2024
Brain state and cortical layer-specific mechanisms underlying perception at threshold
Morton M, Denagamage S, Blume I, Reynolds J, Jadi M, Nandy A. Brain state and cortical layer-specific mechanisms underlying perception at threshold. ELife 2024, 12: rp91722. PMID: 39556415, PMCID: PMC11573349, DOI: 10.7554/elife.91722.Peer-Reviewed Original ResearchConceptsHIT trialsProcessing of sensory stimuliStable retinal imageBehavioral statesExcitatory neuronsNeural activitySpontaneous activityElevated synchronyPerceptual thresholdsCortical layersMeasures of stateElectrophysiological activitySensory stimuliRetinal imagesVisual area V4TrialsHeightened arousalTarget stimuliStimulus identityElevated arousalSuperficial layersFeed-forward pathwayStimulus changeCortical columnsIdentical stimuliDevelopment of a Marmoset Apparatus for Automated Pulling to study cooperative behaviors
Meisner O, Shi W, Fagan N, Greenwood J, Jadi M, Nandy A, Chang S. Development of a Marmoset Apparatus for Automated Pulling to study cooperative behaviors. ELife 2024, 13: rp97088. PMID: 39466838, PMCID: PMC11517257, DOI: 10.7554/elife.97088.Peer-Reviewed Original ResearchBrain-state mediated modulation of inter-laminar dependencies in visual cortex
Das A, Sheffield A, Nandy A, Jadi M. Brain-state mediated modulation of inter-laminar dependencies in visual cortex. Nature Communications 2024, 15: 5105. PMID: 38877026, PMCID: PMC11178935, DOI: 10.1038/s41467-024-49144-w.Peer-Reviewed Original ResearchConceptsBrain state fluctuationsUnique dependenceSpatial attentionBehavioral outcomesState fluctuationsDeployment of spatial attentionDeployment of attentionBehaviorally relevant objectsComputational goalCluttered environmentsVisual cortexObject recognitionExcitatory populationHierarchical computationVisual area V4Internal fluctuationsDependenceRelevant objectsModulation patternsTask demandsEnhance information transferCortical networksNeural activityInformation transferArea V4
2019
Optogenetically induced low-frequency correlations impair perception
Nandy A, Nassi JJ, Jadi MP, Reynolds J. Optogenetically induced low-frequency correlations impair perception. ELife 2019, 8: e35123. PMID: 30794156, PMCID: PMC6391072, DOI: 10.7554/elife.35123.Peer-Reviewed Original Research
2017
Cortical gamma band synchronization through somatostatin interneurons
Veit J, Hakim R, Jadi MP, Sejnowski TJ, Adesnik H. Cortical gamma band synchronization through somatostatin interneurons. Nature Neuroscience 2017, 20: 951-959. PMID: 28481348, PMCID: PMC5511041, DOI: 10.1038/nn.4562.Peer-Reviewed Original Research
2016
Neurons in Macaque Area V4 Are Tuned for Complex Spatio-Temporal Patterns
Nandy AS, Mitchell JF, Jadi MP, Reynolds JH. Neurons in Macaque Area V4 Are Tuned for Complex Spatio-Temporal Patterns. Neuron 2016, 91: 920-930. PMID: 27499085, PMCID: PMC4990477, DOI: 10.1016/j.neuron.2016.07.026.Peer-Reviewed Original Research
2015
Abnormal Gamma Oscillations in N-Methyl-D-Aspartate Receptor Hypofunction Models of Schizophrenia
Jadi MP, Behrens MM, Sejnowski TJ. Abnormal Gamma Oscillations in N-Methyl-D-Aspartate Receptor Hypofunction Models of Schizophrenia. Biological Psychiatry 2015, 79: 716-726. PMID: 26281716, PMCID: PMC4720598, DOI: 10.1016/j.biopsych.2015.07.005.Peer-Reviewed Original ResearchConceptsInhibitory neuronsGamma-band oscillationsNMDAR hypofunctionAnimal modelsN-methyl-D-aspartate (NMDA) receptor hypofunctionParvalbumin-expressing inhibitory neuronsAbnormal gamma oscillationsReceptor hypofunctionNMDAR antagonistsHypofunctionVisual cortexSZ symptomsSchizophreniaGamma oscillationsGenetic knockoutHuman subjectsBand oscillationsSymptomsNeuronsMagnetoencephalography (MEG) signalsPatientsAntagonistN-methylCortexNeuropharmacology
2012
Location-Dependent Excitatory Synaptic Interactions in Pyramidal Neuron Dendrites
Behabadi BF, Polsky A, Jadi M, Schiller J, Mel BW. Location-Dependent Excitatory Synaptic Interactions in Pyramidal Neuron Dendrites. PLOS Computational Biology 2012, 8: e1002599. PMID: 22829759, PMCID: PMC3400572, DOI: 10.1371/journal.pcbi.1002599.Peer-Reviewed Original ResearchConceptsExcitatory synaptic contactsPyramidal neuronsSynaptic contactsSpike thresholdExcitatory synaptic interactionsBasal dendritic arborsNeocortical pyramidal neuronsMore proximal inputsBasal dendritesExcitatory pathwaysDendritic arborsDistal excitationBrain slicesSynaptic projectionsSynaptic interactionsElectrophysiological recordingsProximal inputsResponse modulationFunctional asymmetryNeuronsPeak responseSomaDistal endPN responsesDendritesLocation-Dependent Effects of Inhibition on Local Spiking in Pyramidal Neuron Dendrites
Jadi M, Polsky A, Schiller J, Mel BW. Location-Dependent Effects of Inhibition on Local Spiking in Pyramidal Neuron Dendrites. PLOS Computational Biology 2012, 8: e1002550. PMID: 22719240, PMCID: PMC3375251, DOI: 10.1371/journal.pcbi.1002550.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAlpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnimalsCalcium SignalingComputational BiologyComputer SimulationDendritesExcitatory Postsynaptic PotentialsGamma-Aminobutyric AcidIn Vitro TechniquesMaleModels, NeurologicalN-MethylaspartatePyramidal CellsRatsRats, WistarSomatosensory CortexConceptsPyramidal neuronsDendritic inhibitionInterneuron typesDendritic spikesLayer 5 pyramidal neuronsSpike thresholdDistal dendritic inhibitionInhibitory interneuron typesSpike initiation zoneDendritic spike thresholdDifferent neural pathwaysBasal dendritesSynaptic contactsNeocortical slicesCortical circuitsDendritic responsesNeural pathwaysSomatic inhibitionLocal spikingSpike generationCortical computationRelative activationInhibitionDetailed compartmental modelNeurons