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  12- to 14-month-olds expect unconstrained agents to act efficiently: Event-related potential (ERP) evidence from the head-touch paradigm

Langeloh, M., Buttelmann, D., Pauen, S., & Hoehl, S. (2020). 12- to 14-month-olds expect unconstrained agents to act efficiently: Event-related potential (ERP) evidence from the head-touch paradigm. Developmental Psychology, 56(7), 1252-1267. doi:10.1037/dev0000934.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-C185-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-C186-8
Genre: Journal Article

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 Creators:
Langeloh, Miriam1, Author              
Buttelmann, David2, Author
Pauen, Sabina3, Author
Hoehl, Stefanie1, Author              
Affiliations:
1Max Planck Research Group Early Social Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2355694              
2Institute of Psychology, University of Bern, Switzerland, ou_persistent22              
3Department of Psychology, University of Heidelberg, Germany, ou_persistent22              

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 Abstract: Behavioral research has shown that 12- but not 9-month-olds imitate an unusual and inefficient action (turning on a lamp with one's forehead) more when the model's hands are free. Rational-imitation accounts suggest that infants evaluate actions based on the rationality principle, that is, they expect people to choose efficient means to achieve a goal. Accordingly, infants' expectations should be violated when observing inefficient actions. However, this has yet to be clearly tested. Here, we conducted three electrophysiological experiments to assess infants' neural indices of violation of expectation (VOE) when observing hand- and head-touch actions. We presented infants with video sequences showing a model whose hands were either free (Experiments 1 and 3) or restrained (Experiment 2). Subsequent images depicted a person turning on a lamp or a toy soundbox using her hand or head. We analyzed the Negative central (Nc) component, associated with the amount of attentional engagement, and the N400 component, reflecting semantic violations. In line with rational-imitation accounts, results revealed that 12- to 14-month-olds (Experiment 1) but not 9-month-olds (Experiment 3) were surprised while observing an inefficient, hands-free, head touch, as indicated by an increased Nc amplitude and an N400-like component. In contrast, infants did not show differences in our measures of VOE between head- and hand-touch outcomes when the model's hands were restrained (Experiment 2). Thus, we suggest that 12- to 14-month-olds incorporate the action context when evaluating action outcomes.

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Language(s): eng - English
 Dates: 2020-04-232020-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1037/dev0000934
Other: epub 2020
PMID: 32324015
 Degree: -

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Title: Developmental Psychology
Source Genre: Journal
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Publ. Info: Arlington, VA, etc., : American Psychological Association (PsycARTICLES)
Pages: - Volume / Issue: 56 (7) Sequence Number: - Start / End Page: 1252 - 1267 Identifier: ISSN: 0012-1649
CoNE: https://pure.mpg.de/cone/journals/resource/954925394385