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
1998
The α-2a noradrenergic agonist, guanfacine, improves delayed response performance in young adult rhesus monkeys
Franowicz JS, Arnsten A. The α-2a noradrenergic agonist, guanfacine, improves delayed response performance in young adult rhesus monkeys. Psychopharmacology 1998, 136: 8-14. PMID: 9537677, DOI: 10.1007/s002130050533.Peer-Reviewed Original ResearchConceptsYoung adult rhesus monkeysAdult rhesus monkeysHigh dosesDorsolateral prefrontal cortical functionRhesus monkeysDose of idazoxanEffects of guanfacinePrefrontal cortical functionAntagonist idazoxanNoradrenergic agonistsCatecholamine depletionMild sedationAdrenergic agonistsCortical functionDrug effectsAged animalsGuanfacineAdrenergic receptorsLow dosesAged monkeysEffective doseIntact animalsIdazoxanDosesYoung animals
1991
Behavioral and receptor binding analysis of the α2-adrenergic agonist, 5-bromo-6 [2-imidazoline-2-YL amino] quinoxaline (UK-14304): evidence for cognitive enhancement at an α2-adrenoceptor subtype
Arnsten A, Leslie FM. Behavioral and receptor binding analysis of the α2-adrenergic agonist, 5-bromo-6 [2-imidazoline-2-YL amino] quinoxaline (UK-14304): evidence for cognitive enhancement at an α2-adrenoceptor subtype. Neuropharmacology 1991, 30: 1279-1289. PMID: 1686301, DOI: 10.1016/0028-3908(91)90024-6.Peer-Reviewed Original Research
1990
Analysis of alpha-2 adrenergic agonist effects on the delayed nonmatch-to-sample performance of aged rhesus monkeys
Arnsten A, Goldman-Rakic PS. Analysis of alpha-2 adrenergic agonist effects on the delayed nonmatch-to-sample performance of aged rhesus monkeys. Neurobiology Of Aging 1990, 11: 583-590. PMID: 1980719, DOI: 10.1016/0197-4580(90)90021-q.Peer-Reviewed Original Research
1988
The alpha-2 adrenergic agonist guanfacine improves memory in aged monkeys without sedative or hypotensive side effects: evidence for alpha-2 receptor subtypes
Arnsten A, Cai J, Goldman-Rakic P. The alpha-2 adrenergic agonist guanfacine improves memory in aged monkeys without sedative or hypotensive side effects: evidence for alpha-2 receptor subtypes. Journal Of Neuroscience 1988, 8: 4287-4298. PMID: 2903226, PMCID: PMC6569464, DOI: 10.1523/jneurosci.08-11-04287.1988.Peer-Reviewed Original ResearchConceptsAlpha-2 receptor subtypesB-HT920Alpha-2 agonistsReceptor subtypesRank order potencyLow dosesDose-response profilesBlood pressureSide effectsHigh dosesAlpha-2 adrenergic agonistsOrder potencyHypotensive side effectsSedative side effectsSubtypes of receptorsAged nonhuman primatesAged rhesus monkeysMemory-enhancing effectsMemory-impairing effectsClonidine effectAgonist guanfacineClonidineAdrenergic agonistsGuanfacineSedation