2012
Cortical GABA Levels in Primary Insomnia
Morgan PT, Pace-Schott EF, Mason GF, Forselius E, Fasula M, Valentine GW, Sanacora G. Cortical GABA Levels in Primary Insomnia. Sleep 2012, 35: 807-814. PMID: 22654200, PMCID: PMC3353043, DOI: 10.5665/sleep.1880.Peer-Reviewed Original ResearchConceptsGABA levelsSleep complaintsPrimary insomniaSleep onsetCortical GABA levelsGABA/creatine ratiosOccipital GABA levelsPolysomnographic sleep measuresBrain GABA levelsBody mass indexMain outcome measuresUniversity research clinicPrimary insomnia groupAllostatic responseProton magnetic resonance spectroscopyMaintenance of sleepGABA contentUse of cigarettesUse of caffeineMass indexOutpatient studyCreatine ratioOutcome measuresResearch clinicTwo-group comparison study
2002
Magnetic Resonance Spectroscopic Studies of Neurotransmitters and Energy Metabolism in Epilepsy
Petroff O, Pan J, Rothman D. Magnetic Resonance Spectroscopic Studies of Neurotransmitters and Energy Metabolism in Epilepsy. Epilepsia 2002, 43: 40-50. DOI: 10.1046/j.1528-1157.2002.043s1040.x.Peer-Reviewed Original ResearchCerebral electrical activityGlutamate-glutamine cycleGABA synthesisGABA levelsRefractory complex partial seizuresOccipital GABA levelsLower GABA levelsCerebral energy stateComplex partial seizuresElectrical activityKetone body metabolismΓ-aminobutyric acid (GABA) metabolismHuman visual cortexCerebral excitabilityGlutamate reuptakePartial seizuresRefractory epilepsyGABAergic neuronsKetogenic dietBrain metabolismCortical excitabilitySynaptic glutamateBrain glutamateMyoclonic epilepsyNeurotransmitter pool
1999
Effects of Vigabatrin on the GABAergic System as Determined by [123I]Iomazenil SPECT and GABA MRS
Verhoeff N, Petroff O, Hyder F, Zoghbi S, Fujita M, Rajeevan N, Rothman D, Seibyl J, Mattson R, Innis R. Effects of Vigabatrin on the GABAergic System as Determined by [123I]Iomazenil SPECT and GABA MRS. Epilepsia 1999, 40: 1433-1438. PMID: 10528940, DOI: 10.1111/j.1528-1157.1999.tb02016.x.Peer-Reviewed Original ResearchConceptsEffects of vigabatrinGABA levelsTissue GABA levelsMR imagingCentral gamma-aminobutyric acidGABA magnetic resonance spectroscopyDistribution volumeHealthy age-matched controlsOccipital GABA levelsAge-matched controlsGamma-aminobutyric acidVolume of interestSingle photon emissionMagnetic resonance spectroscopyTotal plasma activityT1-weighted MR imagingPartial seizuresGABAergic systemOccipital cortexConstant infusion methodPlasma activityVigabatrinOccipital activityEffective doseWilcoxon test
1995
Initial Observations on Effect of Vigabatrin on In Vivo 1H Spectroscopic Measurements of γ‐Aminobutyric Acid, Glutamate, and Glutamine in Human Brain
Petroff O, Rothman D, Behar K, Mattson R. Initial Observations on Effect of Vigabatrin on In Vivo 1H Spectroscopic Measurements of γ‐Aminobutyric Acid, Glutamate, and Glutamine in Human Brain. Epilepsia 1995, 36: 457-464. PMID: 7614922, DOI: 10.1111/j.1528-1157.1995.tb00486.x.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA levelsMumol/Antiepileptic drugsOccipital GABA levelsEffective antiepileptic drugEffects of vigabatrinStandard medicationStandard doseΓ-aminobutyric acidHealthy subjectsEpileptic patientsVigabatrinPatientsGABA transaminaseHuman cerebrumNoninvasive measurementHuman brainBrainGlutamateInitial observationsMedicationsCerebrumLevelsDose
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