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
2022
A 3D atlas of functional human brain energetic connectome based on neuropil distribution
Yu Y, Akif A, Herman P, Cao M, Rothman D, Carson R, Agarwal D, Evans A, Hyder F. A 3D atlas of functional human brain energetic connectome based on neuropil distribution. Cerebral Cortex 2022, 33: 3996-4012. PMID: 36104858, PMCID: PMC10068297, DOI: 10.1093/cercor/bhac322.Peer-Reviewed Original ResearchConceptsSynaptic densityCortical regionsHigher synapse densityHuman cortical circuitsFunctional imaging studiesCortical activity mapsVivo PET imagingNeuropil distributionGlucose oxidationSynapse densityCortical circuitsMetabolic rateSynaptic connectionsCortical energeticsImaging studiesHuman cortexPET imagingHistological stainingRecent evidenceCortexHuman brainBrainVoxel levelActivity ratesAtlas
2009
Baseline brain energy supports the state of consciousness
Shulman RG, Hyder F, Rothman DL. Baseline brain energy supports the state of consciousness. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 11096-11101. PMID: 19549837, PMCID: PMC2708743, DOI: 10.1073/pnas.0903941106.Peer-Reviewed Original ResearchConceptsLoss of consciousnessBrain energyConscious stateHigh-frequency neuronal activityCerebral energy consumptionBrain energy consumptionCerebral energyEnsembles of neuronsRat brainSomatosensory responsesNeuronal activityGamma-band rangeNeuronal propertiesFiring rateSensory stimulationNeuronal signalingPET measurementsAnesthesiaFMRI patternsFMRI activity patternsOxygen consumptionState of consciousnessStimulationBehavioral abilitiesMagnetic resonance spectroscopyChapter 21 Assessment of In Vivo Mitochondrial Metabolism by Magnetic Resonance Spectroscopy
Befroy DE, Petersen K, Rothman DL, Shulman GI. Chapter 21 Assessment of In Vivo Mitochondrial Metabolism by Magnetic Resonance Spectroscopy. Methods In Enzymology 2009, 457: 373-393. PMID: 19426879, PMCID: PMC3077057, DOI: 10.1016/s0076-6879(09)05021-6.Peer-Reviewed Original Research
2001
Spectroscopic Assessment of Alterations in Macromolecule and Small-Molecule Metabolites in Human Brain After Stroke
Graham G, Hwang J, Rothman D, Prichard J. Spectroscopic Assessment of Alterations in Macromolecule and Small-Molecule Metabolites in Human Brain After Stroke. Stroke 2001, 32: 2797-2802. PMID: 11739976, DOI: 10.1161/hs1201.099414.Peer-Reviewed Original Research
2000
Human Brain β-Hydroxybutyrate and Lactate Increase in Fasting-Induced Ketosis
Pan J, Rothman D, Behar K, Stein D, Hetherington H. Human Brain β-Hydroxybutyrate and Lactate Increase in Fasting-Induced Ketosis. Cerebrovascular And Brain Metabolism Reviews 2000, 20: 1502-1507. PMID: 11043913, DOI: 10.1097/00004647-200010000-00012.Peer-Reviewed Original ResearchConceptsBHB levelsPlasma BHB levelsField magnetic resonance spectroscopyHigh-field magnetic resonance spectroscopyBrain lactateKetogenic dietCalcarine fissureNonfasted stateOccipital lobeHealthy adultsLactate increaseThird dayΒ-hydroxybutyrateKetosisBHB concentrationsBrainBHBGlucose phosphorylationLactate oxidationMagnetic resonance spectroscopyMeeting Report: Transcranial Magnetic Stimulation and Studies of Human Cognition
Fitzpatrick S, Rothman D. Meeting Report: Transcranial Magnetic Stimulation and Studies of Human Cognition. Journal Of Cognitive Neuroscience 2000, 12: 704-709. PMID: 10936921, DOI: 10.1162/089892900562327.Peer-Reviewed Original ResearchProton MRS: GABA and glutamate.
Petroff O, Mattson R, Rothman D. Proton MRS: GABA and glutamate. Advances In Neurology 2000, 83: 261-71. PMID: 10999208.Peer-Reviewed Original Research
1999
Linear projection method for automatic slice shimming
Shen J, Rothman D, Hetherington H, Pan J. Linear projection method for automatic slice shimming. Magnetic Resonance In Medicine 1999, 42: 1082-1088. PMID: 10571929, DOI: 10.1002/(sici)1522-2594(199912)42:6<1082::aid-mrm12>3.0.co;2-g.Peer-Reviewed Original ResearchNew Approaches to Functional Neuroenergetics
Fitzpatrick S, Rothman D. New Approaches to Functional Neuroenergetics. Journal Of Cognitive Neuroscience 1999, 11: 467-471. PMID: 10507889, DOI: 10.1162/089892999563454.Peer-Reviewed Original ResearchIn vivo chemical shift imaging of γ‐aminobutyric acid in the human brain
Shen J, Shungu D, Rothman D. In vivo chemical shift imaging of γ‐aminobutyric acid in the human brain. Magnetic Resonance In Medicine 1999, 41: 35-42. PMID: 10025609, DOI: 10.1002/(sici)1522-2594(199901)41:1<35::aid-mrm7>3.0.co;2-c.Peer-Reviewed Original ResearchNew NMR measurements in epilepsy. Measuring brain GABA in patients with complex partial seizures.
Petroff O, Behar K, Rothman D. New NMR measurements in epilepsy. Measuring brain GABA in patients with complex partial seizures. Advances In Neurology 1999, 79: 939-45. PMID: 10514877.Peer-Reviewed Original Research
1998
In vivo lactate and β‐hydroxybutyrate editing using a pure‐phase refocusing pulse train
Shen J, Novotny E, Rothman D. In vivo lactate and β‐hydroxybutyrate editing using a pure‐phase refocusing pulse train. Magnetic Resonance In Medicine 1998, 40: 783-788. PMID: 9797163, DOI: 10.1002/mrm.1910400520.Peer-Reviewed Original ResearchFunctional Energy Metabolism:In vivo 13C-NMR Spectroscopy Evidence for Coupling of Cerebral Glucose Consumption and Gl utamatergic Neuronal Activity
Sibson N, Shen J, Mason G, Rothman D, Behar K, Shulman R. Functional Energy Metabolism:In vivo 13C-NMR Spectroscopy Evidence for Coupling of Cerebral Glucose Consumption and Gl utamatergic Neuronal Activity. Developmental Neuroscience 1998, 20: 321-330. PMID: 9778568, DOI: 10.1159/000017327.Peer-Reviewed Original ResearchConceptsRat brain cortexGlucose metabolismBrain cortexNeurotransmitter cyclingTotal glucose oxidationGlutamatergic synaptic activityCerebral glucose consumptionCerebral glucose metabolismFunctional activityFunctional imaging methodsGlucose oxidationOxidative glucose metabolismGlutamate neurotransmitter cyclingSynaptic activityNeuronal activityMild anesthesiaGlutamine synthesisMammalian brainNeurotransmitter releaseGlutamate cyclingEEG activityAmmonia metabolismNeurophysiological basisDetoxification componentsVivo resultsInterpreting functional imaging studies in terms of neurotransmitter cycling
Shulman R, Rothman D. Interpreting functional imaging studies in terms of neurotransmitter cycling. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 11993-11998. PMID: 9751778, PMCID: PMC21753, DOI: 10.1073/pnas.95.20.11993.Peer-Reviewed Original ResearchConceptsFunctional imaging experimentsNeurobiological processesFunctional magnetic resonance imagingBasis of neuroscienceSpecific mental processesFunctional imaging studiesFunctional imaging dataVivo 13C NMR measurementsCognitive psychologyCognitive tasksMental processesPsychological termsPsychological interpretationImaging experimentsNeuroscientific interpretationSensory stimulationPsychological designHuman brainFunctional imaging signalsNeurotransmitter cyclingParticular positron emission tomographyNeurotransmitter fluxBrain energy consumptionImaging studiesImaging dataMeasuring human brain GABA in vivo
Petroff O, Rothman D. Measuring human brain GABA in vivo. Molecular Neurobiology 1998, 16: 97-121. PMID: 9554704, DOI: 10.1007/bf02740605.Peer-Reviewed Original ResearchConceptsBrain gamma-aminobutyric acidGamma-aminobutyric acidGABA concentrationSeizure controlDaily doseRelease of GABACerebrospinal fluid GABA concentrationsGABA synthesisImproved seizure controlComplex partial seizuresPoor seizure controlTraditional antiepileptic drugsSingle oral doseEffects of vigabatrinElevated CSFImportant protective mechanismPartial seizuresOral doseSeizure disorderAntiepileptic drugsNonvesicular releaseSeizure activityGABA levelsTransporter reversalVigabatrin
1997
Homocarnosine and the measurement of neuronal pH in patients with epilepsy
Rothman D, Behar K, Prichard J, Petroff O. Homocarnosine and the measurement of neuronal pH in patients with epilepsy. Magnetic Resonance In Medicine 1997, 38: 924-929. PMID: 9402193, DOI: 10.1002/mrm.1910380611.Peer-Reviewed Original ResearchImprovements on an in Vivo automatic shimming method (FASTERMAP)
Shen J, Rycyna R, Rothman D. Improvements on an in Vivo automatic shimming method (FASTERMAP). Magnetic Resonance In Medicine 1997, 38: 834-839. PMID: 9358459, DOI: 10.1002/mrm.1910380521.Peer-Reviewed Original ResearchAdiabatic Slice-Selective Excitation for Surface Coils
Shen J, Rothman D. Adiabatic Slice-Selective Excitation for Surface Coils. Journal Of Magnetic Resonance 1997, 124: 72-79. PMID: 9169211, DOI: 10.1006/jmre.1996.7483.Peer-Reviewed Original Research
1996
Human Brain γ‐Aminobutyric Acid Levels and Seizure Control Following Initiation of Vigabatrin Therapy
Petroff O, Behar K, Mattson R, Rothman D. Human Brain γ‐Aminobutyric Acid Levels and Seizure Control Following Initiation of Vigabatrin Therapy. Journal Of Neurochemistry 1996, 67: 2399-2404. PMID: 8931472, DOI: 10.1046/j.1471-4159.1996.67062399.x.Peer-Reviewed Original ResearchConceptsBrain GABA contentImproved seizure controlBrain GABA levelsSeizure controlVigabatrin treatmentGABA levelsDaily doseAntiepileptic drugsOccipital lobeBrain gamma-aminobutyric acid (GABA) concentrationsGABA concentrationHuman brain GABA levelsGABA contentGamma-aminobutyric acid concentrationΓ-aminobutyric acid (GABA) levelsComplex partial seizuresNovel antiepileptic drugBrain GABA concentrationsSeizure frequencyPartial seizuresVigabatrin therapySustained elevationHuman occipital lobeGABA synthesisAcid levels