2022
A machine‐learning approach for predicting impaired consciousness in absence epilepsy
Springer M, Khalaf A, Vincent P, Ryu JH, Abukhadra Y, Beniczky S, Glauser T, Krestel H, Blumenfeld H. A machine‐learning approach for predicting impaired consciousness in absence epilepsy. Annals Of Clinical And Translational Neurology 2022, 9: 1538-1550. PMID: 36114696, PMCID: PMC9539371, DOI: 10.1002/acn3.51647.Peer-Reviewed Original Research
2016
Impaired consciousness in patients with absence seizures investigated by functional MRI, EEG, and behavioural measures: a cross-sectional study
Guo JN, Kim R, Chen Y, Negishi M, Jhun S, Weiss S, Ryu JH, Bai X, Xiao W, Feeney E, Rodriguez-Fernandez J, Mistry H, Crunelli V, Crowley MJ, Mayes LC, Constable RT, Blumenfeld H. Impaired consciousness in patients with absence seizures investigated by functional MRI, EEG, and behavioural measures: a cross-sectional study. The Lancet Neurology 2016, 15: 1336-1345. PMID: 27839650, PMCID: PMC5504428, DOI: 10.1016/s1474-4422(16)30295-2.Peer-Reviewed Original ResearchConceptsAbsence seizuresCross-sectional studyFMRI amplitudeFunctional MRIBehavioral impairmentsJuvenile absence epilepsyBilateral spike-wave dischargesOnset of seizuresPediatric neurology practiceNational InstituteSpike-wave dischargesPhysiological changesBehavioral responsesDefault mode networkImpaired task performanceSeizure durationImpaired consciousnessElectroencephalography changesNeurology practiceAbsence epilepsyFMRI changesBehavioral deficitsMAIN OUTCOMEBehavioral testingEEG changes
2011
Where fMRI and Electrophysiology Agree to Disagree: Corticothalamic and Striatal Activity Patterns in the WAG/Rij Rat
Mishra AM, Ellens DJ, Schridde U, Motelow JE, Purcaro MJ, DeSalvo MN, Enev M, Sanganahalli BG, Hyder F, Blumenfeld H. Where fMRI and Electrophysiology Agree to Disagree: Corticothalamic and Striatal Activity Patterns in the WAG/Rij Rat. Journal Of Neuroscience 2011, 31: 15053-15064. PMID: 22016539, PMCID: PMC3432284, DOI: 10.1523/jneurosci.0101-11.2011.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainBrain MappingBrain WavesCerebral CortexCerebrovascular CirculationCorpus StriatumDisease Models, AnimalElectroencephalographyElectrophysiologyEpilepsyImage Processing, Computer-AssistedLaser-Doppler FlowmetryMagnetic Resonance ImagingNicotinic AntagonistsOxygenRatsRats, WistarThalamusTubocurarineVibrissaeConceptsCerebral blood flowCerebral blood volumeLocal field potentialsNeuronal activityLaser Doppler cerebral blood flowSubcortical structuresWAG/Rij ratsNeuronal activity decreasesHuman absence epilepsySpike-wave dischargesWAG/RijMultiunit activity recordingsFMRI signalsFunctional magnetic resonance imaging (fMRI) signalsMagnetic resonance imaging signalsFMRI decreasesCBF decreaseHemodynamic changesCerebral cortexBasal gangliaSomatosensory cortexAbsence epilepsyWhisker stimulationBlood flowAnimal models
2010
Dynamic Time Course of Typical Childhood Absence Seizures: EEG, Behavior, and Functional Magnetic Resonance Imaging
Bai X, Vestal M, Berman R, Negishi M, Spann M, Vega C, Desalvo M, Novotny EJ, Constable RT, Blumenfeld H. Dynamic Time Course of Typical Childhood Absence Seizures: EEG, Behavior, and Functional Magnetic Resonance Imaging. Journal Of Neuroscience 2010, 30: 5884-5893. PMID: 20427649, PMCID: PMC2946206, DOI: 10.1523/jneurosci.5101-09.2010.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBrainBrain MappingCerebrovascular CirculationChildElectroencephalographyEpilepsy, AbsenceFemaleHumansLinear ModelsMagnetic Resonance ImagingMaleModels, NeurologicalMotor ActivityNeuropsychological TestsPsychomotor PerformanceSeizuresSignal Processing, Computer-AssistedTime FactorsConceptsTypical childhood absence seizuresChildhood absence seizuresAbsence seizuresFMRI decreasesSeizure onsetHz spike-wave dischargesMagnetic resonance imaging changesFunctional magnetic resonance imaging (fMRI) changesTime courseHz generalized spikeSpike-wave dischargesFunctional magnetic resonance imagingMagnetic resonance imagingRepetitive tapping taskLateral parietal cortexLateral frontal cortexImpaired consciousnessPediatric patientsImaging changesEEG time-frequency analysisSeizure endMean durationSeizure initiationGeneralized spikeFMRI changes