Perception of individual and joint action in infants and adults.

Infants and adults frequently observe actions performed jointly by more than one person. Research in action perception, however, has focused largely on actions performed by an individual person. Here, we explore how 9- and 12-month-old infants and adults perceive a block-stacking action performed by...

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Autores principales:	Anne Keitel, Wolfgang Prinz, Moritz M Daum
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a277130e13be4c179988b6b42a8bdf4b
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spelling	oai:doaj.org-article:a277130e13be4c179988b6b42a8bdf4b2021-11-25T06:01:23ZPerception of individual and joint action in infants and adults.1932-620310.1371/journal.pone.0107450https://doaj.org/article/a277130e13be4c179988b6b42a8bdf4b2014-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0107450https://doaj.org/toc/1932-6203Infants and adults frequently observe actions performed jointly by more than one person. Research in action perception, however, has focused largely on actions performed by an individual person. Here, we explore how 9- and 12-month-old infants and adults perceive a block-stacking action performed by either one agent (individual condition) or two agents (joint condition). We used eye tracking to measure the latency of participants' gaze shifts towards action goals. Adults anticipated goals in both conditions significantly faster than infants, and their gaze latencies did not differ between conditions. By contrast, infants showed faster anticipation of goals in the individual condition than in the joint condition. This difference was more pronounced in 9-month-olds. Further analyses of fixations examined the role of visual attention in action perception. These findings are cautiously interpreted in terms of low-level processing in infants and higher-level processing in adults. More precisely, our results suggest that adults are able to infer the overarching joint goal of two agents, whereas infants are not yet able to do so and might rely primarily on visual cues to infer the respective sub-goals. In conclusion, our findings indicate that the perception of joint action in infants develops differentially from that of individual action.Anne KeitelWolfgang PrinzMoritz M DaumPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 9, p e107450 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anne Keitel Wolfgang Prinz Moritz M Daum Perception of individual and joint action in infants and adults.
description	Infants and adults frequently observe actions performed jointly by more than one person. Research in action perception, however, has focused largely on actions performed by an individual person. Here, we explore how 9- and 12-month-old infants and adults perceive a block-stacking action performed by either one agent (individual condition) or two agents (joint condition). We used eye tracking to measure the latency of participants' gaze shifts towards action goals. Adults anticipated goals in both conditions significantly faster than infants, and their gaze latencies did not differ between conditions. By contrast, infants showed faster anticipation of goals in the individual condition than in the joint condition. This difference was more pronounced in 9-month-olds. Further analyses of fixations examined the role of visual attention in action perception. These findings are cautiously interpreted in terms of low-level processing in infants and higher-level processing in adults. More precisely, our results suggest that adults are able to infer the overarching joint goal of two agents, whereas infants are not yet able to do so and might rely primarily on visual cues to infer the respective sub-goals. In conclusion, our findings indicate that the perception of joint action in infants develops differentially from that of individual action.
format	article
author	Anne Keitel Wolfgang Prinz Moritz M Daum
author_facet	Anne Keitel Wolfgang Prinz Moritz M Daum
author_sort	Anne Keitel
title	Perception of individual and joint action in infants and adults.
title_short	Perception of individual and joint action in infants and adults.
title_full	Perception of individual and joint action in infants and adults.
title_fullStr	Perception of individual and joint action in infants and adults.
title_full_unstemmed	Perception of individual and joint action in infants and adults.
title_sort	perception of individual and joint action in infants and adults.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/a277130e13be4c179988b6b42a8bdf4b
work_keys_str_mv	AT annekeitel perceptionofindividualandjointactionininfantsandadults AT wolfgangprinz perceptionofindividualandjointactionininfantsandadults AT moritzmdaum perceptionofindividualandjointactionininfantsandadults
_version_	1718414298056753152

Perception of individual and joint action in infants and adults.

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