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
2013
Prediction of Psychopathology and Functional Impairment by Positive and Negative Schizotypy in the Chapmans’ Ten-Year Longitudinal Study
Kwapil T, Gross G, Silvia P, Barrantes-Vidal N. Prediction of Psychopathology and Functional Impairment by Positive and Negative Schizotypy in the Chapmans’ Ten-Year Longitudinal Study. Journal Of Psychopathology And Clinical Science 2013, 122: 807-815. PMID: 24016018, DOI: 10.1037/a0033759.Peer-Reviewed Original ResearchConceptsNegative schizotypyPredictive validityPrediction of psychopathologyLongitudinal dataTen-year longitudinal studyNegative symptom dimensionsSchizophrenia spectrum disordersMental health treatmentPoor adjustmentSocial impairmentValidity findingsSchizoid symptomsRecent cross-sectional studySchizotypyCross-sectional studySymptom dimensionsControl participantsDevelopment of schizophreniaPositive dimensionUseful constructHealth treatmentParanoid symptomsMultidimensional structureLongitudinal studyDifferential patternsPositive and negative schizotypy are associated with prodromal and schizophrenia-spectrum symptoms
Barrantes-Vidal N, Gross G, Sheinbaum T, Mitjavila M, Ballespí S, Kwapil T. Positive and negative schizotypy are associated with prodromal and schizophrenia-spectrum symptoms. Schizophrenia Research 2013, 145: 50-55. PMID: 23402694, DOI: 10.1016/j.schres.2013.01.007.Peer-Reviewed Original ResearchConceptsSchizophrenia-spectrum personality disordersDevelopment of schizophreniaPositive schizotypy dimensionNegative symptom dimensionsPresent studySchizophrenia prodromeMood symptomsRelated disordersYoung adultsSchizoid symptomsSymptomsPersonality disorderSchizophrenia-spectrum symptomsSymptom dimensionsInterview measuresSpanish young adultsDisordersPrevious findingsThreshold statusQuestionnaire measuresCAARMSProdromeProdromalEtiologyFindings