2017
Posterior dopamine D2/3 receptors and brain network functional connectivity
Nagano‐Saito A, Lissemore J, Gravel P, Leyton M, Carbonell F, Benkelfat C. Posterior dopamine D2/3 receptors and brain network functional connectivity. Synapse 2017, 71 PMID: 28700819, DOI: 10.1002/syn.21993.Peer-Reviewed Original ResearchConceptsDefault mode networkNetwork functional connectivityFunctional connectivity strengthPositron emission tomographyFunctional connectivityPosterior portionReceptor distributionPosteromedial cortexResting-state functional magnetic resonance imagingConnectivity strengthBrain network functional connectivityPosterior default mode networkMode networkDopamine D2/3 receptorsDopamine receptor distributionResting-state connectivityBrain networksFunctional magnetic resonance imagingMagnetic resonance imagingMultiple brain networksFallypride bindingDorsal attention networkMean BPBrain dopamineD2/3 receptors
2012
External awareness and GABA—A multimodal imaging study combining fMRI and [18F]flumazenil‐PET
Wiebking C, Duncan N, Qin P, Hayes D, Lyttelton O, Gravel P, Verhaeghe J, Kostikov A, Schirrmacher R, Reader A, Bajbouj M, Northoff G. External awareness and GABA—A multimodal imaging study combining fMRI and [18F]flumazenil‐PET. Human Brain Mapping 2012, 35: 173-184. PMID: 22996793, PMCID: PMC6869063, DOI: 10.1002/hbm.22166.Peer-Reviewed Original ResearchConceptsNeuronal activity changesInhibitory neurotransmitter GABANegative BOLD responseFunctional magnetic resonance imaging paradigmCortical midline regionsSame healthy subjectsGABAA receptorsHealthy subjectsNeurotransmitter GABAPsychiatric disordersBiochemical mechanismsPET imagingExtrinsic systemMidline regionBOLD responseExternal awarenessNeuronal networksUnderlying neuronal networksImaging paradigmGABAActivity changesStimulus typeSame paradigmAwarenessPrecuneus