2024
Spatial context non-uniformly modulates inter-laminar information flow in the primary visual cortex
Xu X, Morton M, Denagamage S, Hudson N, Nandy A, Jadi M. Spatial context non-uniformly modulates inter-laminar information flow in the primary visual cortex. Neuron 2024 PMID: 39442514, DOI: 10.1016/j.neuron.2024.09.021.Peer-Reviewed Original ResearchPrimary visual cortexVisual cortexInformation flowCommunication subspaceDimensionality reduction approachSensory hierarchyOrganization of objectsOutput layerSpatial organization of objectsInformation propagationPerceptual degradationCortical connectivityEffective feedback signalActivity of neuronal ensemblesContextual signalsInfluence information flowSpatial configurationNeuronal ensemblesNon-uniformityConfigurationReduction approachSpatial configuration of contextual stimuli influences inter-laminar interactions in macaque primary visual cortex
Xu X, Morton M, Hudson N, Nandy A, Jadi M. Spatial configuration of contextual stimuli influences inter-laminar interactions in macaque primary visual cortex. Journal Of Vision 2024, 24: 338. DOI: 10.1167/jov.24.10.338.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
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
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