2024
Findings of PTSD-specific deficits in default mode network strength following a mild experimental stressor
Averill C, Averill L, Akiki T, Fouda S, Krystal J, Abdallah C. Findings of PTSD-specific deficits in default mode network strength following a mild experimental stressor. NPP—Digital Psychiatry And Neuroscience 2024, 2: 9. PMID: 38919723, PMCID: PMC11197271, DOI: 10.1038/s44277-024-00011-y.Peer-Reviewed Original ResearchPosttraumatic stress disorderMajor depressive disorderConnectivity deficitsConnection strengthPrimary diagnosis of posttraumatic stress disorderExperimental stressorsDiagnosis of posttraumatic stress disorderResting-state functional magnetic resonance imagingFunctional magnetic resonance imagingVentromedial prefrontal cortexDMN connectivity strengthStress-induced reductionEffect of groupDMN alterationsPrefrontal cortexDepressive disorderDMN connectivityStressor taskStress disorderBrain region(sAcute stressorFunctional connectivityDMNExploratory analysisDeficits
2012
The role of default network deactivation in cognition and disease
Anticevic A, Cole MW, Murray JD, Corlett PR, Wang XJ, Krystal JH. The role of default network deactivation in cognition and disease. Trends In Cognitive Sciences 2012, 16: 584-592. PMID: 23142417, PMCID: PMC3501603, DOI: 10.1016/j.tics.2012.10.008.Peer-Reviewed Original ResearchConceptsDMN suppressionDefault network deactivationGoal-directed cognitionSpecific behavioral tasksDefault mode networkCognitive neurosciencePharmacological neuroimagingSuppression deficitsBehavioral tasksFocused attentionClinical neuroscienceTheoretical neuroscienceBrain regionsNeuroscienceCognitionSevere mental illnessMental illnessConsiderable bodyNeuroimagingTaskDeficitsDMNExternal environmentMindDisease