Supranormal Stimulation of D1 Dopamine Receptors in the Rodent Prefrontal Cortex Impairs Spatial Working Memory Performance
Zahrt J, Taylor J, Mathew R, Arnsten A. Supranormal Stimulation of D1 Dopamine Receptors in the Rodent Prefrontal Cortex Impairs Spatial Working Memory Performance. Journal Of Neuroscience 1997, 17: 8528-8535. PMID: 9334425, PMCID: PMC6573725, DOI: 10.1523/jneurosci.17-21-08528.1997.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzazepinesDopamineDopamine AgonistsDopamine AntagonistsInfusions, ParenteralMaleMaze LearningMemoryModels, NeurologicalModels, PsychologicalPrefrontal CortexPsychomotor PerformanceRatsRats, Sprague-DawleyReceptors, Dopamine D1Receptors, N-Methyl-D-AspartateSpatial BehaviorStress, PsychologicalConceptsD1 receptor stimulationPrefrontal cortexReceptor stimulationSKF 81297SCH 23390D1 receptorsSupranormal stimulationPFC of ratsD1 receptor mechanismsDA receptor stimulationDose-related impairmentD1 receptor antagonistD1 receptor agonistD1 dopamine receptorsDelayed-alternation performanceMemory functionRecent electrophysiological studiesSpatial Working Memory PerformanceReceptor antagonistReceptor agonistDopamine receptorsReceptor mechanismsElectrophysiological studiesHigh dosesDrug efficacyClozapine Reverses the Spatial Working Memory Deficits Induced by FG7142 in Monkeys
Murphy B, Roth R, Arnsten A. Clozapine Reverses the Spatial Working Memory Deficits Induced by FG7142 in Monkeys. Neuropsychopharmacology 1997, 16: 433-437. PMID: 9165499, DOI: 10.1016/s0893-133x(97)00019-5.Peer-Reviewed Original ResearchConceptsMemory deficitsClozapine dosesCognitive deficitsDA receptor stimulationLow clozapine dosesDose-related impairmentPFC cognitive deficitsSpatial Working Memory DeficitsClozapine pretreatmentClozapine reversesAtypical neurolepticsPharmacological stressorDopamine dysregulationReceptor stimulationCognitive functionNonhuman primatesClinical rangeDosesWorking Memory DeficitsClozapineMonkeysDeficitsFG7142SchizophreniaCurrent study