2024
Post-traumatic stress disorder symptoms following exposure to acute psychological trauma in children aged 8–16 years in South Africa: protocol for the Sinethemba longitudinal study
Sharp T, Chideya Y, Giuliani A, Hunt X, Tomlinson M, Seedat S, Creswell C, Fearon P, Hamilton-Giachritsis C, Hiller R, Meiser-Stedman R, Du Toit S, Stewart J, Halligan S. Post-traumatic stress disorder symptoms following exposure to acute psychological trauma in children aged 8–16 years in South Africa: protocol for the Sinethemba longitudinal study. BMJ Open 2024, 14: e085129. PMID: 38991675, DOI: 10.1136/bmjopen-2024-085129.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentCaregiversChildFemaleHumansLongitudinal StudiesMalePsychological TraumaResearch DesignSouth AfricaStress Disorders, Post-TraumaticConceptsMental health outcomesPost-traumatic stress disorderChildren aged 8Caregiver supportHealth outcomesAssociation of psychosocial factorsAdverse mental health outcomesAged 8Traumatic eventsChildren’s post-traumatic stress disorderDepartment of HealthMiddle-income countriesTrauma-related mental healthPsychological risk factorsHigh-income countriesStress disorder symptomsFollow-up assessmentPost-traumatic stress disorder symptomsCape TownMotor vehicle accidentsHealthcare clinicsPsychosocial factorsMental healthPsychological recoveryEthical approval
2021
A Longitudinal Investigation of Children’s Trauma Memory Characteristics and Their Relationship with Posttraumatic Stress Disorder Symptoms
McGuire R, Hiller R, Ehlers A, Fearon P, Meiser-Stedman R, Leuteritz S, Halligan S. A Longitudinal Investigation of Children’s Trauma Memory Characteristics and Their Relationship with Posttraumatic Stress Disorder Symptoms. Research On Child And Adolescent Psychopathology 2021, 49: 807-816. PMID: 33534094, PMCID: PMC8096753, DOI: 10.1007/s10802-021-00773-5.Peer-Reviewed Original ResearchMeSH KeywordsAdultChildHumansInfantMental RecallSelf ReportStress Disorders, Post-TraumaticSurveys and QuestionnairesConceptsTrauma memory characteristicsPosttraumatic stress symptomsMaintenance of PTSSPosttraumatic stress disorder (PTSD) symptomsSingle-incident traumaSelf-report questionnairesTrauma memoriesMemory characteristicsAdult PTSDNarrative recallChild PTSDDisorder symptomsTrauma narrativesStress symptomsChildren's perceptionsLongitudinal investigationChildren's narrativesCore predictorsPTSDYear oldsPerceptionImportant implicationsReliable predictorPredictorsMemory
2020
PTSD symptoms and cortisol stress reactivity in adolescence: Findings from a high adversity cohort in South Africa
Zimmerman A, Halligan S, Skeen S, Morgan B, Fraser A, Fearon P, Tomlinson M. PTSD symptoms and cortisol stress reactivity in adolescence: Findings from a high adversity cohort in South Africa. Psychoneuroendocrinology 2020, 121: 104846. PMID: 32919210, DOI: 10.1016/j.psyneuen.2020.104846.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderCortisol stress reactivityTrier Social Stress TestPTSD symptomsTrauma exposureStress reactivityHPA axis stress reactivitySmall inverse associationHPA stress reactivitySex-specific associationsTotal cortisol outputElevated PTSD symptomsImpoverished South African communityMiddle-income countriesAdrenal axisInverse associationSocial Stress TestMiddle-income country contextCortisol responsePsychosocial stressCortisol outputCortisol increaseSalivary cortisolStress disorderSouth African community
2019
A Longitudinal Examination of Heart-Rate and Heart Rate Variability as Risk Markers for Child Posttraumatic Stress Symptoms in an Acute Injury Sample
Haag K, Hiller R, Peyk P, Michael T, Meiser-Stedman R, Fearon P, Ehlers A, Halligan S. A Longitudinal Examination of Heart-Rate and Heart Rate Variability as Risk Markers for Child Posttraumatic Stress Symptoms in an Acute Injury Sample. Research On Child And Adolescent Psychopathology 2019, 47: 1811-1820. PMID: 31073881, PMCID: PMC6805807, DOI: 10.1007/s10802-019-00553-2.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdolescentChildCross-Sectional StudiesElectrocardiographyFemaleHeart RateHumansLongitudinal StudiesMaleRisk FactorsStress Disorders, Post-TraumaticWounds and InjuriesConceptsPost-traumatic stress symptomsPosttraumatic stress disorderStress symptomsChildren's post-traumatic stress symptomsAdolescent posttraumatic stress disorderChildren's posttraumatic stress symptomsHigher post-traumatic stress symptomsPosttraumatic stress symptomsLong-term distressConcurrent markersTraumatic eventsTrauma narrativesStress disorderParent-child pairsTraumatic experiencesLongitudinal examinationInjury samplePredictive validityAdult literatureHR variabilityPost traumaChildrenHR indexHeart rate variabilityHospital emergency department
2017
A longitudinal investigation of the role of parental responses in predicting children's post‐traumatic distress
Hiller R, Meiser‐Stedman R, Lobo S, Creswell C, Fearon P, Ehlers A, Murray L, Halligan S. A longitudinal investigation of the role of parental responses in predicting children's post‐traumatic distress. Journal Of Child Psychology And Psychiatry 2017, 59: 781-789. PMID: 29197098, PMCID: PMC6849512, DOI: 10.1111/jcpp.12846.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PsychologicalAdolescentAdultChildFemaleHumansLongitudinal StudiesMaleParentingParentsPsychological TraumaSeverity of Illness IndexSocial SupportStress Disorders, Post-TraumaticConceptsPost-traumatic stress symptom severityPost-traumatic distressParental responsesPost-trauma outcomesStress symptom severityChild-report questionnairesOwn appraisalChild adjustmentAvoidant copingChildren's symptom levelsNegative appraisalsParent-child pairsLongitudinal examinationParental influenceLongitudinal investigationSupport styleSocial supportSymptom levelsChildren's experiencesPredictive effectObservational assessmentPotential mediatorsSymptom severityStyleAppraisalThe role of parenting behaviors in childhood post-traumatic stress disorder: A meta-analytic review
Williamson V, Creswell C, Fearon P, Hiller R, Walker J, Halligan S. The role of parenting behaviors in childhood post-traumatic stress disorder: A meta-analytic review. Clinical Psychology Review 2017, 53: 1-13. PMID: 28137661, DOI: 10.1016/j.cpr.2017.01.005.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChildHumansParent-Child RelationsParentingStress Disorders, Post-TraumaticConceptsChildhood post-traumatic stress disorderPost-traumatic stress disorderParenting behaviorsPTSD symptomsStress disorderChild post-traumatic stress disorderNegative parenting behaviorsPositive parenting behaviorsMeta-analytic reviewPositive parentingQuestionnaire measuresTrauma variablesModerator analysesParentingLongitudinal studyMethodological factorsSymptom associationDisordersProvisional recommendationsBehaviorMost studiesWeak evidenceVarianceStyleAssociation
2016
Research Review: Changes in the prevalence and symptom severity of child post‐traumatic stress disorder in the year following trauma – a meta‐analytic study
Hiller R, Meiser‐Stedman R, Fearon P, Lobo S, McKinnon A, Fraser A, Halligan S. Research Review: Changes in the prevalence and symptom severity of child post‐traumatic stress disorder in the year following trauma – a meta‐analytic study. Journal Of Child Psychology And Psychiatry 2016, 57: 884-898. PMID: 27169987, PMCID: PMC4982080, DOI: 10.1111/jcpp.12566.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentChildChild, PreschoolDisease ProgressionHumansSeverity of Illness IndexStress Disorders, Post-TraumaticConceptsPosttraumatic stress disorderMonths posttraumaAdolescent posttraumatic stress disorderSymptom severityPTSD prevalencePrevalence of PTSDStress disorderChild post-traumatic stress disorderPost-traumatic stress disorderProportion of boysTreatment trialsNatural courseAbsence of interventionPTSD screeningPrevalence reductionModerate declinePrevalence estimatesEarly interventionPeer-reviewed studiesSystematic reviewPosttrauma periodSymptom changePTSD diagnosisLongitudinal changesPosttrauma
2010
Post‐traumatic stress symptoms in childhood brain tumour survivors and their parents
Bruce M, Gumley D, Isham L, Fearon P, Phipps K. Post‐traumatic stress symptoms in childhood brain tumour survivors and their parents. Child Care Health And Development 2010, 37: 244-251. PMID: 21083688, DOI: 10.1111/j.1365-2214.2010.01164.x.Peer-Reviewed Original ResearchConceptsPost-traumatic stress symptomsBrain tumor survivorsChildhood brain tumor survivorsParent-child interactionsTumor survivorsStress symptomsCross-sectional correlational designBattery of questionnairesCoping stylesDistressing experienceCorrelational designConflict resolutionIllness parametersTumor recurrenceParentsSevere levelsSurvivorsSubstantial proportionStyleOne-thirdSymptoms
2004
Towards a cognitive model and measure of dissociation
Kennedy F, Clarke S, Stopa L, Bell L, Rouse H, Ainsworth C, Fearon P, Waller G. Towards a cognitive model and measure of dissociation. Journal Of Behavior Therapy And Experimental Psychiatry 2004, 35: 25-48. PMID: 15157816, DOI: 10.1016/j.jbtep.2004.01.002.Peer-Reviewed Original ResearchConceptsCognitive modelDES-IINew cognitive modelManifestations of dissociationUnderstanding of dissociationAdequate internal consistencyMeasures of dissociationDissociative Experiences ScaleCognitive theoristsPsychological processesPsychological modelsDissociation scalePreliminary supportDissociative phenomenaConvergent validityExperiences ScaleSevere psychopathologyInternal consistencyDissociative processesResearch utilityCurrent measuresMeasuresVaried consequencesPsychopathologyDissociation