Thepresentkinematicstudyaimedatdeterminingwhethertheobservationofarm/handgesturesperformedbyconspecificsaffectedanactionapparentlyunrelatedtothegesture(i.e.,reaching-grasping).In3experimentsweexaminedtheinfluenceofdifferentgesturesonactionkinematics.Wealsoanalyzedtheeffectsofwordscorrespondinginmeaningtothegestures,onthesameaction.InExperiment1,thetypeofgesture,valenceandactor’sgazeweretheinvestigatedvariablesParticipantsexecutedtheactionofreaching-graspingafterdiscriminatingwhetherthegesturesproducedbyaconspecificweremeaningfulornot.Themeaningfulgestureswererequestorsymbolicandtheirvalencewaspositiveornegative.Theywerepresentedbytheconspecificeitherblindfoldedornot.IncontrolExperiment2wesearchedforeffectsofthesolegaze,and,inExperiment3,theeffectsofthesamecharacteristicsofwordscorrespondinginmeaningtothegesturesandvisuallypresentedbytheconspecific.Typeofgesture,valence,andgazeinfluencedtheactualactionkinematics;theseeffectsweresimilar,butnotthesameasthoseinducedbywords.Weproposedthatthesignalactivatedaresponsewhichmadetheactualactionfasterfornegativevalenceofgesture,whereasforrequestsignalsandavailablegaze,theresponseinterferedwiththeactualactionmorethansymbolicsignalsandnotavailablegaze.Finally,weproposedtheexistenceofacommoncircuitinvolvedinthecomprehensionofgesturesandwordsandintheactivationofconsequentresponsestothem.

Type of gesture, valence and gaze modulate the influence of gesture on observer’s behaviour / DE STEFANI, Elisa; Innocenti, Alessandro; Claudio, Secchi; Veronica, Papa; Gentilucci, Maurizio. - In: FRONTIERS IN HUMAN NEUROSCIENCE. - ISSN 1662-5161. - 7:(2013), pp. 1-9. [10.3389/fnhum.2013.00542]

Type of gesture, valence and gaze modulate the influence of gesture on observer’s behaviour

DE STEFANI, ELISA;INNOCENTI, ALESSANDRO;GENTILUCCI, Maurizio
2013-01-01

Abstract

Thepresentkinematicstudyaimedatdeterminingwhethertheobservationofarm/handgesturesperformedbyconspecificsaffectedanactionapparentlyunrelatedtothegesture(i.e.,reaching-grasping).In3experimentsweexaminedtheinfluenceofdifferentgesturesonactionkinematics.Wealsoanalyzedtheeffectsofwordscorrespondinginmeaningtothegestures,onthesameaction.InExperiment1,thetypeofgesture,valenceandactor’sgazeweretheinvestigatedvariablesParticipantsexecutedtheactionofreaching-graspingafterdiscriminatingwhetherthegesturesproducedbyaconspecificweremeaningfulornot.Themeaningfulgestureswererequestorsymbolicandtheirvalencewaspositiveornegative.Theywerepresentedbytheconspecificeitherblindfoldedornot.IncontrolExperiment2wesearchedforeffectsofthesolegaze,and,inExperiment3,theeffectsofthesamecharacteristicsofwordscorrespondinginmeaningtothegesturesandvisuallypresentedbytheconspecific.Typeofgesture,valence,andgazeinfluencedtheactualactionkinematics;theseeffectsweresimilar,butnotthesameasthoseinducedbywords.Weproposedthatthesignalactivatedaresponsewhichmadetheactualactionfasterfornegativevalenceofgesture,whereasforrequestsignalsandavailablegaze,theresponseinterferedwiththeactualactionmorethansymbolicsignalsandnotavailablegaze.Finally,weproposedtheexistenceofacommoncircuitinvolvedinthecomprehensionofgesturesandwordsandintheactivationofconsequentresponsestothem.
2013
Type of gesture, valence and gaze modulate the influence of gesture on observer’s behaviour / DE STEFANI, Elisa; Innocenti, Alessandro; Claudio, Secchi; Veronica, Papa; Gentilucci, Maurizio. - In: FRONTIERS IN HUMAN NEUROSCIENCE. - ISSN 1662-5161. - 7:(2013), pp. 1-9. [10.3389/fnhum.2013.00542]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2731905
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