2024
Retrosplenial inputs drive visual representations in the medial entorhinal cortex
Dubanet O, Higley M. Retrosplenial inputs drive visual representations in the medial entorhinal cortex. Cell Reports 2024, 43: 114470. PMID: 38985682, PMCID: PMC11300029, DOI: 10.1016/j.celrep.2024.114470.Peer-Reviewed Original ResearchMedial entorhinal cortexRepresentation of locationNeural representations of locationReduced visual responsesSensory-evoked activityVisual cuesFraction of neuronsEntorhinal cortexHead-fixed miceRetrosplenial cortexVisual representationAccurate navigationOptogenetic suppressionNavigationNeural representationDorsal mECResponsive cellsLayer 3Visual inputVisually responsive cellsVisual areasVisual responsesRepresentationCortexNavigation circuitTraumatic brain injury disrupts state-dependent functional cortical connectivity in a mouse model
Bottom-Tanzer S, Corella S, Meyer J, Sommer M, Bolaños L, Murphy T, Quiñones S, Heiney S, Shtrahman M, Whalen M, Oren R, Higley M, Cardin J, Noubary F, Armbruster M, Dulla C. Traumatic brain injury disrupts state-dependent functional cortical connectivity in a mouse model. Cerebral Cortex 2024, 34: bhae038. PMID: 38365273, PMCID: PMC11486687, DOI: 10.1093/cercor/bhae038.Peer-Reviewed Original ResearchConceptsControlled cortical impactTraumatic brain injuryFunctional connectivityDisrupted functional connectivityAssociated with improved cognitionReduced theta powerBrain injuryHuman TBI patientsModel of traumatic brain injuryBehavioral state-dependent changesNetwork connectivity changesFunctional cortical connectivityBrain regionsTheta powerConnectivity changesState-dependent changesCortical impactPeriods of locomotionCortical connectivityTBI patientsRodent modelsECoG activityMotor dysfunctionCortexInjured cortex
2020
NMDAR-Dependent Emergence of Behavioral Representation in Primary Visual Cortex
Puścian A, Benisty H, Higley MJ. NMDAR-Dependent Emergence of Behavioral Representation in Primary Visual Cortex. Cell Reports 2020, 32: 107970. PMID: 32726633, PMCID: PMC7431963, DOI: 10.1016/j.celrep.2020.107970.Peer-Reviewed Original ResearchConceptsPrimary visual cortexVisual cortexNMDA-type glutamate receptorsNeocortical sensory areasFunctional plasticityConsiderable functional plasticityPyramidal cellsGlutamate receptorsCell-autonomous expressionV1 neuronsVisual task performanceSensory areasExperience-dependent emergenceCortical networksBehavioral outputCortexVisual inputBehavioral demandsMiceNeuronsReceptors
2019
Layer 5 Circuits in V1 Differentially Control Visuomotor Behavior
Tang L, Higley MJ. Layer 5 Circuits in V1 Differentially Control Visuomotor Behavior. Neuron 2019, 105: 346-354.e5. PMID: 31757603, PMCID: PMC6981039, DOI: 10.1016/j.neuron.2019.10.014.Peer-Reviewed Original ResearchConceptsPyramidal neuronsNeocortical sensory areasPrimary visual cortexDistinct brain areasEyeblink conditioning taskCorticopontine neuronsAxonal projectionsBrain areasCortical subnetworksVisual cortexCalcium imagingVisuomotor behaviorSensory areasOptogenetic manipulationNeuronsConditioning taskDistinct targetsCortexMice