2000
Enhancement of NMDA‐induced current by the putative NR2B selective antagonist ifenprodil
Zhang X, Bunney B, Shi W. Enhancement of NMDA‐induced current by the putative NR2B selective antagonist ifenprodil. Synapse 2000, 37: 56-63. PMID: 10842351, DOI: 10.1002/(sici)1098-2396(200007)37:1<56::aid-syn6>3.0.co;2-d.Peer-Reviewed Original ResearchMeSH Keywords2-Amino-5-phosphonovalerateAnimalsDizocilpine MaleateDose-Response Relationship, DrugDrug SynergismElectrophysiologyExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsGlycineKynurenic AcidMaleMembrane PotentialsN-MethylaspartateOrgan Culture TechniquesPiperidinesPrefrontal CortexPyramidal CellsRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateSpermineConceptsLow NMDA concentrationsNMDA currentsNMDA concentrationReceptor affinityNMDA receptor affinityEffects of ifenprodilNR2B-selective antagonist ifenprodilEnhancement of NMDARat brain slicesNMDA receptorsAntagonist selectiveBrain slicesSubcortical areasNR2B subunitNMDANoncompetitive antagonistIfenprodilCGP37849Same concentrationKynurenatePrevious studiesAntagonistReceptors
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
1991
Midbrain dopamine system electrophysiological functioning: A review and new hypothesis
Bunney B, Chiodo L, Grace A. Midbrain dopamine system electrophysiological functioning: A review and new hypothesis. Synapse 1991, 9: 79-94. PMID: 1821487, DOI: 10.1002/syn.890090202.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell CommunicationDopamineElectrophysiologyFeedbackHumansMesencephalonModels, NeurologicalNervous System DiseasesNeuronsRepetitive 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
A small volume chamber for electrical recording from submerged brain slices and a pulse-free medium supply system using a peristalic pump
Shi W, Bunney B. A small volume chamber for electrical recording from submerged brain slices and a pulse-free medium supply system using a peristalic pump. Journal Of Neuroscience Methods 1990, 35: 235-240. PMID: 2084393, DOI: 10.1016/0165-0270(90)90129-4.Peer-Reviewed Original Research
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 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 ResearchMeSH KeywordsAnimalsAntipsychotic AgentsDopamineElectrophysiologyHumansIn Vitro TechniquesMesencephalonNeuronsConceptsAD 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 techniques
1987
Central dopamine-peptide interactions: Electrophysiological studies
Bunney B. Central dopamine-peptide interactions: Electrophysiological studies. Neuropharmacology 1987, 26: 1003-1009. PMID: 3309707, DOI: 10.1016/0028-3908(87)90079-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainCholecystokininDopamineElectrophysiologyEnkephalinsMorphineNeuropeptidesNeurotensinPeptidesTachykininsTetragastrinConceptsDA systemSelective non-peptide antagonistMidbrain DA systemsCentral DA systemsNon-peptide antagonistsPotential therapeutic valuePotential clinical interestDA neuronsDA cellsElectrophysiological studiesMental disordersTherapeutic valueEffects of peptidesSpecific receptorsAnatomical evidenceClinical interestEndogenous substancesPeptide systemBrainPhysiological activityVariety of peptidesBehavioral studiesPhysiological relevancePeptidesActive peptides
1985
An electrophysiological analysis of the actions of the 3-PPP enantiomers on the nigrostriatal dopamine system
Clark D, Engberg G, Pileblad E, Svensson T, Carlsson A, Freeman A, Bunney B. An electrophysiological analysis of the actions of the 3-PPP enantiomers on the nigrostriatal dopamine system. Naunyn-Schmiedeberg's Archives Of Pharmacology 1985, 329: 344-354. PMID: 4033804, DOI: 10.1007/bf00496366.Peer-Reviewed Original ResearchConceptsPostsynaptic DA receptorsInhibitory actionDA autoreceptorsDA receptorsNeuronal activityDA cell firing rateExtracellular single-unit recordingsCaudate neuronal activityDA neuronal activityGallamine-paralyzed ratsNigrostriatal DA systemNigrostriatal dopamine systemSingle-unit recordingsCell firing rateReticulata neuronsDA agonistsDA cellsIntravenous administrationMajority of cellsDopamine systemN-propylpiperidineUnit recordingsPartial agonistCell activityFiring rate
1984
Evidence for the absence of impulse-regulating somatodendritic and synthesis-modulating nerve terminal autoreceptors on subpopulations of mesocortical dopamine neurons
Chiodo L, Bannon M, Grace A, Roth R, Bunney B. Evidence for the absence of impulse-regulating somatodendritic and synthesis-modulating nerve terminal autoreceptors on subpopulations of mesocortical dopamine neurons. Neuroscience 1984, 12: 1-16. PMID: 6462443, DOI: 10.1016/0306-4522(84)90133-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexDendritesDopamineElectrophysiologyMaleNerve EndingsNeuronsRatsRats, Inbred StrainsReceptors, DopamineConceptsSpikes/sDopamine neuronsPiriform cortexDopamine levelsCaudate nucleusCingulate cortexIntravenous administrationDopamine cellsFiring rateGlyoxylic acid-induced histofluorescenceCatecholamine histofluorescence techniquesMesocortical dopamine neuronsNerve terminal autoreceptorsNigrostriatal dopamine cellsDose-dependent inhibitory responseDopamine agonist apomorphineBasal discharge rateMidbrain dopaminergic neuronsMidbrain dopaminergic systemMean firing rateMidbrain dopamine systemMesocortical neuronsAgonist apomorphineMicroiontophoretic applicationAntidromic activation
1983
Intracellular and extracellular electrophysiology of nigral dopaminergic neurons—1. Identification and characterization
Grace A, Bunney B. Intracellular and extracellular electrophysiology of nigral dopaminergic neurons—1. Identification and characterization. Neuroscience 1983, 10: 301-315. PMID: 6633863, DOI: 10.1016/0306-4522(83)90135-5.Peer-Reviewed Original ResearchConceptsAction potentialsDopamine neuronsDopamine cellsGlyoxylic acid-induced catecholamine fluorescenceInput resistanceDopamine synthesizing enzymePostsynaptic target areasIntracellular dopamine contentNigral dopamine cellsPossible modulatory effectDopamine-containing cellsIntracellular dopamine concentrationSame inhibitory effectHigh input resistanceInitial segmentAntidromic activationDopaminergic neuronsDopamine contentIntracellular recordingsDopamine synthesisCaudate nucleusElectrophysiological characteristicsTyrosine hydroxylaseCatecholamine fluorescenceModulatory effectsIntracellular and extracellular electrophysiology of nigral dopaminergic neurons—2. Action potential generating mechanisms and morphological correlates
Grace A, Bunney B. Intracellular and extracellular electrophysiology of nigral dopaminergic neurons—2. Action potential generating mechanisms and morphological correlates. Neuroscience 1983, 10: 317-331. PMID: 6633864, DOI: 10.1016/0306-4522(83)90136-7.Peer-Reviewed Original ResearchConceptsInitial segment spikesDopamine neuronsSlow depolarizationAction potentialsAxon hillockDendritic dopamine releaseLong-duration afterhyperpolarizationNigral dopamine neuronsLow-threshold spikesLucifer yellow injectionExtracellular recording techniquesLong-duration spikesAction potential generationDopaminergic neuronsSpecific ionic currentsIntracellular recordingsDopamine releaseIntracellular injectionElectrophysiological studiesDendritic spikesMajor dendritesNeuron 2Action potential generating mechanismSomatic regionNeuronal compartments
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 ResearchMeSH KeywordsAnimalsBehavior, AnimalBody WeightCaudate NucleusDopamineElectrophysiologyHaloperidolMaleMotor ActivityNeuronsRatsTime FactorsConceptsCaudate 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
1977
Electrophysiological studies of dopamine- innervated cells in the frontal cortex.
Bunney B, Aghajanian G. Electrophysiological studies of dopamine- innervated cells in the frontal cortex. Advances In Biochemical Psychopharmacology 1977, 16: 65-70. PMID: 329653.Peer-Reviewed Original Research
1975
Effects of molindone on central dopaminergic neuronal activity and metabolism: similarity to other neuroleptics.
Bunney B, Roth R, Aghajanian G. Effects of molindone on central dopaminergic neuronal activity and metabolism: similarity to other neuroleptics. Psychopharmacology Communications 1975, 1: 349-58. PMID: 1224004.Peer-Reviewed Original ResearchConceptsEffects of molindoneCentral dopaminergic neuronal activityExtracellular single-unit recordingsLow intravenous dosesDopaminergic neuronal activityDA neuron activityMost antipsychotic drugsBaseline firing rateSingle-unit recordingsDA metabolismDA neuronsIntravenous dosesClassical neurolepticsDopaminergic neuronsOlfactory tubercleDA cellsAntipsychotic drugsD-amphetamineInduced depressionRat midbrainDopamine synthesisNeuronal activityUnit recordingsNeuron activityMolindone