2025
Modulation of dopaminergic transmission and brain activity by frontotemporal tDCS: A multimodal PET-MR imaging study
Fonteneau C, Merida I, Redoute J, Haesebaert F, Lancelot S, Costes N, Mondino M, Brunelin J. Modulation of dopaminergic transmission and brain activity by frontotemporal tDCS: A multimodal PET-MR imaging study. Brain Stimulation 2025, 18: 1065-1073. PMID: 40340023, DOI: 10.1016/j.brs.2025.05.006.Peer-Reviewed Original ResearchTranscranial direct current stimulationPositron emission tomographyArterial spin labelingMagnetic resonance imagingWhite matter microstructural integrityModulation of dopaminergic transmissionParallel-group studyNo significant effects of tDCSOptimization of therapeutic strategiesNon-displaceable binding potentialEffects of transcranial direct current stimulationCerebral blood flowNeurophysiological mechanismsDiffusion weighted imagingMicrostructural integrityPET-MR imagingActive transcranial direct current stimulationDopaminergic transmissionDouble-blindSimultaneous positron emission tomographyDopamine releaseDopamine transmissionClinical benefitDirect current stimulationDopamine system
2024
Absence of BOLD adaptation in chronic fatigue syndrome revealed by task functional MRI
Schönberg L, Mohamed A, Yu Q, Kwiatek R, Del Fante P, Calhoun V, Shan Z. Absence of BOLD adaptation in chronic fatigue syndrome revealed by task functional MRI. Cerebrovascular And Brain Metabolism Reviews 2024, 45: 115-124. PMID: 39113421, PMCID: PMC11840696, DOI: 10.1177/0271678x241270528.Peer-Reviewed Original ResearchBlood oxygen level-dependentFunctional MRIME/CFS participantsHealthy controlsTask-based functional MRISymbol Digit Modalities TestFatigue syndromeRight postcentral gyrusTask functional MRIFMRI signal changesOxygen level-dependentMyalgic encephalomyelitis/chronic fatigue syndromeLeft primary motor cortexChronic fatigue syndromeTask blocksCognitive tasksPostcentral gyrusCognitive cortexBOLD adaptationNeurophysiological processesNeurophysiological mechanismsPrimary motor cortexLevel-dependentModal testingFatigue severity
2021
Toward a holistic view of value and social processing in the amygdala: Insights from primate behavioral neurophysiology
Putnam PT, Chang SWC. Toward a holistic view of value and social processing in the amygdala: Insights from primate behavioral neurophysiology. Behavioural Brain Research 2021, 411: 113356. PMID: 33989727, PMCID: PMC8238892, DOI: 10.1016/j.bbr.2021.113356.Peer-Reviewed Original ResearchConceptsSocial behaviorSocial stimuliValue-related processesNegative emotional processesAspects of cognitionReward-related processesDistinct brain regionsSocial processingEmotional processesAmygdala's roleNeural basisPositive affectHolistic hypothesisPrimate neurophysiologyNeurophysiological mechanismsBehavioral neurophysiologySocial interactionValue processingModern neuroscienceTemporal lobeBrain regionsAmygdalaStimuliNeurophysiologyProcessing
2018
Not All Predictions Are Equal: “What” and “When” Predictions Modulate Activity in Auditory Cortex through Different Mechanisms
Auksztulewicz R, Schwiedrzik C, Thesen T, Doyle W, Devinsky O, Nobre A, Schroeder C, Friston K, Melloni L. Not All Predictions Are Equal: “What” and “When” Predictions Modulate Activity in Auditory Cortex through Different Mechanisms. Journal Of Neuroscience 2018, 38: 8680-8693. PMID: 30143578, PMCID: PMC6170983, DOI: 10.1523/jneurosci.0369-18.2018.Peer-Reviewed Original ResearchConceptsNeural mechanismsNeural processesMotor areaSensory processingCortical activitySuperior temporal gyrusShort-term plasticityTiming of acoustic eventsAuditory areasMechanisms of predictionPrefrontal regionsPrefrontal areasTemporal gyrusBrain regionsManipulated predictionNeural responsesStimulus attributesStimulus featuresEncode predictionsParticipants' predictionsAdaptive behaviorEnvironmental regularitiesNeurophysiological mechanismsCortical hierarchyExperimental manipulation
2016
The Basal Ganglia and Decision-Making in Neuropsychiatric Disorders
Tinaz S, Stern C. The Basal Ganglia and Decision-Making in Neuropsychiatric Disorders. Innovations In Cognitive Neuroscience 2016, 339-361. DOI: 10.1007/978-3-319-42743-0_15.Peer-Reviewed Original ResearchAttention deficit hyperactivity disorderDecision-making deficitsGoal-directed actionsDecision-making researchDeficit hyperactivity disorderPotential neurophysiological mechanismsFunctional neuroimaging methodsObsessive-compulsive disorderNeuropsychiatric disordersNeural correlatesHyperactivity disorderBasic rewardsCompulsive disorderNeurophysiological mechanismsNeuroimaging methodsBasal ganglia-cortical circuitsOverview of termsNeuropsychiatric conditionsComputational modelDetailed computational modelDecision makingMood disordersDifferent neuropsychiatric disordersRewardDecision-making process
2015
Equivalent mismatch negativity deficits across deviant types in early illness schizophrenia-spectrum patients
Hay RA, Roach BJ, Srihari VH, Woods SW, Ford JM, Mathalon DH. Equivalent mismatch negativity deficits across deviant types in early illness schizophrenia-spectrum patients. Biological Psychology 2015, 105: 130-137. PMID: 25603283, PMCID: PMC4336819, DOI: 10.1016/j.biopsycho.2015.01.004.Peer-Reviewed Original ResearchConceptsSchizophrenia spectrum patientsHealthy controlsEarly schizophrenia patientsMMN amplitude reductionDuration of illnessCourse of schizophreniaMismatch negativityDeviant typesMismatch negativity deficitsClinical symptomsDifferent deviant typesNeurophysiological abnormalitiesAuditory deviantsSchizophrenia patientsPatientsAuditory deviance processingIllnessNeurophysiological mechanismsAmplitude reductionSignificant interactionMMN responsesDeviance processingSymptomsAbnormalitiesSchizophrenia
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