-light displays.

Hsiung E, Chien S, Chu Y, Ho M J Intellect Disabil Res. 2019; 63(9):1111-1124.

PMID: 31020725 PMC: 6850387. DOI: 10.1111/jir.12623.

How social is the chaser? Neural correlates of chasing perception in 9-month-old infants.

Galazka M, Bakker M, Gredeback G, Nystrom P Dev Cogn Neurosci. 2016; 19:270-8.

PMID: 27258722 PMC: 6988589. DOI: 10.1016/j.dcn.2016.05.005.

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