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
1990
Neurotensin attenuates dopamine D2 agonist quinpirole-induced inhibition of midbrain dopamine neurons
Shi W, Bunney B. Neurotensin attenuates dopamine D2 agonist quinpirole-induced inhibition of midbrain dopamine neurons. Neuropharmacology 1990, 29: 1095-1097. PMID: 1982340, DOI: 10.1016/0028-3908(90)90119-c.Peer-Reviewed Original ResearchConceptsD2 agonistDA cellsSingle-unit recording techniquesMidbrain DA neuronsCentral DA systemsDopamine D2 agonistMidbrain dopamine neuronsSpecific D2 agonistDA neuronsIntracerebroventricular administrationDopamine neuronsSpontaneous activityDA systemInhibitory effectRecording techniquesAgonistsNeuronsBiochemical studiesCellsQuinpiroleNeurotensinRatsAdministrationAcute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study
Moghaddam B, Bunney B. Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study. Journal Of Neurochemistry 1990, 54: 1755-1760. PMID: 1969939, DOI: 10.1111/j.1471-4159.1990.tb01230.x.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexOutflow of dopamineRelease of dopamineNucleus accumbensAntipsychotic drugsPrefrontal cortexAcute effectsExtracellular levelsAtypical antipsychotic drug clozapineVivo microdialysis studyAtypical antipsychotic drugsEffects of sulpirideEffects of haloperidolAntipsychotic drug clozapineMicrodialysis studyVivo microdialysisDrug clozapineHaloperidolStriatumAccumbensCortexSulpirideExtracellular concentrationDopamineDrugsUtilization of microdialysis for assessing the release of mesotelencephalic dopamine following clozapine and other antipsychotic drugs
Moghaddam B, Bunney B. Utilization of microdialysis for assessing the release of mesotelencephalic dopamine following clozapine and other antipsychotic drugs. Progress In Neuro-Psychopharmacology And Biological Psychiatry 1990, 14: s51-s57. PMID: 2097674, DOI: 10.1016/0278-5846(90)90086-v.Peer-Reviewed Original ResearchConceptsAntipsychotic drugsDopamine systemNigrostriatal dopamine systemEffects of clozapineRelease of dopamineRat. 2Mesocortical dopamine systemAcute administrationVivo microdialysisMesotelencephalic systemNucleus accumbensPrefrontal effectPrefrontal cortexClozapineExtracellular concentrationDopamineHaloperidolMicrodialysisDrugsSulpirideMesolimbicStriatumAccumbensCortex
1989
The effect of acute and chronic treatment with SCH 23390 on the spontaneous activity of midbrain dopamine neurons
Esposito E, Bunney B. The effect of acute and chronic treatment with SCH 23390 on the spontaneous activity of midbrain dopamine neurons. European Journal Of Pharmacology 1989, 162: 109-113. PMID: 2656273, DOI: 10.1016/0014-2999(89)90609-2.Peer-Reviewed Original ResearchConceptsSubstantia nigra pars compactaVentral tegmental areaActive DA neuronsSCH 23390Chronic treatmentDA neuronsDopamine neuronsDepolarization blockSpontaneous activityDA receptor blockadeAcute subcutaneous injectionGroups of ratsMidbrain dopamine neuronsChronic haloperidolReceptor blockadeChronic administrationPars compactaTegmental areaAntipsychotic drugsSubcutaneous injectionChronic experimentsMarked reductionNeuronsTreatmentHaloperidol
1987
Population response of midbrain dopaminergic neurons to neuroleptics: further studies on time course and nondopaminergic neuronal influences
Chiodo L, Bunney B. Population response of midbrain dopaminergic neurons to neuroleptics: further studies on time course and nondopaminergic neuronal influences. Journal Of Neuroscience 1987, 7: 629-633. PMID: 2881987, PMCID: PMC6569064, DOI: 10.1523/jneurosci.07-03-00629.1987.Peer-Reviewed Original ResearchConceptsDepolarization-induced inactivationFiring rateDopaminergic neuronsDopamine receptor agonist apomorphineMonths' continuous treatmentAcute oral administrationBasal firing rateActive DA neuronsReceptor agonist apomorphineA10 dopaminergic neuronsActive dopamine neuronsClassical antipsychotic drugsDopamine-containing neuronsPresence of haloperidolHr of administrationLong-term treatmentMidbrain dopaminergic neuronsCholecystokinin receptor antagonistAge-matched controlsHaloperidol resultsA10 regionDA neuronsAcute administrationAgonist apomorphineNeuroleptic haloperidol
1986
Induction of depolarization block in midbrain dopamine neurons by repeated administration of haloperidol: analysis using in vivo intracellular recording.
Grace A, Bunney B. Induction of depolarization block in midbrain dopamine neurons by repeated administration of haloperidol: analysis using in vivo intracellular recording. Journal Of Pharmacology And Experimental Therapeutics 1986, 238: 1092-100. PMID: 3746660.Peer-Reviewed Original ResearchConceptsAdministration of haloperidolDopamine neuronsVivo intracellular recordingsDepolarization blockIntracellular recordingsNigral dopamine neuronsAdministration of neurolepticsActive dopamine neuronsSpontaneous spike activityDopamine agonist apomorphineAntipsychotic drug haloperidolSpontaneous electrophysiological activityMidbrain dopamine neuronsAcute administrationAgonist apomorphineSubstantia nigraControl ratsExcitatory driveDepolarization blockadeDrug haloperidolSpontaneous activitySpike activityFiring rateHaloperidolNeurons
1985
Possible mechanisms by which repeated clozapine administration differentially affects the activity of two subpopulations of midbrain dopamine neurons
Chiodo L, Bunney B. Possible mechanisms by which repeated clozapine administration differentially affects the activity of two subpopulations of midbrain dopamine neurons. Journal Of Neuroscience 1985, 5: 2539-2544. PMID: 2863337, PMCID: PMC6565310, DOI: 10.1523/jneurosci.05-09-02539.1985.Peer-Reviewed Original ResearchConceptsDA neuronsClozapine administrationChronic treatmentDepolarization inactivationExtracellular single cell recording techniquesInhibitory neurotransmitter gamma-aminobutyric acidNeurotransmitter gamma-aminobutyric acidVentral tegmental area (VTA) dopamineSingle cell recording techniquesA10 DA neuronsVivo spontaneous activityMidbrain DA neuronsChloral hydrate anesthesiaCombination of drugsMidbrain dopamine neuronsGamma-aminobutyric acidDifferential effectsMechanism of actionAcute treatmentMicroiontophoretic applicationSubstantia nigraReceptor antagonistDA cellsDopamine neuronsSpontaneous activityLow doses of apomorphine elicit two opposing influences on dopamine cell electrophysiology
Grace A, Bunney B. Low doses of apomorphine elicit two opposing influences on dopamine cell electrophysiology. Brain Research 1985, 333: 285-298. PMID: 3995296, DOI: 10.1016/0006-8993(85)91582-3.Peer-Reviewed Original ResearchConceptsDA cell firingDA cellsLow dosesInput resistanceDA agonistsReversal potentialStriatonigral pathwayCell firingCell firing rateElectrophysiological actionsApomorphine effectApomorphine administrationSlow depolarizationIntracellular recordingsIntravenous administrationDopamine cellsInhibitory inputsApomorphineStriatal cellsAction potentialsFiring rateAgonistsDosesCell dischargeCell electrophysiologyFiring properties of substantia nigra dopaminergic neurons in freely moving rats
Freeman A, Meltzer L, Bunney B. Firing properties of substantia nigra dopaminergic neurons in freely moving rats. Life Sciences 1985, 36: 1983-1994. PMID: 3990520, DOI: 10.1016/0024-3205(85)90448-5.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsApomorphineDopamineHaloperidolMaleNeuronsRatsRats, Inbred StrainsSubstantia NigraConceptsPutative DA neuronsDA neuronsDopaminergic neuronsParalyzed ratsSubstantia nigra dopaminergic neuronsFiring patternsPutative dopaminergic neuronsNigrostriatal DA systemNigra dopaminergic neuronsApomorphine-induced inhibitionSingle spike activityPattern of firingSingle-unit recordingsDegree of burstSubstantia nigraDA cellsElectrophysiological characteristicsUnit recordingsSpike activityFiring propertiesRatsFiring rateNeuronsDA systemCells
1984
The effects of phencyclidine and N-allylnormetazocine on midbrain dopamine neuronal activity
Freeman A, Bunney B. The effects of phencyclidine and N-allylnormetazocine on midbrain dopamine neuronal activity. European Journal Of Pharmacology 1984, 104: 287-293. PMID: 6094217, DOI: 10.1016/0014-2999(84)90404-7.Peer-Reviewed Original ResearchConceptsDA neuronsNeuronal activityN-allylnormetazocineMidbrain dopamine neuronal activitySingle-unit recording techniquesSubstantia nigra zona compactaFiring rateA10 DA neuronsDopamine neuronal activitySigma receptor agonistsMidbrain dopamine neuronsBaseline firing rateEffects of phencyclidineWeak inhibitory actionExcitatory effectsZona compactaHaloperidol pretreatmentDopamine neuronsReceptor agonistBiphasic effectInhibitory actionNeuronsRecording techniquesPhencyclidineDrugs
1983
Typical and atypical neuroleptics: differential effects of chronic administration on the activity of A9 and A10 midbrain dopaminergic neurons
Chiodo L, Bunney B. Typical and atypical neuroleptics: differential effects of chronic administration on the activity of A9 and A10 midbrain dopaminergic neurons. Journal Of Neuroscience 1983, 3: 1607-1619. PMID: 6135762, PMCID: PMC6564520, DOI: 10.1523/jneurosci.03-08-01607.1983.Peer-Reviewed Original ResearchConceptsExtrapyramidal side effectsDepolarization inactivationA10 neuronsAntipsychotic drugsDA neuronsDopaminergic neuronsSide effectsExtracellular single-unit recording techniquesExcitatory amino acid glutamateInhibitory neurotransmitter gamma-aminobutyric acidSingle-unit recording techniquesNeurotransmitter gamma-aminobutyric acidActive DA cellsA10 dopaminergic neuronsMidbrain dopaminergic neuronsGamma-aminobutyric acidActivity of A9Amino acid glutamateChronic administrationMicroiontophoretic applicationNeuroleptic treatmentNeuroleptic administrationAtypical neurolepticsTricyclic antidepressantsDA cells
1980
Effect of sensory stimuli on the activity of dopaminergic neurons: Involvement of non-dopaminergic nigral neurons and striato-nigral pathways
Hommer D, Bunney B. Effect of sensory stimuli on the activity of dopaminergic neurons: Involvement of non-dopaminergic nigral neurons and striato-nigral pathways. Life Sciences 1980, 27: 377-386. PMID: 7412480, DOI: 10.1016/0024-3205(80)90185-x.Peer-Reviewed Original ResearchConceptsStriato-nigral pathwayDopaminergic neuronsReticulata neuronsInhibitory periodSingle-unit recording techniquesNon-dopaminergic neuronsNigro-striatal pathwaySciatic nerve stimulationRat substantia nigraDopaminergic neuron activitySensory stimuliInitial inhibitionStimulation-induced changesActivity of dopaminergicNigral neuronsNerve stimulationSubstantia nigraNeuron activityNeuronsRecording techniquesHaloperidolLesionsInhibitionStimulationPathwayAcute and chronic haloperidol treatment: effects on nigrostriatal dopaminergic system activity.
Bunney B, Skirboll L, Grace A. Acute and chronic haloperidol treatment: effects on nigrostriatal dopaminergic system activity. Advances In Biochemical Psychopharmacology 1980, 24: 267-73. PMID: 7405666.Peer-Reviewed Original Research
1979
The effects of acute and chronic haloperidol treatment on spontaneously firing neurons in the caudate nucleus of the rat
Skirboll L, Bunney B. The effects of acute and chronic haloperidol treatment on spontaneously firing neurons in the caudate nucleus of the rat. Life Sciences 1979, 25: 1419-1433. PMID: 522610, DOI: 10.1016/0024-3205(79)90420-x.Peer-Reviewed Original ResearchConceptsCaudate nucleusIontophoretic dopamineChronic HAL treatmentChronic haloperidol treatmentDifferent treatment regimensEffects of haloperidolDays of treatmentType IDrug terminationPostsynaptic supersensitivityHaloperidol treatmentTardive dyskinesiaTreatment regimensDaily dosesHAL treatmentSingle doseSpontaneous activitySupersensitive responseTreatment groupsType I unitsHaloperidolType II unitsInhibitory effectDopamineActive type I
1978
Acute and chronic haloperidol treatment: Comparison of effects on nigral dopaminergic cell activity
Bunney B, Grace A. Acute and chronic haloperidol treatment: Comparison of effects on nigral dopaminergic cell activity. Life Sciences 1978, 23: 1715-1727. PMID: 31529, DOI: 10.1016/0024-3205(78)90471-x.Peer-Reviewed Original ResearchConceptsChronic haloperidol treatmentDA cellsHaloperidol treatmentControl animalsCell activityExtracellular single-unit recordingsDopaminergic cell activityDopaminergic neuronal activityNigral DA cellsNeurological side effectsDopamine cell activitySingle-unit recordingsFeedback pathwaysComparison of effectsDA neuronsTime-dependent mannerMicroiontophoretic techniquesClinical effectsKainic acidAntipsychotic drugsDepolarization blockCaudate nucleusNeuronal activitySide effectsUnit recordings
1973
Dopaminergic neurons: effect of antipsychotic drugs and amphetamine on single cell activity.
Bunney B, Walters J, Roth R, Aghajanian G. Dopaminergic neurons: effect of antipsychotic drugs and amphetamine on single cell activity. Journal Of Pharmacology And Experimental Therapeutics 1973, 185: 560-71. PMID: 4576427.Peer-Reviewed Original Research