2012
Bursting as a source of non‐linear determinism in the firing patterns of nigral dopamine neurons
Jeong J, Shi W, Hoffman R, Oh J, Gore JC, Bunney BS, Peterson BS. Bursting as a source of non‐linear determinism in the firing patterns of nigral dopamine neurons. European Journal Of Neuroscience 2012, 36: 3214-3223. PMID: 22831464, PMCID: PMC3490015, DOI: 10.1111/j.1460-9568.2012.08238.x.Peer-Reviewed Original ResearchConceptsNigral dopamine neuronsDA neuronsFiring patternsComplex firing patternsDopamine neuronsBursting activityChloral hydrate-anesthetized ratsHalothane-anesthetized ratsRat substantia nigraReward-related learningSubstantia nigraPhasic burstsFiring activityNeuronsBursting neuronsRatsStochastic firing patternsVivoNon-linear deterministic structureActivityNigra
2007
Oscillatory firing of dopamine neurons: Differences between cells in the substantia nigra and ventral tegmental area
Zhang D, Yang S, Jin G, Bunney B, Shi W. Oscillatory firing of dopamine neurons: Differences between cells in the substantia nigra and ventral tegmental area. Synapse 2007, 62: 169-175. PMID: 18081182, DOI: 10.1002/syn.20479.Peer-Reviewed Original ResearchConceptsVentral tegmental areaDA neuronsSubstantia nigraDopamine neuronsTegmental areaSlow oscillationsChloral hydrate-anesthetized ratsSN DA neuronsVTA DA neuronsDegree of burstingVariability of firingAfferent inputAdjacent substantia nigraOscillatory firingFiring rateNeuronsNeuronal oscillationsNigraCellsFiringRatsBrainImportant roleFunctional Coupling between the Prefrontal Cortex and Dopamine Neurons in the Ventral Tegmental Area
Gao M, Liu C, Yang S, Jin G, Bunney B, Shi W. Functional Coupling between the Prefrontal Cortex and Dopamine Neurons in the Ventral Tegmental Area. Journal Of Neuroscience 2007, 27: 5414-5421. PMID: 17507563, PMCID: PMC6672349, DOI: 10.1523/jneurosci.5347-06.2007.Peer-Reviewed Original ResearchConceptsVentral tegmental areaVTA DA neuronsDA neuronsPrefrontal cortexPFC neuronsDopamine neuronsTegmental areaAction potential-dependent DA releaseSlow oscillationsChloral hydrate-anesthetized ratsIntra-PFC infusionsFunctional couplingPFC terminalsVTA DAGlutamate releaseDA releaseExcitatory influenceRelay neuronsInhibitory influenceCell activityBrain functionNeuronsImportant new insightsCortexMultiple pathways
1999
Endogenous DA‐mediated feedback inhibition of DA neurons: Involvement of both D1‐ and D2‐like receptors
Shi W, Pun C, Smith P, Bunney B. Endogenous DA‐mediated feedback inhibition of DA neurons: Involvement of both D1‐ and D2‐like receptors. Synapse 1999, 35: 111-119. PMID: 10611636, DOI: 10.1002/(sici)1098-2396(200002)35:2<111::aid-syn3>3.0.co;2-7.Peer-Reviewed Original ResearchConceptsDA neuronsLike receptorsDA cellsEndogenous DAChloral hydrate-anesthetized ratsNigral DA cellsD2-like receptorsSingle-unit recordingsCerveau isolé preparationFeedback inhibitionParkinsonian animalsAntagonist racloprideAntagonist SCH23390DA releaseEndogenous dopamineD-amphetamineParkinson's diseaseUnit recordingsSCH23390Receptor activationBaseline activityReceptorsChloral hydrateNeuronsConcurrent activation
1997
Characterization of dopamine‐induced depolarization of prefrontal cortical neurons
Shi W, Zheng P, Liang X, Bunney B. Characterization of dopamine‐induced depolarization of prefrontal cortical neurons. Synapse 1997, 26: 415-422. PMID: 9215600, DOI: 10.1002/(sici)1098-2396(199708)26:4<415::aid-syn9>3.0.co;2-9.Peer-Reviewed Original ResearchConceptsEffects of dopaminePFC neuronsDA agonistsPrefrontal cortexAtypical antipsychotic drug clozapinePrefrontal cortical neuronsRat brain slicesAntipsychotic drug clozapineWhole-cell recordingsPFC pyramidal cellsSynaptic blockadeDA receptorsBeta antagonistDA antagonistsSubstantia nigraCortical neuronsPyramidal cellsBrain slicesDrug clozapineCell recordingsNeuronsAntagonistNonspecific mechanismsDopamineDepolarization
1996
Effects of Lesions in the Medial Prefrontal Cortex on the Activity of Midbrain Dopamine Neurons
Shim S, Bunney B, Shi W. Effects of Lesions in the Medial Prefrontal Cortex on the Activity of Midbrain Dopamine Neurons. Neuropsychopharmacology 1996, 15: 437-441. PMID: 8914116, DOI: 10.1016/s0893-133x(96)00052-8.Peer-Reviewed Original ResearchConceptsVentral tegmental areaDA neuronsPrefrontal cortexSubstantia nigraPFC lesionsBursting activityFiring rateActive DA cellsSN DA neuronsActive DA neuronsMidbrain dopamine neuronsSingle-unit recordingsMedial prefrontal cortexDA cellsDopamine neuronsTegmental areaLocal injectionIbotenic acidUnit recordingsLesionsSame lesionNeuronsRatsActivityCortex
1995
Nonlinear sequence-dependent structure of nigral dopamine neuron interspike interval firing patterns
Hoffman R, Shi W, Bunney B. Nonlinear sequence-dependent structure of nigral dopamine neuron interspike interval firing patterns. Biophysical Journal 1995, 69: 128-137. PMID: 7669889, PMCID: PMC1236231, DOI: 10.1016/s0006-3495(95)79882-4.Peer-Reviewed Original ResearchConceptsNonlinear deterministic structureDeterministic structureNumber of degreesDopamine neuronsDynamical analysisEffect of nonstationarityRandom processFiring patternsNigral dopamine neuronsRat substantia nigraSubstantia nigraSynaptic inputsISI sequencesNeuron responsesTime seriesNeural circuit interactionsSequence-dependent structureNeuronsFiring modesCircuit interactionsOverall predictabilityNonstationarity
1992
Roles of intracellular cAMP and protein kinase A in the actions of dopamine and neurotensin on midbrain dopamine neurons
Shi W, Bunney B. Roles of intracellular cAMP and protein kinase A in the actions of dopamine and neurotensin on midbrain dopamine neurons. Journal Of Neuroscience 1992, 12: 2433-2438. PMID: 1318960, PMCID: PMC6575923, DOI: 10.1523/jneurosci.12-06-02433.1992.Peer-Reviewed Original ResearchConceptsDopamine-induced inhibitionEffects of neurotensinDopamine neuronsIntracellular cAMPAdenylate cyclaseAction of neurotensinRat midbrain slicesAction of dopamineVentral tegmental areaMidbrain dopamine neuronsIntracellular cAMP levelsMidbrain slicesSubstantia nigraTegmental areaDopamine cellsDopamine effectsSpontaneous activityModulatory effectsNeurotensinIsobutyl methylxanthineInhibitory effectNeuronsCAMP levelsProtein kinase CInhibition
1991
Repetitive firing properties of putative dopamine-containing neurons in vitro: regulation by an apamin-sensitive Ca2+-activated K+ conductance
Shepard P, Bunney B. Repetitive firing properties of putative dopamine-containing neurons in vitro: regulation by an apamin-sensitive Ca2+-activated K+ conductance. Experimental Brain Research 1991, 86: 141-150. PMID: 1756785, DOI: 10.1007/bf00231048.Peer-Reviewed Original ResearchConceptsAction potentialsPutative dopamine-containing neuronsEffects of apaminDopamine-containing neuronsIntracellular recording techniquesPost-spike afterhyperpolarizationRepetitive firing propertiesTypes of Ca2Apamin-sensitive Ca2Adaptive neuronal responsesZona compactaSubstantia nigraBath applicationInhibitory periodNeuronal responsesAfterhyperpolarizationApaminFiring propertiesRecording techniquesCellular mechanismsElectroresponsive propertiesFrequency adaptationSelective inhibitorInterspike intervalsNeurons
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 studiesCellsQuinpiroleNeurotensinRatsAdministration
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
1988
Effects of apamin on the discharge properties of putative dopamine-containing neurons in vitro
Shepard P, Bunney B. Effects of apamin on the discharge properties of putative dopamine-containing neurons in vitro. Brain Research 1988, 463: 380-384. PMID: 3196925, DOI: 10.1016/0006-8993(88)90414-3.Peer-Reviewed Original ResearchConceptsDopamine-containing neuronsPutative dopamine-containing neuronsEffects of apaminCalcium-activated potassium conductanceCalcium-activated potassium channelsBrain slice preparationApamin administrationSubstantia nigraSlice preparationNeuronal excitabilityBursting activityPotassium conductancePotassium channelsNeuronsSelective inhibitorApaminRegular activitiesExcitabilityAdministrationNigraEffects of Acute and Chronic Neuroleptic Treatment on the Activity of Mid brain Dopamine Neuronsa
BUNNEY B. Effects of Acute and Chronic Neuroleptic Treatment on the Activity of Mid brain Dopamine Neuronsa. Annals Of The New York Academy Of Sciences 1988, 537: 77-85. PMID: 2904786, DOI: 10.1111/j.1749-6632.1988.tb42097.x.Peer-Reviewed Original ResearchConceptsAD administrationDA releaseDA cell activityChronic neuroleptic treatmentMidbrain DA neuronsRelease of DAEffects of AcuteNeurological side effectsDA neuronsNeuroleptic treatmentAcute effectsNerve terminalsSpontaneous activitySide effectsCell activityMarked increaseAdministrationProjection areaPrimary effectReleaseAcuteMarked effectNeuronsActivityBiochemical techniquesIntracellular studies of dopamine neurons in vitro: pacemakers modulated by dopamine
Silva N, Bunney B. Intracellular studies of dopamine neurons in vitro: pacemakers modulated by dopamine. European Journal Of Pharmacology 1988, 149: 307-315. PMID: 3409955, DOI: 10.1016/0014-2999(88)90661-9.Peer-Reviewed Original ResearchConceptsSensitive neuronsInput resistanceAdministration of DADA-sensitive neuronsSelective D2 antagonistPacemaker-like activityHigh input resistanceZona compactaDA actionD2 antagonistDopamine neuronsIntracellular recordingsFiring rateIntracellular studyNeuronsReversal potentialTissue slicesDopamineHyperpolarizationSulpirideAntagonistCompactaAdministration
1987
The Electrophysiological and Biochemical Pharmacology of the Mesolimbic and Mesocortical Dopamine Neurons
Bannon M, Freeman A, Chiodo L, Bunney B, Roth R. The Electrophysiological and Biochemical Pharmacology of the Mesolimbic and Mesocortical Dopamine Neurons. 1987, 329-374. DOI: 10.1007/978-1-4613-1819-4_5.Peer-Reviewed Original ResearchMidbrain DA systemsDA systemDA-sensitive adenylate cyclaseMesocortical DA systemMesocortical dopamine neuronsNorepinephrine-containing neuronsMidbrain DA neuronsNigrostriatal DA systemMesolimbic DA systemAnatomical studyFluorescence histochemical techniqueSubsequent anatomical studiesDA neuronsNeurons projectCerebral cortexDA pathwayDopamine neuronsLimbic regionsMidbrain dopamineUnconditioned behaviorTopic of reviewNeuronsAdenylate cyclaseBiochemical pharmacologyAnatomical aspects
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
Firing 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 ResearchConceptsPutative 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 systemCellsDopamine
Grace A, Bunney B. Dopamine. 1985, 285-319. DOI: 10.1007/978-1-4684-4961-7_9.Peer-Reviewed Original ResearchCatecholamine systemsBrain DA systemsFluorescence histochemical techniqueHistochemical fluorescence techniqueBiosynthesis of norepinephrinePrecise anatomical localizationBrain dopamineDopaminergic neuronsStriatal dopamineParkinson's diseaseAnatomical localizationNeuronal populationsAnatomical locationBrain functionDA systemDopamineStudy of dopamineHistochemical techniquesNorepinephrineNeurophysiological analysisDiseaseNeuronsBrainProjection areaBiochemical data
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 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