Featured Publications
Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions
Gross G, Spiller T, Duek O, Pietrzak R, Harpaz-Rotem I. Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions. Journal Of Affective Disorders 2023, 328: 255-260. PMID: 36806596, DOI: 10.1016/j.jad.2023.02.046.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPTSD symptomsDysphoric arousalDSM-5 posttraumatic stress disorderDSM-5 PTSD symptomsDistinct underlying processesSelf-report measuresGeneralized anxiety symptomsSuperior model fitPhysical health functioningCore defining featuresStructural equation modelingWorse emotional functioningAnxious arousalSymptoms of depressionNegative affectIntrusion symptomsGreater avoidanceEmotional functioningStress disorderAnxiety symptomsPTSD ChecklistIntrusion factorCross-sectional designGeneralized anxiety
2020
Association of Multidimensional Schizotypy With Psychotic-Like Experiences, Affect, and Social Functioning in Daily Life: Comparable Findings Across Samples and Schizotypy Measures
Kwapil T, Kemp K, Mielock A, Sperry S, Chun C, Gross G, Barrantes-Vidal N. Association of Multidimensional Schizotypy With Psychotic-Like Experiences, Affect, and Social Functioning in Daily Life: Comparable Findings Across Samples and Schizotypy Measures. Journal Of Psychopathology And Clinical Science 2020, 129: 492-504. PMID: 32250141, DOI: 10.1037/abn0000522.Peer-Reviewed Original ResearchConceptsPsychotic-like experiencesPositive schizotypyPositive affectNegative affectSchizotypy measuresSocial functioningSchizophrenia-spectrum psychopathologyDaily lifeAssessment of schizotypyNegative schizotypyMultidimensional schizotypySocial disinterestDaily life experiencesSchizotypyAffectMultidimensional modelNegative experiencesHypothesized patternConstruct validityESM questionnairesLife experiencesReal-world settingFunctioningUseful frameworkDifferent measures
2018
Association of positive, negative, and disorganized schizotypy dimensions with affective symptoms and experiences
Kemp K, Gross G, Barrantes-Vidal N, Kwapil T. Association of positive, negative, and disorganized schizotypy dimensions with affective symptoms and experiences. Psychiatry Research 2018, 270: 1143-1149. PMID: 30366639, DOI: 10.1016/j.psychres.2018.10.031.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScaleHypomanic traitsPositive schizotypyElevated negative affectAffective symptomsSchizophrenia-spectrum psychopathologyMeasures of depressionCognitive behavioral deficitsThree-factor modelNegative schizotypyState affectPositive affectSchizotypy dimensionsNegative affectComorbid expressionSchizotypy scalesSocial phobiaSchizotypyAnxiety disordersMTurk workersAffectSchizophrenia spectrumCollege studentsUseful constructConstruct validity
2014
Anhedonia and Negative Symptom Schizotypy
Kwapil T, Gross G, Chun C, Silvia P, Barrantes-Vidal N. Anhedonia and Negative Symptom Schizotypy. 2014, 203-226. DOI: 10.1007/978-94-017-8610-2_9.Peer-Reviewed Original ResearchElevated negative affectNegative symptom schizotypyNature of pleasureEmotion psychologyBiological psychologyNegative affectBrain mechanismsAnticipatory pleasureConsummatory pleasureUse of experienceHedonic capacityAffective dysregulationSchizotypySymptom dimensionsStudy of anhedoniaTheoretical conceptualizationCurrent conceptualizationsAnhedoniaReal-world environmentsPsychologyCurrent studyResearch findingsSchizophreniaPleasureDeficits