1999
Treatment with the Noradrenergic Alpha-2 Agonist Clonidine, But Not Diazepam, Improves Spatial Working Memory in Normal Young Rhesus Monkeys
Franowicz J, Arnsten A. Treatment with the Noradrenergic Alpha-2 Agonist Clonidine, But Not Diazepam, Improves Spatial Working Memory in Normal Young Rhesus Monkeys. Neuropsychopharmacology 1999, 21: 611-621. PMID: 10516957, DOI: 10.1016/s0893-133x(99)00060-3.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic alpha-AgonistsAdrenergic alpha-AntagonistsAdrenergic Uptake InhibitorsAnimalsBehavior, AnimalClonidineCognitionDiazepamDose-Response Relationship, DrugFemaleHypnotics and SedativesIdazoxanMacaca mulattaMemoryReaction TimeReceptors, Adrenergic, alpha-2ReserpineSpace PerceptionConceptsAlpha 2 agonist clonidineEffects of clonidineSpatial working memoryChronic reserpine treatmentYoung adult monkeysPrefrontal cortical functionYoung adult humansYoung rhesus monkeysAgonist clonidineReserpine treatmentCortical functionClonidineHuman studiesAdult monkeysHigh dosesLow dosesRhesus monkeysAged monkeysNonhuman primatesDose rangeAdult humansInsufficient dosageConflicting resultsYoung monkeysMonkeys
1997
Noradrenergic Influences on Prefrontal Cortical Cognitive Function: Opposing Actions at Postjunctional α1 Versus α2-Adrenergic Receptors
Arnsten A, Steere JC, Jentsch DJ, Li BM. Noradrenergic Influences on Prefrontal Cortical Cognitive Function: Opposing Actions at Postjunctional α1 Versus α2-Adrenergic Receptors. Advances In Pharmacology 1997, 42: 764-767. PMID: 9328010, DOI: 10.1016/s1054-3589(08)60859-5.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsPrefrontal cortexNE releaseΑ2 receptorsCognitive impairmentBeneficial effectsPFC functionBasal NE releasePrefrontal cortical cognitive functionΑ2-adrenergic receptorsCortical cognitive functionsPotential cognitive enhancersAttention deficit hyperactivity disorderMemory functionDeficit hyperactivity disorderPostsynaptic α1Α1d subtypesNE terminalsΑ-adrenoceptorsΑ2 agonistsLithium medicationNoradrenergic influenceOpen trialLithium pretreatmentΑ2A subtypeΑ2A receptors
1995
Dopamine D2 receptor mechanisms contribute to age-related cognitive decline: the effects of quinpirole on memory and motor performance in monkeys
Arnsten A, Cai J, Steere J, Goldman-Rakic P. Dopamine D2 receptor mechanisms contribute to age-related cognitive decline: the effects of quinpirole on memory and motor performance in monkeys. Journal Of Neuroscience 1995, 15: 3429-3439. PMID: 7751922, PMCID: PMC6578230, DOI: 10.1523/jneurosci.15-05-03429.1995.Peer-Reviewed Original ResearchConceptsYoung adult monkeysFine motor tasksFine motor performanceAge-related cognitive declineAdult monkeysCognitive declineMotor performanceAged monkeysD2 dopamine receptor agonistDopamine D2 receptor mechanismsMotor tasksAged monkey brainsD2 receptor mechanismsDopamine receptor agonistsPrefrontal cortical cognitive functionEffects of quinpiroleD2 receptor functionCortical cognitive functionsAge-related lossDelayed response performanceQuinpirole responseDA depletionMotor cortexD2 autoreceptorsPostsynaptic receptors