2021
Subthreshold post-traumatic stress disorder as a risk factor for post-traumatic stress disorder: results from a sample of USA veterans
Pietrzak RH, Javier FG, Krystal JH, Southwick SM. Subthreshold post-traumatic stress disorder as a risk factor for post-traumatic stress disorder: results from a sample of USA veterans. The British Journal Of Psychiatry 2021, 219: 456-459. PMID: 35048836, DOI: 10.1192/bjp.2021.17.Peer-Reviewed Original ResearchConceptsSubthreshold post-traumatic stress disorderPost-traumatic stress disorderStress disorderRisk factorsProspective national cohortPotential risk factorsLow dispositional optimismSpecific PTSD symptomsTrauma-exposed veteransNational cohortAssociated FactorsPreventive interventionsPTSD symptomsVeteransDisordersGreater ageCognitive difficultiesWave 1Dispositional optimismCohortSymptomsFactorsTrauma
2005
Sex, GABA, and nicotine: The impact of smoking on cortical GABA levels across the menstrual cycle as measured with proton magnetic resonance spectroscopy
Epperson CN, O’Malley S, Czarkowski KA, Gueorguieva R, Jatlow P, Sanacora G, Rothman DL, Krystal JH, Mason GF. Sex, GABA, and nicotine: The impact of smoking on cortical GABA levels across the menstrual cycle as measured with proton magnetic resonance spectroscopy. Biological Psychiatry 2005, 57: 44-48. PMID: 15607299, PMCID: PMC4097033, DOI: 10.1016/j.biopsych.2004.09.021.Peer-Reviewed Original ResearchConceptsCortical GABA levelsOccipital cortex GABA concentrationsGABA levelsProton magnetic resonance spectroscopyImpact of nicotineMenstrual cycleGABA concentrationFemale smokersCortical gamma-aminobutyric acid (GABA) levelsUnderwent proton magnetic resonance spectroscopyGamma-aminobutyric acid (GABA) levelsCentral GABAergic functionCortical GABA concentrationsNicotine-dependent menAmino acid neurotransmissionImpact of smokingPotential risk factorsMenstrual cycle phaseShort-term abstinenceGABAergic functionNicotine modulationSmoking menSmoking cessationFollicular phaseSmoking abstinence