2022
A multi-pronged investigation of option generation using depression, PET and modafinil
Ang Y, Cusin C, Petibon Y, Dillon D, Breiger M, Belleau E, Normandin M, Schroder H, Boyden S, Hayden E, Levine M, Jahan A, Meyer A, Kang M, Brunner D, Gelda S, Hooker J, Fakhri G, Fava M, Pizzagalli D. A multi-pronged investigation of option generation using depression, PET and modafinil. Brain 2022, 145: 1854-1865. PMID: 35150243, PMCID: PMC9166534, DOI: 10.1093/brain/awab429.Peer-Reviewed Original ResearchConceptsD2/D3 receptor availabilitySelf-generated optionsDepressive disorderDepressed individualsReceptor availabilityDopamine D2/D3 receptor availabilityNon-depressed adultsEffects of modafinilPutamen of patientsAssociated with uniquenessOption generationD2/D3 receptorsDopaminergic activityClinical depressionBinding potentialModafinilHealthy participantsPutamenPlacebo-controlledSamples of healthy peopleDouble-blindDisordersSelf-generationHealthy controlsDopamine
2017
Frontostriatal and Dopamine Markers of Individual Differences in Reinforcement Learning: A Multi-modal Investigation
Kaiser R, Treadway M, Wooten D, Kumar P, Goer F, Murray L, Beltzer M, Pechtel P, Whitton A, Cohen A, Alpert N, Fakhri G, Normandin M, Pizzagalli D. Frontostriatal and Dopamine Markers of Individual Differences in Reinforcement Learning: A Multi-modal Investigation. Cerebral Cortex 2017, 28: 4281-4290. PMID: 29121332, PMCID: PMC6454484, DOI: 10.1093/cercor/bhx281.Peer-Reviewed Original ResearchConceptsDA transporterRL behaviourVentral striatumDA clearanceFunctional connectivityBinding potentialLevel of neurocognitive functioningIncreased intrinsic functional connectivityMulti-modal neuroimaging studiesResting-state functional connectivityPhasic DA activityStriatal DA transporterIntrinsic functional connectivityReinforcement learning behaviorMulti-modal investigationsFrontostriatal circuitsFrontostriatal connectivityFrontostriatal regionsOrbitofrontal cortexDA activityNeuroimaging studiesOrbitofrontal regionsDopamine markersNeurocognitive functionDopamine
2014
Synthesis of the dopamine D2/D3 receptor agonist (+)-PHNO via supercritical fluid chromatography: preliminary PET imaging study with [3-11C]-(+)PHNO
Shoup T, McCauley J, Lee D, Chen R, Normandin M, Bonab A, Fakhri G, Vasdev N. Synthesis of the dopamine D2/D3 receptor agonist (+)-PHNO via supercritical fluid chromatography: preliminary PET imaging study with [3-11C]-(+)PHNO. Tetrahedron Letters 2014, 55: 682-685. DOI: 10.1016/j.tetlet.2013.11.113.Peer-Reviewed Original ResearchPositron emission tomography imaging studiesSupercritical fluid chromatographyPositron emission tomographyFluid chromatographyImaging studiesAgonist radiopharmaceuticalsDopamine receptorsEnantiomeric resolutionDopamineCarbon-11Emission tomographyAdipose tissueBrown adipose tissueIn vivoBrown fatSynthesis
2013
A receptor-based model for dopamine-induced fMRI signal
Mandeville J, Sander C, Jenkins B, Hooker J, Catana C, Vanduffel W, Alpert N, Rosen B, Normandin M. A receptor-based model for dopamine-induced fMRI signal. NeuroImage 2013, 75: 46-57. PMID: 23466936, PMCID: PMC3683121, DOI: 10.1016/j.neuroimage.2013.02.036.Peer-Reviewed Original ResearchConceptsDopamine releaseFMRI dataNon-human primatesLevels of dopamine releaseD2-like receptor familyElevated synaptic dopamineSynaptic dopamineAmphetamine stimulationDopaminergic stimulationFMRINeuroimaging techniquesDopamine effectsFMRI modelFMRI signalsDopamineReceptor densityReceptor occupancyBasal gangliaLow dosesHigh dosesPre-clinical dataNeuroadaptationsRacloprideAmphetamineFunction excitation
2005
ntPET: A New Application of PET Imaging for Characterizing the Kinetics of Endogenous Neurotransmitter Release
Morris ED, Yoder KK, Wang C, Normandin MD, Zheng QH, Mock B, Raymond F, Froehlich JC. ntPET: A New Application of PET Imaging for Characterizing the Kinetics of Endogenous Neurotransmitter Release. Molecular Imaging 2005, 4: 7290.2005.05130. PMID: 16285909, DOI: 10.2310/7290.2005.05130.Peer-Reviewed Original ResearchConceptsNeurotransmitter releaseArterial blood samplingEndogenous neurotransmitter releasePositron emission tomographyEndogenous dopamineDrug treatmentRat striatumBlood samplingBlood flowEmission tomographyFalse-positive responsesD3 receptor ligandsDopamine concentrationsPET imagingReceptor ligandsNoninvasive assayTracer kinetic modelReference regionStimulus conditionsDopamine