Featured Publications
Orthonasal versus retronasal glomerular activity in rat olfactory bulb by fMRI
Sanganahalli BG, Baker KL, Thompson GJ, Herman P, Shepherd GM, Verhagen JV, Hyder F. Orthonasal versus retronasal glomerular activity in rat olfactory bulb by fMRI. NeuroImage 2020, 212: 116664. PMID: 32087375, PMCID: PMC9362851, DOI: 10.1016/j.neuroimage.2020.116664.Peer-Reviewed Original ResearchConceptsRat olfactory bulbOlfactory bulbWhole olfactory bulbOlfactory receptor neuronsFunctional MRINasal cavityRetronasal stimuliGlomerular sheetDorsal-medial regionsDelivery routeRetronasal stimulationSimilar response amplitudesGlomerular activityFMRI activation mapsSame odorReceptor neuronsDorsal regionNeural responsesOdor representationsLateral regionsSame odorantOrthonasalUnderlie differencesResponse amplitudeResponse patterns
2015
Comparison of glomerular activity patterns by fMRI and wide-field calcium imaging: Implications for principles underlying odor mapping
Sanganahalli BG, Rebello MR, Herman P, Papademetris X, Shepherd GM, Verhagen JV, Hyder F. Comparison of glomerular activity patterns by fMRI and wide-field calcium imaging: Implications for principles underlying odor mapping. NeuroImage 2015, 126: 208-218. PMID: 26631819, PMCID: PMC4733588, DOI: 10.1016/j.neuroimage.2015.11.048.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingHigh-resolution functional magnetic resonance imagingPost-synaptic activityPre-synaptic inputOlfactory bulb glomeruliFunctional imaging signalsWide-field calcium imagingMagnetic resonance imagingHemodynamic eventsAnesthetized ratsGlomerular layerNeuronal circuitryGlomerular clustersGlomerular patternNeuropil regionsCalcium imagingDye imagingResonance imagingActivity patternsDeoxyhemoglobin contrastGlomerular activity patternsGlomerular sheetGlomerular networkGlomeruli