2022
Reward and loss incentives improve spatial working memory by shaping trial-by-trial posterior frontoparietal signals
Cho YT, Moujaes F, Schleifer CH, Starc M, Ji JL, Santamauro N, Adkinson B, Kolobaric A, Flynn M, Krystal JH, Murray JD, Repovs G, Anticevic A. Reward and loss incentives improve spatial working memory by shaping trial-by-trial posterior frontoparietal signals. NeuroImage 2022, 254: 119139. PMID: 35346841, PMCID: PMC9264479, DOI: 10.1016/j.neuroimage.2022.119139.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain MappingHumansMagnetic Resonance ImagingMemory, Short-TermMotivationParietal LobePrefrontal CortexRewardConceptsMemory precisionSpatial working memoryIntraparietal sulcusPrecentral sulcusWorking memoryMotivational signalsBOLD signalParietal cortexReward/lossVisual association regionsDorsolateral prefrontal cortexGoal-directed activityMemory paradigmMemory performanceMemory processesAnterior parietal cortexExecutive networkNeural changesSensory processesPrefrontal cortexLoss incentivesVentral striatumNon-human primate studiesTranslational neuroscienceMemory
2021
Mapping brain-behavior space relationships along the psychosis spectrum
Ji JL, Helmer M, Fonteneau C, Burt JB, Tamayo Z, Demšar J, Adkinson BD, Savić A, Preller KH, Moujaes F, Vollenweider FX, Martin WJ, Repovš G, Cho YT, Pittenger C, Murray JD, Anticevic A. Mapping brain-behavior space relationships along the psychosis spectrum. ELife 2021, 10: e66968. PMID: 34313219, PMCID: PMC8315806, DOI: 10.7554/elife.66968.Peer-Reviewed Original ResearchConceptsPsychosis spectrum disordersEffective patient-specific therapiesPSD patientsAllen Human Brain AtlasReceptor manipulationPatient-specific therapiesPsychiatric disordersBiomarker endpointsCognitive deficitsIndividualized predictionHuman Brain AtlasMolecular targetsActionable pathSymptom variationPsychosis spectrumPsychopathology symptomsBrain mapsCurrent sample sizeDisordersBrain atlas
2020
Psilocybin Induces Time-Dependent Changes in Global Functional Connectivity
Preller KH, Duerler P, Burt JB, Ji JL, Adkinson B, Stämpfli P, Seifritz E, Repovš G, Krystal JH, Murray JD, Anticevic A, Vollenweider FX. Psilocybin Induces Time-Dependent Changes in Global Functional Connectivity. Biological Psychiatry 2020, 88: 197-207. PMID: 32111343, DOI: 10.1016/j.biopsych.2019.12.027.Peer-Reviewed Original ResearchConceptsFunctional connectivityBaseline connectivityResting-state functional connectivityGlobal functional connectivityBrain-wide connectivityHealthy human participantsPersonalized medicine approachPeak effectUse of psilocybinMechanism of actionSerotonin 2ATime-dependent mannerCrossover studyPredictive markerPsychedelic treatmentMedicine approachReceptor systemSensory regionsClinical contextTime pointsAssociative regionsDifferent test daysAdministrationTest dayTime-dependent changes
2019
Hierarchical Heterogeneity across Human Cortex Shapes Large-Scale Neural Dynamics
Demirtaş M, Burt JB, Helmer M, Ji JL, Adkinson BD, Glasser MF, Van Essen DC, Sotiropoulos SN, Anticevic A, Murray JD. Hierarchical Heterogeneity across Human Cortex Shapes Large-Scale Neural Dynamics. Neuron 2019, 101: 1181-1194.e13. PMID: 30744986, PMCID: PMC6447428, DOI: 10.1016/j.neuron.2019.01.017.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityHigh-frequency spectral powerMagnetic resonance imagingLocal synaptic strengthsResting-state magnetoencephalographyCircuit-level mechanismsMicrocircuit propertiesHuman cortical dynamicsCortical areasLocal circuitsResonance imagingSynaptic strengthHuman cortexFunctional MRIFunctional connectivityCortical organizationHierarchical specializationLarge-scale neural dynamicsNeural activityFMRI featuresCortexCortical dynamicsLocal propertiesSpectral powerIntrinsic local properties