Universität zu Köln

Georgescu, Alexandra L., Kuzmanovic, Bojana, Santos, Natacha S., Tepest, Ralf ORCID: 0000-0002-2421-2652, Bente, Gary, Tittgemeyer, Marc and Vogeley, Kai (2014). Perceiving Nonverbal Behavior: Neural Correlates of Processing Movement Fluency and Contingency in Dyadic Interactions. Hum. Brain Mapp., 35 (4). S. 1362 - 1379. HOBOKEN: WILEY. ISSN 1097-0193

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Abstract

Despite the fact that nonverbal dyadic social interactions are abundant in the environment, the neural mechanisms underlying their processing are not yet fully understood. Research in the field of social neuroscience has suggested that two neural networks appear to be involved in social understanding: (1) the action observation network (AON) and (2) the social neural network (SNN). The aim of this study was to determine the differential contributions of the AON and the SNN to the processing of nonverbal behavior as observed in dyadic social interactions. To this end, we used short computer animation sequences displaying dyadic social interactions between two virtual characters and systematically manipulated two key features of movement activity, which are known to influence the perception of meaning in nonverbal stimuli: (1) movement fluency and (2) contingency of movement patterns. A group of 21 male participants rated the naturalness of the observed scenes on a four-point scale while undergoing fMRI. Behavioral results showed that both fluency and contingency significantly influenced the naturalness experience of the presented animations. Neurally, the AON was preferentially engaged when processing contingent movement patterns, but did not discriminate between different degrees of movement fluency. In contrast, regions of the SNN were engaged more strongly when observing dyads with disturbed movement fluency. In conclusion, while the AON is involved in the general processing of contingent social actions, irrespective of their kinematic properties, the SNN is preferentially recruited when atypical kinematic properties prompt inferences about the agents' intentions. Hum Brain Mapp 35:1362-1378, 2014. (c) 2013 Wiley Periodicals, Inc.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Georgescu, Alexandra L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kuzmanovic, Bojana UNSPECIFIED UNSPECIFIED UNSPECIFIED Santos, Natacha S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tepest, Ralf UNSPECIFIED orcid.org/0000-0002-2421-2652 UNSPECIFIED Bente, Gary UNSPECIFIED UNSPECIFIED UNSPECIFIED Tittgemeyer, Marc UNSPECIFIED UNSPECIFIED UNSPECIFIED Vogeley, Kai UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-441088
DOI:	10.1002/hbm.22259
Journal or Publication Title:	Hum. Brain Mapp.
Volume:	35
Number:	4
Page Range:	S. 1362 - 1379
Date:	2014
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1097-0193
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SUPERIOR TEMPORAL SULCUS; BIOLOGICAL MOTION; SOCIAL COGNITION; VISUAL-PERCEPTION; BRAIN-AREAS; TOP-DOWN; AUTOMATIC IMITATION; ANIMACY EXPERIENCE; ASPERGER-SYNDROME; MIRROR NEURONS Multiple languages Neurosciences; Neuroimaging; Radiology, Nuclear Medicine & Medical Imaging Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/44108