2021
An altered balance of integrated and segregated brain activity is a marker of cognitive deficits following sleep deprivation
Cross NE, Pomares FB, Nguyen A, Perrault AA, Jegou A, Uji M, Lee K, Razavipour F, Bin Ka’b Ali O, Aydin U, Benali H, Grova C, Dang-Vu TT. An altered balance of integrated and segregated brain activity is a marker of cognitive deficits following sleep deprivation. PLOS Biology 2021, 19: e3001232. PMID: 34735431, PMCID: PMC8568176, DOI: 10.1371/journal.pbio.3001232.Peer-Reviewed Original ResearchConceptsSleep-deprived stateSleep deprivationCortical networksFunctional magnetic resonance imaging (fMRI) scansLarge-scale cortical networksCognitive impairmentSleep-deprived brainNight of SDHomeostatic sleep pressureExecutive tasksCognitive performanceTask performanceCognitive changesRegular nightBrain activityCognitive functionCognitive deficitsNetwork integrationInformation processingSleep pressureCortical activityBidirectional effectsConnectivity changesInterindividual differencesNonrapid eye movement sleep
2014
Detection of abnormal resting-state networks in individual patients suffering from focal epilepsy: an initial step toward individual connectivity assessment
Dansereau CL, Bellec P, Lee K, Pittau F, Gotman J, Grova C. Detection of abnormal resting-state networks in individual patients suffering from focal epilepsy: an initial step toward individual connectivity assessment. Frontiers In Neuroscience 2014, 8: 419. PMID: 25565949, PMCID: PMC4274904, DOI: 10.3389/fnins.2014.00419.Peer-Reviewed Original ResearchResting-state networksFocal epilepsySeizure-free outcomePost-operative MRISpontaneous slow fluctuationsLevel-dependent signalGroups of subjectsHealthy controlsEpileptic focusIndividual patientsEpileptic brainPatientsFree outcomeState fMRI dataPathological conditionsAbnormal networkAbnormal changesClinical applicationMultimodal assessmentBrain activityEpilepsyFMRI acquisitionLateralized networkFunctional mapsSubjects