1993
Depolarization inactivation of dopamine neurons: Terminal release characteristics
Moghaddam B, Bunney B. Depolarization inactivation of dopamine neurons: Terminal release characteristics. Synapse 1993, 14: 195-200. PMID: 8105547, DOI: 10.1002/syn.890140302.Peer-Reviewed Original ResearchConceptsExtracellular dopamine levelsChronic haloperidol treatmentDopamine levelsHaloperidol treatmentExtracellular levelsPerfusion of tetrodotoxinExcitatory amino acidsStriatal extracellular levelsVehicle-treated animalsExtracellular glutamate levelsHaloperidol-treated animalsMedial forebrain bundleStriatal dopamine systemGroups of animalsExogenous antagonistsChronic haloperidolChronic treatmentDepolarization inactivationExcitatory actionBasal outflowDopamine neuronsGlutamate levelsImpulse flowForebrain bundleMicrodialysis technique
1991
Neurotensin modulates autoreceptor mediated dopamine effects on midbrain dopamine cell activity
Shi W, Bunney B. Neurotensin modulates autoreceptor mediated dopamine effects on midbrain dopamine cell activity. Brain Research 1991, 543: 315-321. PMID: 1676331, DOI: 10.1016/0006-8993(91)90043-u.Peer-Reviewed Original ResearchConceptsDA cellsCell activityFiring rateDA cell activityInteraction of neurotensinGlutamate-induced excitationEffects of neurotensinMidbrain dopamine cell activityDopamine cell activityMidbrain dopamine neuronsSpecific D2 agonistMicroiontophoretic techniquesD2 agonistDopamine neuronsD2 receptorsDopamine effectsSpontaneous activityNeurotensinNT effectsLocal ejectionInhibitionSignificant changesCellsCell levelSame cells
1990
Effect ofl-glutamate on the release of striatal dopamine: in vivo dialysis and electrochemical studies
Moghaddam B, Gruen R, Roth R, Bunney B, Adams R. Effect ofl-glutamate on the release of striatal dopamine: in vivo dialysis and electrochemical studies. Brain Research 1990, 518: 55-60. PMID: 1975217, DOI: 10.1016/0006-8993(90)90953-9.Peer-Reviewed Original ResearchConceptsN-methyl-D-aspartate receptor antagonistVivo voltammetryExtracellular DA concentrationsMM GluDA outflowStriatal dopamineReceptor antagonistExtracellular dopamineRat striatumVivo dialysisMicrodialysis probeLocal applicationBasal levelsExtracellular concentrationPathophysiological conditionsVivo releaseDA concentrationDopamineL-glutamateField potentialsIonic changesSignificant increaseSelective microelectrodesDepressionStriatum
1984
The control of firing pattern in nigral dopamine neurons: single spike firing
Grace A, Bunney B. The control of firing pattern in nigral dopamine neurons: single spike firing. Journal Of Neuroscience 1984, 4: 2866-2876. PMID: 6150070, PMCID: PMC6564731, DOI: 10.1523/jneurosci.04-11-02866.1984.Peer-Reviewed Original ResearchConceptsSingle-spike firingDA cellsSlow depolarizationCalcium chelator EGTADopamine neuronsSpike firingCalcium-activated potassium conductanceActive DA cellsNigral dopamine neuronsChelator EGTAVivo intracellular recordingsDA neuronsDepolarization inactivationMembrane potentialIontophoretic applicationTrain of spikesIntracellular recordingsExcitatory substancesIntracellular injectionCalcium entryAction potentialsAfterhyperpolarizationPotassium conductanceRate of riseNeuronsThe control of firing pattern in nigral dopamine neurons: burst firing
Grace A, Bunney B. The control of firing pattern in nigral dopamine neurons: burst firing. Journal Of Neuroscience 1984, 4: 2877-2890. PMID: 6150071, PMCID: PMC6564720, DOI: 10.1523/jneurosci.04-11-02877.1984.Peer-Reviewed Original ResearchConceptsDA cellsIntracellular injectionBase-line firing rateFiring ratePotassium conductanceIntracellular calcium injectionNigral dopamine neuronsStriatal DA releaseVivo intracellular recordingsBurst-firing modeDegree of burstDA releaseDopamine neuronsExtracellular iontophoresisBurst firingIntracellular recordingsCalcium injectionDopamine cellsCalcium influxCalcium involvementBursting patternInjectionCellsConsecutive spikesBlockade