2022
Computational modeling of threat learning reveals links with anxiety and neuroanatomy in humans
Abend R, Burk D, Ruiz S, Gold A, Napoli J, Britton J, Michalska K, Shechner T, Winkler A, Leibenluft E, Pine D, Averbeck B. Computational modeling of threat learning reveals links with anxiety and neuroanatomy in humans. ELife 2022, 11: e66169. PMID: 35473766, PMCID: PMC9197395, DOI: 10.7554/elife.66169.Peer-Reviewed Original ResearchConceptsThreat learningAnxiety severitySafety learningNeuroanatomical substratesGreater anxiety severitySkin conductance dataThreat conditioningThreat extinctionThreat generalizationGray matter volumeSafe stimuliAssociative learningComputational mechanismsAnxiety symptomsAnxiety disordersInfluential theoriesSlower extinctionComputational modelLearningWhole brain anatomyAnxietyComputational modelingStructural imagingStimuliTask
2019
Anticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure
Abend R, Gold A, Britton J, Michalska K, Shechner T, Sachs J, Winkler A, Leibenluft E, Averbeck B, Pine D. Anticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure. Biological Psychiatry 2019, 87: 916-925. PMID: 31955915, PMCID: PMC7211142, DOI: 10.1016/j.biopsych.2019.11.006.Peer-Reviewed Original ResearchConceptsSkin conductance responsesConductance responsesBrain structuresThreat conditioningPathological anxietyComparison subjectsPsychophysiological responsesLarger patient samplesPrefrontal cortical thicknessHealthy comparison subjectsStructural magnetic resonance imaging (MRI) dataThreat stimuliAnticipatory respondingExtinction paradigmStimulus typeMagnetic resonance imaging dataWide age rangeCortical thicknessPatientsNeurodevelopmental changesAnticipatory responsesTranslational advancesStructural brainAdult populationPatient samples