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  Rapid categorization of human and ape faces in 9-month-old infants revealed by fast periodic visual stimulation

Peykarjou, S., Hoehl, S., Pauen, S., & Rossion, B. (2017). Rapid categorization of human and ape faces in 9-month-old infants revealed by fast periodic visual stimulation. Scientific Reports, 7: 12526. doi:10.1038/s41598-017-12760-2.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-EE26-9 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0003-B45C-B
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Peykarjou_Hoehl_2017.pdf (Verlagsversion), 3MB
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 Urheber:
Peykarjou, Stefanie1, 2, Autor
Hoehl, Stefanie3, Autor           
Pauen, Sabina1, Autor
Rossion, Bruno2, Autor
Affiliations:
1Department of Psychology, University of Heidelberg, Germany, ou_persistent22              
2Face Categorization Lab, Université Catholique de Louvain, Belgium, ou_persistent22              
3Max Planck Research Group Early Social Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2355694              

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 Zusammenfassung: This study investigates categorization of human and ape faces in 9-month-olds using a Fast Periodic Visual Stimulation (FPVS) paradigm while measuring EEG. Categorization responses are elicited only if infants discriminate between different categories and generalize across exemplars within each category. In study 1, human or ape faces were presented as standard and deviant stimuli in upright and inverted trials. Upright ape faces presented among humans elicited strong categorization responses, whereas responses for upright human faces and for inverted ape faces were smaller. Deviant inverted human faces did not elicit categorization. Data were best explained by a model with main effects of species and orientation. However, variance of low-level image characteristics was higher for the ape than the human category. Variance was matched to replicate this finding in an independent sample (study 2). Both human and ape faces elicited categorization in upright and inverted conditions, but upright ape faces elicited the strongest responses. Again, data were best explained by a model of two main effects. These experiments demonstrate that 9-month-olds rapidly categorize faces, and unfamiliar faces presented among human faces elicit increased categorization responses. This likely reflects habituation for the familiar standard category, and stronger release for the unfamiliar category deviants.

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Sprache(n): eng - English
 Datum: 2017-04-062017-09-152017-10-02
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1038/s41598-017-12760-2
PMID: 28970508
PMC: PMC5624891
 Art des Abschluß: -

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Projektname : -
Grant ID : -
Förderprogramm : -
Förderorganisation : Fonds de la Recherche Scientifique (FNRS)
Projektname : Understanding the nature of face perception: New insights from steady-state visual evoked potentials / FACESSVEP
Grant ID : 284025
Förderprogramm : Funding Programme 7
Förderorganisation : European Commission (EC)
Projektname : -
Grant ID : -
Förderprogramm : -
Förderorganisation : Deutsche Forschungsgemeinschaft (DFG)
Projektname : -
Grant ID : -
Förderprogramm : Funding Programme Open Access Publishing
Förderorganisation : Ruprecht-Karls-Universität Heidelberg

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Titel: Scientific Reports
  Kurztitel : Sci. Rep.
Genre der Quelle: Zeitschrift
 Urheber:
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 7 Artikelnummer: 12526 Start- / Endseite: - Identifikator: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322