Emotional Engagement Driven by Complex Visual Stimuli: Neural Dynamics Revealed by Multimodal Imaging
Emotional Engagement Driven by Complex Visual Stimuli: Neural Dynamics Revealed by Multimodal Imaging
批准号:
9883648
负责人:
MINGZHOU DING
金额:
$36.78万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2017
资助国家:
美国
项目状态:
已结题
起止时间:
2017-05-11 至 2022-02-28
关键词:
AddressAffectAftercareAmygdaloid structureAnteriorAnxietyAttentionAttenuatedAuditoryBase of the BrainBrainBrain imagingBrain regionChronic stressClinicalComplexConflict (Psychology)CuesDataDesire for foodDiagnosisDiagnosticDisease susceptibilityElectrophysiology (science)ElementsEmotionalEmotionsEtiologyEvoked PotentialsFoundationsFrequenciesFrightFunctional Magnetic Resonance ImagingFunctional disorderGoalsHairHealthcareHumanHydrocortisoneInsula of ReilInterventionLaboratoriesMeasurementMeasuresMedialMediatingMental HealthMental disordersMethodologyMethodsModalityMonitorMood DisordersMotivationMotorMultimodal ImagingOrganismParietalPatient Self-ReportPrefrontal CortexPsychopathologyResearchResearch Domain CriteriaResearch PersonnelResolutionSafetySamplingSensorySignal TransductionSpecific qualifier valueSpecificityStimulusSystemTechniquesTestingTranslatingTreatment EfficacyUnited States National Institutes of HealthVisualVisual CortexVisual Perceptionanxiousbasebrain dysfunctionclinically relevantcognitive neurosciencecognitive taskcue reactivityemotional stimulusexperienceextrastriate visual cortexinnovationneural circuitneuromechanismneurophysiologynovelpersonalized medicinerelating to nervous systemresponsesocialsocial anxietysomatosensorysoundtraitvisual informationvisual stimulus
中文摘要
项目总结
英文摘要
Project Summary
Emotional dysfunction is at the core of many psychiatric disorders, in particular fear, anxiety, post-traumatic,
and mood disorders. Describing the neural mechanisms associated with emotional processing is therefore a
critical issue in mental health care. Previous attempts to define the neurophysiology of human emotions in the
cognitive neuroscience laboratory have been hampered by the unavailability of conceptual and
methodological frameworks for studying complex emotional responses in context and with conflicting
information present. The proposed research establishes a novel technique for combining electrophysiological
recordings, high in temporal precision, with functional brain imaging, which is high in spatial precision. This
approach, called steady-state potential frequency-tagging, achieves stimulus specificity, temporal, and spatial
resolution across the whole brain. It is unique in that it allows researchers to identify distinct brain networks
selectively activated by different elements of a complex visual scene—even when the elements are spatially
overlapping and accompanied by stimulation in other sensory modalities. We combine this innovative
approach with a novel conceptual framework that considers changes in visual perception an active part of an
observer’s emotional response, to address the following Aims: (1) We characterize the large-scale brain
dynamics mediating the emotional response to an element that is embedded in a complex visual array. (2)
We determine how conflicting appetitive and aversive information, visual and auditory, affects these brain
dynamics. (3) Finally, we translate this novel method to socially anxious observers, testing mechanistic
hypotheses regarding the interactive effects of trait anxiety and chronic stress on short-term reactivity to
emotional challenge. The long-term clinical implications of the proposed research are manifold: For
diagnostic assessment and for monitoring treatment efficacy, a quantitative brain-based marker of emotional
engagement opens avenues for objectively evaluating pre- to post-treatment changes in appetitive/aversive
neural reactivity. It also enables measuring neural circuit function to enable quantitative measurements of
specific psychopathology and for identifying treatment targets in a personalized medicine framework.
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专著(0)
科研奖励(0)
会议论文
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财政年份:2014
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负责人:MINGZHOU DING
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依托单位:
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负责人:MINGZHOU DING
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依托单位:
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依托单位:
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依托单位:
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Single Trial Analysis of Event Related Signals
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海外基金