1997
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 efficacy
1993
Postsynaptic alpha-2 receptor stimulation improves memory in aged monkeys: Indirect effects of yohimbine versus direct effects of clonidine
Arnsten A, Cai JX. Postsynaptic alpha-2 receptor stimulation improves memory in aged monkeys: Indirect effects of yohimbine versus direct effects of clonidine. Neurobiology Of Aging 1993, 14: 597-603. PMID: 7905189, DOI: 10.1016/0197-4580(93)90044-c.Peer-Reviewed Original ResearchConceptsPostsynaptic alpha-2 adrenoceptorsPostsynaptic alpha-2 receptorsAlpha-2 adrenoceptorsAlpha 2 receptorsAged monkeysAged animalsAlpha-2 receptor stimulationAlpha-2 adrenergic antagonistBeneficial effectsAlpha-2 antagonistAlpha-2 agonistsCognitive-enhancing effectsNE systemClonidine actsNE releaseAdrenergic antagonistsYohimbine treatmentReceptor stimulationLow dosesClonidineYohimbineNorepinephrineBeneficial dosesYoung monkeysMonkeys