Hierarchy of transcriptomic specialization across human cortex captured by structural neuroimaging topography
Burt JB, Demirtaş M, Eckner WJ, Navejar NM, Ji JL, Martin WJ, Bernacchia A, Anticevic A, Murray JD. Hierarchy of transcriptomic specialization across human cortex captured by structural neuroimaging topography. Nature Neuroscience 2018, 21: 1251-1259. PMID: 30082915, PMCID: PMC6119093, DOI: 10.1038/s41593-018-0195-0.Peer-Reviewed Original ResearchConfluence of Timing and Reward Biases in Perceptual Decision-Making Dynamics
Shinn M, Ehrlich D, Lee D, Murray JD, Seo H. Confluence of Timing and Reward Biases in Perceptual Decision-Making Dynamics. Journal Of Neuroscience 2020, 40: 7326-7342. PMID: 32839233, PMCID: PMC7534922, DOI: 10.1523/jneurosci.0544-20.2020.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiasBrainDecision MakingMacaca mulattaMaleModels, NeurologicalPerceptionRewardTime FactorsConceptsDecision-making taskReward biasesDecision-making strategiesPerceptual decision-making taskNovel decision-making taskGeneralized drift-diffusion modelsResponse time patternsTiming mechanismTemporal structureCognitive mechanismsSensory evidenceDecision-making dynamicsUrgency signalAsymmetric rewardsNeural mechanismsStimulus timingDrift-diffusion modelTemporal contextLeaky integrationRewardReward structureTemporal uncertaintyEvidence reliabilityEveryday lifeSuch regularitiesA circuit mechanism for decision-making biases and NMDA receptor hypofunction
Cavanagh SE, Lam NH, Murray JD, Hunt LT, Kennerley SW. A circuit mechanism for decision-making biases and NMDA receptor hypofunction. ELife 2020, 9: e53664. PMID: 32988455, PMCID: PMC7524553, DOI: 10.7554/elife.53664.Peer-Reviewed Original ResearchConceptsNMDA-R hypofunctionCortical excitation/inhibition balanceExcitation/inhibition balanceNMDA receptor hypofunctionNMDA receptor antagonismNMDA-R antagonist ketamineCircuit-level mechanismsPotential neural mechanismsNeuropsychiatric symptomsReceptor hypofunctionReceptor antagonismInhibition balanceExcitatory neuronsInhibitory neuronsPharmacological modelPharmacological manipulationNeuropsychiatric disordersCircuit mechanismsHypofunctionVariable evidenceNeural mechanismsKetamineNeuronsBehavioral psychophysicsPossible effectsTrial-to-Trial Variability of Spiking Delay Activity in Prefrontal Cortex Constrains Burst-Coding Models of Working Memory
Li D, Constantinidis C, Murray JD. Trial-to-Trial Variability of Spiking Delay Activity in Prefrontal Cortex Constrains Burst-Coding Models of Working Memory. Journal Of Neuroscience 2021, 41: 8928-8945. PMID: 34551937, PMCID: PMC8549532, DOI: 10.1523/jneurosci.0167-21.2021.Peer-Reviewed Original ResearchConceptsTrial variabilityTransient neuronal suppression for exploitation of new sensory evidence
Shinn M, Lee D, Murray JD, Seo H. Transient neuronal suppression for exploitation of new sensory evidence. Nature Communications 2022, 13: 23. PMID: 35013222, PMCID: PMC8748884, DOI: 10.1038/s41467-021-27697-4.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainDecision MakingFrontal LobeMacaca mulattaMaleNeuronsPhotic StimulationSaccadesConceptsSensory evidenceNeural activityNew sensory evidenceGeneralized drift-diffusion modelsBehavioral responsesFrontal eye fieldConsistency of behaviorMultiple brain areasPerceptual decisionsEvidence accumulationStimulus onsetAnimal's behavioral responseMotor preparationDrift-diffusion modelEye fieldMomentary arrestTemporal integrationBehavioral studiesBrain areasCorresponding dipMotor outputBrief suppressionNeuronal suppressionVariable delayStimulus strength