Withtherecentadventofnewrecordingdevicesandaneasieraccesstosignalprocessingtools,researchersareincreasinglyexploringandstudyingthePupilDilation(PD)signal.Recently,numerousstudiespointedouttherelationsbetweenPDdynamicsandpsychophysiologicalstates.AlthoughitiswellknownthatPDiscontrolledbytheAutonomicNervousSystem(ANS),andANSresponsesarerelatedtoemotionalevents/stimuli,therelationshipbetweenemotionalstatesandPDisstillanopenissue.TheaimofthisstudyistodefinethestatisticalpropertiesofthePDsignal,tounderstanditsrelationwithANScorrelatessuchasHeartRateVariability(HRV)andrespiration(RESP),andtoexploreifPDcouldprovideinformationfortheevaluationofthepsychophysiologicalresponseofANStoaffectivetriggeringevents.ECG,RESP,andPDdatafrom13normalsubjectswererecordedduringamemoryrecallparadigm,andprocessedwithspectralandcross-spectralanalysis.OurresultsdemonstratethatvariabilityindicesextractedfromfastPDoscillations,notobservablethroughstandardcardiorespiratoryidentificationinthefrequencydomain,wouldbeabletodiscernpsychophysiologicalresponseselicitedbybasicemotionalstimuli.Astronglinearcouplingwasfoundbetweenthevariables,duetotheinfluenceofRESPonbothPDandHRVwithintheHighFrequency(HF)band,from0.15to0.45Hz.Mostimportantly,ourresultspointatPDfeaturesaspossiblecandidatesforcharacterizingbasicemotionalstimuli.

Characterization of affective states by pupillary dynamics and autonomic correlates, 2013-11-06.

Characterization of affective states by pupillary dynamics and autonomic correlates

Onorati, Francesco;Mauri, Maurizio;Russo, Vincenzo
2013-11-06

Abstract

Withtherecentadventofnewrecordingdevicesandaneasieraccesstosignalprocessingtools,researchersareincreasinglyexploringandstudyingthePupilDilation(PD)signal.Recently,numerousstudiespointedouttherelationsbetweenPDdynamicsandpsychophysiologicalstates.AlthoughitiswellknownthatPDiscontrolledbytheAutonomicNervousSystem(ANS),andANSresponsesarerelatedtoemotionalevents/stimuli,therelationshipbetweenemotionalstatesandPDisstillanopenissue.TheaimofthisstudyistodefinethestatisticalpropertiesofthePDsignal,tounderstanditsrelationwithANScorrelatessuchasHeartRateVariability(HRV)andrespiration(RESP),andtoexploreifPDcouldprovideinformationfortheevaluationofthepsychophysiologicalresponseofANStoaffectivetriggeringevents.ECG,RESP,andPDdatafrom13normalsubjectswererecordedduringamemoryrecallparadigm,andprocessedwithspectralandcross-spectralanalysis.OurresultsdemonstratethatvariabilityindicesextractedfromfastPDoscillations,notobservablethroughstandardcardiorespiratoryidentificationinthefrequencydomain,wouldbeabletodiscernpsychophysiologicalresponseselicitedbybasicemotionalstimuli.Astronglinearcouplingwasfoundbetweenthevariables,duetotheinfluenceofRESPonbothPDandHRVwithintheHighFrequency(HF)band,from0.15to0.45Hz.Mostimportantly,ourresultspointatPDfeaturesaspossiblecandidatesforcharacterizingbasicemotionalstimuli.
Inglese
7-ott-2013
http://www.frontiersin.org/Neuroengineering/10.3389/fneng.2013.00009/abstract
6
9
1
11
11
United Kingdom
internazionale
esperti anonimi
con ISI Impact Factor
Online
Settore M-PSI/06 - Psicologia Del Lavoro E Delle Organizzazioni
5
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10808/8716
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