Different novelties revealed by infants’ pupillary responses

Abstract To account for infants’ perceptual and cognitive development, the constructivist model proposes that learning a new object depends on the capability of processing simpler lower-level units, and then integrating these units into more complex higher-level units based on their relationships, s...

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Autores principales:	Yi-Chuan Chen, Gert Westermann
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e1f66b1c7dcf4cd2a31eb76fe5675760
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id	oai:doaj.org-article:e1f66b1c7dcf4cd2a31eb76fe5675760
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spelling	oai:doaj.org-article:e1f66b1c7dcf4cd2a31eb76fe56757602021-12-02T15:08:42ZDifferent novelties revealed by infants’ pupillary responses10.1038/s41598-018-27736-z2045-2322https://doaj.org/article/e1f66b1c7dcf4cd2a31eb76fe56757602018-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-27736-zhttps://doaj.org/toc/2045-2322Abstract To account for infants’ perceptual and cognitive development, the constructivist model proposes that learning a new object depends on the capability of processing simpler lower-level units, and then integrating these units into more complex higher-level units based on their relationships, such as regular co-occurrence. Here, we demonstrate that the process of associating visual and auditory attributes to build a new multisensory object representation is not only observed in the course of development, but also in the course of infants’ in-the-moment information processing. After a brief familiarization session of learning two pairs of novel audiovisual stimuli, 15-month-old infants showed two components in pupil dilations over time: A rapid dilation was observed when processing perceptually novel compared to familiar stimuli, and a slower dilation was observed when processing novel combinations of familiar stimuli. However, in 10-month-old infants, only the effect elicited by novel stimuli was observed. Our results therefore demonstrate that detecting perceptual novelty occurred earlier than detecting association novelty in infants’ information processing. These results support the view that infants perceive newly-learned objects by processing their constituent attributes and then integrating these components, as suggested by the constructivist model.Yi-Chuan ChenGert WestermannNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yi-Chuan Chen Gert Westermann Different novelties revealed by infants’ pupillary responses
description	Abstract To account for infants’ perceptual and cognitive development, the constructivist model proposes that learning a new object depends on the capability of processing simpler lower-level units, and then integrating these units into more complex higher-level units based on their relationships, such as regular co-occurrence. Here, we demonstrate that the process of associating visual and auditory attributes to build a new multisensory object representation is not only observed in the course of development, but also in the course of infants’ in-the-moment information processing. After a brief familiarization session of learning two pairs of novel audiovisual stimuli, 15-month-old infants showed two components in pupil dilations over time: A rapid dilation was observed when processing perceptually novel compared to familiar stimuli, and a slower dilation was observed when processing novel combinations of familiar stimuli. However, in 10-month-old infants, only the effect elicited by novel stimuli was observed. Our results therefore demonstrate that detecting perceptual novelty occurred earlier than detecting association novelty in infants’ information processing. These results support the view that infants perceive newly-learned objects by processing their constituent attributes and then integrating these components, as suggested by the constructivist model.
format	article
author	Yi-Chuan Chen Gert Westermann
author_facet	Yi-Chuan Chen Gert Westermann
author_sort	Yi-Chuan Chen
title	Different novelties revealed by infants’ pupillary responses
title_short	Different novelties revealed by infants’ pupillary responses
title_full	Different novelties revealed by infants’ pupillary responses
title_fullStr	Different novelties revealed by infants’ pupillary responses
title_full_unstemmed	Different novelties revealed by infants’ pupillary responses
title_sort	different novelties revealed by infants’ pupillary responses
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/e1f66b1c7dcf4cd2a31eb76fe5675760
work_keys_str_mv	AT yichuanchen differentnoveltiesrevealedbyinfantspupillaryresponses AT gertwestermann differentnoveltiesrevealedbyinfantspupillaryresponses
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Different novelties revealed by infants’ pupillary responses

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