2024
In vivo neuropil density from anatomical MRI and machine learning
Akif A, Staib L, Herman P, Rothman D, Yu Y, Hyder F. In vivo neuropil density from anatomical MRI and machine learning. Cerebral Cortex 2024, 34: bhae200. PMID: 38771239, PMCID: PMC11107380, DOI: 10.1093/cercor/bhae200.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingSynaptic densityNeuropil densityCellular densityArtificial neural networkNeural networkPositron emission tomographyAnatomical magnetic resonance imagingHealthy subjectsSynaptic activityMRI scansMachine learning algorithmsBrain's energy budgetEmission tomographyIn vivo MRI scansResonance imagingTissue cellularityLearning algorithmsDiffusion magnetic resonance imagingMachine learningMicroscopic interpretationInterpretation of functional neuroimaging dataIndividual predictionsSubjects
2003
MRI and PET Study of Deficits in Hippocampal Structure and Function in Women With Childhood Sexual Abuse and Posttraumatic Stress Disorder
Bremner JD, Vythilingam M, Vermetten E, Southwick SM, McGlashan T, Nazeer A, Khan S, Vaccarino LV, Soufer R, Garg PK, Ng CK, Staib LH, Duncan JS, Charney DS. MRI and PET Study of Deficits in Hippocampal Structure and Function in Women With Childhood Sexual Abuse and Posttraumatic Stress Disorder. American Journal Of Psychiatry 2003, 160: 924-932. PMID: 12727697, DOI: 10.1176/appi.ajp.160.5.924.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderChildhood sexual abuseHippocampal volumeEarly childhood sexual abuseHippocampal structureHippocampal functionAbuse-related posttraumatic stress disorderStress disorderSmaller hippocampal volumesPositron emission tomographySexual abuseVerbal declarative memory tasksAnimal studiesBrain areasDeclarative memory taskEmission tomographyPET studiesHippocampal activationWomenEarly stressHippocampusAbused womenDisordersAbuseMagnetic resonance
1999
Neural Correlates of Memories of Childhood Sexual Abuse in Women With and Without Posttraumatic Stress Disorder
Bremner J, Narayan M, Staib L, Southwick S, McGlashan T, Charney D. Neural Correlates of Memories of Childhood Sexual Abuse in Women With and Without Posttraumatic Stress Disorder. American Journal Of Psychiatry 1999, 156: 1787-1795. PMID: 10553744, PMCID: PMC3233772, DOI: 10.1176/ajp.156.11.1787.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderBlood flowVisual association cortexMedial prefrontal cortexChildhood sexual abusePrefrontal cortexMotor cortexAssociation cortexPosterior cingulateStress disorderBrain blood flowChildhood abuseInferior temporal gyrusPositron emission tomographyNeural correlatesSexual abuseSubcallosal gyrusRight hippocampusLong-term effectsFailure of activationAnterior prefrontal cortexBrain areasAnterior cingulateTraumatic remindersEmission tomographyQuantitation of benzodiazepine receptor binding with PET [11C]iomazenil and SPECT [123I]iomazenil: preliminary results of a direct comparison in healthy human subjects
Bremner J, Baldwin R, Horti A, Staib L, Ng C, Tan P, Zea-Ponce Y, Zoghbi S, Seibyl J, Soufer R, Charney D, Innis R. Quantitation of benzodiazepine receptor binding with PET [11C]iomazenil and SPECT [123I]iomazenil: preliminary results of a direct comparison in healthy human subjects. Psychiatry Research 1999, 91: 79-91. PMID: 10515463, DOI: 10.1016/s0925-4927(99)00015-3.Peer-Reviewed Original ResearchConceptsPositron emission tomographyBenzodiazepine receptorsArterial blood samplesBenzodiazepine receptor bindingHealthy human subjectsHuman subjectsNeuroreceptor bindingSingle photon emissionSingle bolusOccipital cortexBlood samplesTemporal cortexEmission tomographyBrain compartmentsDynamic positron emission tomographyReceptor bindingSPECTSame human subjectsPhoton emissionCortexHuman brainRadioligandPreliminary findingsBrainReceptors
1998
Development and Reliability of a Method for Using Magnetic Resonance Imaging for the Definition of Regions of Interest for Positron Emission Tomography
Bremner JD, Bronen RA, De Erasquin G, Vermetten E, Staib LH, Ng CK, Soufer R, Charney DS, Innis RB. Development and Reliability of a Method for Using Magnetic Resonance Imaging for the Definition of Regions of Interest for Positron Emission Tomography. Molecular Imaging And Biology 1998, 1: 145-159. PMID: 14516589, DOI: 10.1016/s1095-0397(98)00015-6.Peer-Reviewed Original ResearchMagnetic resonance imagingPositron emission tomographyCoregistered magnetic resonance imagingResonance imagingBrain regionsEmission tomographyPoor anatomical resolutionAnatomical resolutionRegional metabolic rateBrain metabolic rateIntra-class correlation coefficientSuperior anatomical resolutionPET scansMRI scansMetabolic rateBrain scansPhysiologic informationAnatomical landmarksPET brain imagesReliable methodPets siteIndependent ratersScansImportant physiological informationStandard anatomical atlas
1997
Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder
Bremner JD, Innis RB, Ng CK, Staib LH, Salomon RM, Bronen RA, Duncan J, Southwick SM, Krystal JH, Rich D, Zubal G, Dey H, Soufer R, Charney DS. Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder. JAMA Psychiatry 1997, 54: 246-254. PMID: 9075465, DOI: 10.1001/archpsyc.1997.01830150070011.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAdministration of yohimbineNorepinephrine releaseHealthy subjectsHealthy age-matched control subjectsAge-matched control subjectsStress disorderDouble-blind fashionPositron emission tomography (PET) measurementsBrain metabolic responsesCerebral metabolic correlatesBrain norepinephrine releaseSymptoms of anxietyPositron emission tomographyBrain metabolismControl subjectsYohimbine administrationPreclinical studiesMetabolic correlatesCaudate nucleusPatientsYohimbineVietnam combat veteransEmission tomographyOrbitofrontal cortex