2014
Negative Blood Oxygen Level Dependent Signals During Speech Comprehension
Moreno D, Schiff ND, Hirsch J. Negative Blood Oxygen Level Dependent Signals During Speech Comprehension. Brain Connectivity 2014, 5: 232-244. PMID: 25412406, PMCID: PMC4432885, DOI: 10.1089/brain.2014.0272.Peer-Reviewed Original ResearchConceptsBlood oxygen level-dependent (BOLD) signalSpeech conditionsLevel-dependent signalBOLD signalSpeech comprehensionResting baselineNatural speechComprehension of speechCanonical language areasLanguage-related tasksNatural speech conditionNegative BOLD responseReceptive languageLanguage tasksPassive listeningComprehension studiesFrontoparietal regionsLanguage areasSame stimuliBOLD responseComprehensionBrain regionsSame speech
2005
fMRI reveals large-scale network activation in minimally conscious patients
Schiff N, Rodriguez-Moreno D, Kamal A, Kim K, Giacino J, Plum F, Hirsch J. fMRI reveals large-scale network activation in minimally conscious patients. Neurology 2005, 64: 514-523. PMID: 15699384, DOI: 10.1212/01.wnl.0000150883.10285.44.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAdultAttentionAuditory CortexAwarenessCerebral HemorrhageCraniocerebral TraumaEncephalomalaciaFixation, OcularHumansLanguageMagnetic Resonance ImagingMalePersistent Vegetative StatePhysical StimulationSomatosensory CortexTemporal LobeTouchVerbal BehaviorWounds, NonpenetratingConceptsCognitive functionCortical activityLanguage-related tasksResidual cognitive functionMiddle temporal gyrusTactile stimulationMeaningless stimuliActive cortical networkConscious stateLanguage stimulationNeurobiological correlatesLanguage functionTemporal gyrusBehavioral evidenceMCS patientsCortical systemsLinguistic contentAuditory stimulationCortical networksLanguage processingCerebral networksNetwork activationCortical responsesCommunication abilityFMRI mapsFunctional neuroimaging during altered states of consciousness: how and what do we measure?
Hirsch J. Functional neuroimaging during altered states of consciousness: how and what do we measure? Progress In Brain Research 2005, 150: 25-590. PMID: 16186013, DOI: 10.1016/s0079-6123(05)50003-7.Peer-Reviewed Original ResearchConceptsCognitive processesFunctional neuroimagingDisorders of consciousnessPassive stimulationLanguage-related tasksFunctional magnetic resonanceSpecific traumatic eventStudy of consciousnessFunctional brain activityAltered statesAffective systemsCognitive systemNeural processesTraumatic eventsNeurocognitive healthBrain activitySensory-motor functionParadigm selectionMotor systemVolitional tasksCortical functionExperimental manipulationTaskBrain injuryTemporal sequence