Wahl, Sebastian, Marinovic, Vesna ORCID: 0000-0002-8280-6555 and Traeuble, Birgit (2019). Gaze cues of isolated eyes facilitate the encoding and further processing of objects in 4-month-old infants. Dev. Cogn. Neurosci., 36. OXFORD: ELSEVIER SCI LTD. ISSN 1878-9307

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Abstract

We investigated young infants' object encoding and processing in response to isolated eye gaze cues on the neural and behavioral level. In two experiments, 4-month-old infants watched a pair of isolated eyes gazing towards or away from novel objects. Subsequently, the same objects were presented alone (i.e., without eyes). We measured event-related potentials (ERP) in response to object-directed and object-averted eye gaze as well as to the subsequently presented isolated objects. Using eye-tracking methods, we additionally measured infants' looking behavior in reaction to the subsequently presented isolated objects. The ERP data revealed an enhanced slow wave positivity for object-directed eye gaze, indicating increased encoding of observed gaze cues. Regarding the objects, we found an enhanced Nc amplitude and increased looking times in response to previously uncued objects, indicating a novelty response on the neural and behavioral level. The results suggest that isolated eye gaze stimuli are sufficient to trigger object encoding and facilitate further object processing.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wahl, SebastianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marinovic, VesnaUNSPECIFIEDorcid.org/0000-0002-8280-6555UNSPECIFIED
Traeuble, BirgitUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-151478
DOI: 10.1016/j.dcn.2019.100621
Journal or Publication Title: Dev. Cogn. Neurosci.
Volume: 36
Date: 2019
Publisher: ELSEVIER SCI LTD
Place of Publication: OXFORD
ISSN: 1878-9307
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NEWBORNS PREFERENCE; ATTENTION; MECHANISMS; RECOGNITION; ORIENTATION; INTENTIONS; STIMULI; SIGNALS; MEMORY; FACESMultiple languages
Psychology, Developmental; NeurosciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15147

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