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 stimuliBrain 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 DOI: 10.7554/elife.91722.4.Peer-Reviewed Original ResearchHIT 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 stimuli
2023
Laminar compartmentalization of attention modulation in area V4 aligns with the demands of visual processing hierarchy in the cortex
Wang X, Nandy A, Jadi M. Laminar compartmentalization of attention modulation in area V4 aligns with the demands of visual processing hierarchy in the cortex. Scientific Reports 2023, 13: 19558. PMID: 37945642, PMCID: PMC10636153, DOI: 10.1038/s41598-023-46722-8.Peer-Reviewed Original ResearchConceptsArea V4Early visual areasVisual areasPutative excitatory neuronsLow-contrast stimuliVisual area V4Superficial neuronsExcitatory neuronsInhibitory neuronsLaminar differencesVisual processing hierarchyCortical layersContrast stimuliProcessing hierarchyNeuronsNeural responsesSuperficial layersAttention modulationCritical hubHighest areaAttentional modulationDeeper layersVisual hierarchyAttentive stateLater stages