2023
Hippocampal neurochemicals are associated with exercise group and intensity, psychological health, and general cognition in older adults
Reitlo L, Mihailovic J, Stensvold D, Wisløff U, Hyder F, Håberg A. Hippocampal neurochemicals are associated with exercise group and intensity, psychological health, and general cognition in older adults. GeroScience 2023, 45: 1667-1685. PMID: 36626020, PMCID: PMC10400748, DOI: 10.1007/s11357-022-00719-9.Peer-Reviewed Original ResearchConceptsSupervised exercise groupNational physical activity guidelinesPhysical activity guidelinesLower NAA/CrHippocampal bodyNAA/CrActivity guidelinesControl groupExercise groupLower Cho/CrPhysical activity/exerciseOlder adultsGeneration 100 StudyPsychological healthModerate physical activityActivity/exerciseDays/weekPeak oxygen uptakeCho/CrHigher training intensityMagnetic resonance imagingHigh-intensity trainingHippocampal metabolitesNeuronal viabilityHippocampal volume
2020
Hemodynamic impairments within individual watershed areas in asymptomatic carotid artery stenosis by multimodal MRI
Kaczmarz S, Göttler J, Petr J, Hansen M, Mouridsen K, Zimmer C, Hyder F, Preibisch C. Hemodynamic impairments within individual watershed areas in asymptomatic carotid artery stenosis by multimodal MRI. Cerebrovascular And Brain Metabolism Reviews 2020, 41: 380-396. PMID: 32237952, PMCID: PMC7812517, DOI: 10.1177/0271678x20912364.Peer-Reviewed Original ResearchConceptsInternal carotid artery stenosisRelative oxygen extraction fractionRelative cerebral blood volumeCerebral blood flowCapillary transit time heterogeneityOxygen extraction capacityCarotid artery stenosisHemodynamic impairmentCerebrovascular reactivityArtery stenosisUnilateral internal carotid artery stenosisAsymptomatic internal carotid artery stenosisAsymptomatic carotid artery stenosisAge-matched healthy controlsMultimodal MRICerebral blood volumeOxygen extraction fractionTransit time heterogeneityMicrovascular impairmentStroke riskOxygenation parametersWidespread dysfunctionHealthy controlsHemodynamic parametersIndividual patients
2001
Homocarnosine and seizure control in juvenile myoclonic epilepsy and complex partial seizures
Petroff O, Hyder F, Rothman D, Mattson R. Homocarnosine and seizure control in juvenile myoclonic epilepsy and complex partial seizures. Neurology 2001, 56: 709-715. PMID: 11274303, DOI: 10.1212/wnl.56.6.709.Peer-Reviewed Original ResearchConceptsComplex partial seizuresJuvenile myoclonic epilepsyGamma-aminobutyric acidHigher homocarnosine levelsGood seizure controlSeizure controlPoor seizure controlHomocarnosine levelsPartial seizuresMyoclonic epilepsyBrain gamma-aminobutyric acidLower GABA levelsType of epilepsyLower gamma-aminobutyric acidGABA levelsOccipital cortexPatientsVisual cortexEpilepsyValproateLamotrigineSeizuresCortexHomocarnosineMR spectrometer