2024
Developmental Differences in a Hippocampal-Cingulate Pathway Involved in Learned Safety Following Interpersonal Trauma Exposure
Kribakaran S, DeCross S, Odriozola P, McLaughlin K, Gee D. Developmental Differences in a Hippocampal-Cingulate Pathway Involved in Learned Safety Following Interpersonal Trauma Exposure. Journal Of The American Academy Of Child & Adolescent Psychiatry 2024 PMID: 39368629, DOI: 10.1016/j.jaac.2024.07.928.Peer-Reviewed Original ResearchSafety signal learningInterpersonal trauma exposureTrauma exposureFunctional connectivityHippocampal activityNeural correlatesConditioned safetyFunctional magnetic resonance imaging dataAnterior hippocampal activationDevelopment of psychopathologyAnterior cingulate subregionsTask-based functional magnetic resonance imaging dataExploratory analysisMagnetic resonance imaging dataMental health sequelaeAmygdala activationAge-related associationsAnterior hippocampalContingency awarenessPTSD symptomsInhibit fearAttenuating fearCingulate subregionsSignal learningFear reduction
2023
Hippocampal Involvement in Safety Signal Learning Varies With Anxiety Among Healthy Adults
Odriozola P, Kribakaran S, Cohodes E, Zacharek S, McCauley S, Haberman J, Quintela L, Hernandez C, Spencer H, Pruessner L, Caballero C, Gee D. Hippocampal Involvement in Safety Signal Learning Varies With Anxiety Among Healthy Adults. Biological Psychiatry Global Open Science 2023, 4: 155-164. PMID: 38298801, PMCID: PMC10829678, DOI: 10.1016/j.bpsgos.2023.05.007.Peer-Reviewed Original ResearchSafety signal learningDorsal anterior cingulate cortexTrait anxietyFear reductionEffects of noveltyHippocampal activationSignal learningThreat responsesNeural mechanismsAnxiety disordersFunctional connectivityVentrolateral prefrontal cortex activationInhibition of fearLow trait anxietyCross-species evidenceInferior frontal gyrusHigh trait anxietyPrefrontal cortex activationAnterior cingulate cortexHealthy adultsNeural correlatesFrontal gyrusAnterior hippocampusCortex activationHippocampal involvement