2019
Model-Free and Model-Based Influences in Addiction-Related Behaviors
Groman SM, Massi B, Mathias SR, Lee D, Taylor JR. Model-Free and Model-Based Influences in Addiction-Related Behaviors. Biological Psychiatry 2019, 85: 936-945. PMID: 30737015, PMCID: PMC6534429, DOI: 10.1016/j.biopsych.2018.12.017.Peer-Reviewed Original ResearchConceptsDecision-making taskModel-based behaviorModel-free learningModel-based learningAbility of ratsChronic drug useUnrewarded outcomesIndividual differencesDrug-induced disruptionHabitual systemAddiction vulnerabilityModel-free reinforcementBehavioral platformAction selectionDrug useSubsequent methamphetamineCore featuresLearning mechanism
2018
Neurochemical and Behavioral Dissections of Decision-Making in a Rodent Multistage Task
Groman SM, Massi B, Mathias SR, Curry DW, Lee D, Taylor JR. Neurochemical and Behavioral Dissections of Decision-Making in a Rodent Multistage Task. Journal Of Neuroscience 2018, 39: 295-306. PMID: 30413646, PMCID: PMC6325257, DOI: 10.1523/jneurosci.2219-18.2018.Peer-Reviewed Original ResearchConceptsMultistage taskBehavioral platformDopamine toneDecision Making TaskValue-based choiceDecision-making taskNovel behavioral paradigmModel-based learningConsequences of actionsReinforcement learning systemNeuroscience studiesBehavioral paradigmsBiobehavioral mechanismsVentral striatumNeurobehavioral levelBehavioral dissectionNovel analytic approachCortex correlatesRetrospective appraisalChoice behaviorTaskBehavioral mechanismsMental disordersModel-based systemLearning