2013
Effort-related motivational effects of the pro-inflammatory cytokine interleukin 1-beta: studies with the concurrent fixed ratio 5/ chow feeding choice task
Nunes E, Randall P, Estrada A, Epling B, Hart E, Lee C, Baqi Y, Müller C, Correa M, Salamone J. Effort-related motivational effects of the pro-inflammatory cytokine interleukin 1-beta: studies with the concurrent fixed ratio 5/ chow feeding choice task. Psychopharmacology 2013, 231: 727-736. PMID: 24136220, PMCID: PMC4468782, DOI: 10.1007/s00213-013-3285-4.Peer-Reviewed Original ResearchConceptsPro-inflammatory cytokines interleukinIL-1βMotivational symptomsEffort-related choice behaviorCytokines interleukinLow dosesEffort-related motivational effectsEffort-related motivational symptomsPro-inflammatory cytokinesLoss of appetiteInvolvement of cytokinesAdministration of cytokinesRatio 5 leverSame dose rangeAdenosine A2A antagonistsEffort-related impairmentsCore body temperatureObjectivesThe present experimentsChow intakeMSX-3ResultsIL-1βAvailable chowFood intakeTendency of ratsA2A antagonists
2010
Differential effects of selective adenosine antagonists on the effort-related impairments induced by dopamine D1 and D2 antagonism
Nunes E, Randall P, Santerre J, Given A, Sager T, Correa M, Salamone J. Differential effects of selective adenosine antagonists on the effort-related impairments induced by dopamine D1 and D2 antagonism. Neuroscience 2010, 170: 268-280. PMID: 20600675, PMCID: PMC3268040, DOI: 10.1016/j.neuroscience.2010.05.068.Peer-Reviewed Original ResearchConceptsEffects of dopamineEffects of ecopipamSame striatal neuronsEffects of adenosineAbility of adenosineEffort-related impairmentsEffort-related choiceFood-seeking behaviorEffort-related choice behaviorConcurrent leverChow intakeDA transmissionSelective adenosine antagonistsStriatal neuronsReceptor antagonistRodent chowDopamine D1D2 antagonismPsychiatric symptomsPsychomotor slowingAdenosine antagonistEffort-related processesBrain circuitryAntagonistMesolimbic dopamine