Featured Publications
Reward-Mediated, Model-Free Reinforcement-Learning Mechanisms in Pavlovian and Instrumental Tasks Are Related
Afshar N, Cinotti F, Martin D, Khamassi M, Calu DJ, Taylor JR, Groman SM. Reward-Mediated, Model-Free Reinforcement-Learning Mechanisms in Pavlovian and Instrumental Tasks Are Related. Journal Of Neuroscience 2022, 43: 458-471. PMID: 36216504, PMCID: PMC9864557, DOI: 10.1523/jneurosci.1113-22.2022.Peer-Reviewed Original ResearchConceptsGoal-tracking behaviorReinforcement learning mechanismInstrumental learning processesSign-tracking behaviorModel-free reinforcementApproach taskInstrumental taskInstrumental behaviorBehavioral proceduresSubjects designLearning mechanismDecision Making TaskModel-based computationLearning processModel-free reinforcement learningPredictive cuesIncentive salienceAssociative learningIndividual differencesComputational mechanismsDecision-making processPavlovianModel-based algorithmValue representationAction valuesExamining sex differences in responses to footshock stress and the role of the metabotropic glutamate receptor 5: an [18F]FPEB and positron emission tomography study in rats
Asch RH, Pothula S, Toyonaga T, Fowles K, Groman SM, Garcia-Milian R, DiLeone RJ, Taylor JR, Esterlis I. Examining sex differences in responses to footshock stress and the role of the metabotropic glutamate receptor 5: an [18F]FPEB and positron emission tomography study in rats. Neuropsychopharmacology 2022, 48: 489-497. PMID: 36100654, PMCID: PMC9852230, DOI: 10.1038/s41386-022-01441-y.Peer-Reviewed Original ResearchDynamic structural equation modeling of the relationship between alcohol habit and drinking variability
DeMartini KS, Gueorguieva R, Taylor JR, Krishnan-Sarin S, Pearlson G, Krystal JH, O'Malley SS. Dynamic structural equation modeling of the relationship between alcohol habit and drinking variability. Drug And Alcohol Dependence 2021, 233: 109202. PMID: 35151022, PMCID: PMC10046111, DOI: 10.1016/j.drugalcdep.2021.109202.Peer-Reviewed Original ResearchReinforcement learning detuned in addiction: integrative and translational approaches
Groman SM, Thompson SL, Lee D, Taylor JR. Reinforcement learning detuned in addiction: integrative and translational approaches. Trends In Neurosciences 2021, 45: 96-105. PMID: 34920884, PMCID: PMC8770604, DOI: 10.1016/j.tins.2021.11.007.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsDecision-making deficitsPathophysiology of addictionDecision-making strategiesBiobehavioral mechanismsAddictionReinforcement learningDecision-making processDrug useTranslational approachComputational componentsDeficitsLearningDifferent componentsBiological mechanismsOutcomesFindingsRecent studiesBehaviorStudyTargeted effects of ketamine on perceptual expectation during mediated learning in rats
Fleming LM, Jaynes FB, Thompson SL, Corlett PR, Taylor JR. Targeted effects of ketamine on perceptual expectation during mediated learning in rats. Psychopharmacology 2022, 239: 2395-2405. PMID: 35389087, PMCID: PMC9296571, DOI: 10.1007/s00213-022-06128-2.Peer-Reviewed Original ResearchConceptsPerceptual expectationsHallucination-like experiencesMemory representationsExpected cueDevaluation phasePerceptual experienceNeural correlatesAssociative learningLearning taskTask phasesExternal outcomesDirect learningLearningEffects of ketamineExpectationsRetrievalConclusionsThese resultsModerate dosePerceptCausal relationshipCuesExperienceRepresentationTaskRecent workPositive modulation of N-methyl-D-aspartate receptors in the mPFC reduces the spontaneous recovery of fear
Lee B, Pothula S, Wu M, Kang H, Girgenti MJ, Picciotto MR, DiLeone RJ, Taylor JR, Duman RS. Positive modulation of N-methyl-D-aspartate receptors in the mPFC reduces the spontaneous recovery of fear. Molecular Psychiatry 2022, 27: 2580-2589. PMID: 35418600, PMCID: PMC9135632, DOI: 10.1038/s41380-022-01498-7.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderFear extinctionInfralimbic medial prefrontal cortexFear conditioning modelEnhanced fear extinctionFear-based behaviorsProlonged stress modelMedial prefrontal cortexSpontaneous recoveryIL-mPFCPTSD modelPTSD treatmentStress disorderPrefrontal cortexSPS modelN-methyl-D-aspartate receptor modulatorsBrain-derived neurotrophic factorN-methyl-D-aspartate receptorsBehavioral effectsIncreased attentionMPFCPreclinical findingsPyramidal neuronsNeurotrophic factorMale miceParanoia and belief updating during the COVID-19 crisis
Suthaharan P, Reed EJ, Leptourgos P, Kenney JG, Uddenberg S, Mathys CD, Litman L, Robinson J, Moss AJ, Taylor JR, Groman SM, Corlett PR. Paranoia and belief updating during the COVID-19 crisis. Nature Human Behaviour 2021, 5: 1190-1202. PMID: 34316049, PMCID: PMC8458246, DOI: 10.1038/s41562-021-01176-8.Peer-Reviewed Original ResearchReinforcement Learning during Adolescence in Rats
Afshar N, Keip AJ, Taylor JR, Lee D, Groman SM. Reinforcement Learning during Adolescence in Rats. Journal Of Neuroscience 2020, 40: 5857-5870. PMID: 32601244, PMCID: PMC7380962, DOI: 10.1523/jneurosci.0910-20.2020.Peer-Reviewed Original ResearchConceptsNovel behavioral protocolReversal-learning performanceAdaptive choice behaviorBehavioral protocolFemale Long-Evans ratsReversal performanceChoice behaviorLong-Evans ratsAdolescent brain functionAge-related improvementsReinforcement-learning mechanismsReversal-learning taskReversal-learning paradigmDecision-making paradigmReinforcement learning mechanismAdolescent ratsLongitudinal designAge-related changesNeurodevelopmental mechanismsAdolescencePositive outcomesBrain functionFunction of circuitsPostnatal day 30AdulthoodDysregulation of Decision Making Related to Metabotropic Glutamate 5, but Not Midbrain D3, Receptor Availability Following Cocaine Self-administration in Rats
Groman SM, Hillmer AT, Liu H, Fowles K, Holden D, Morris ED, Lee D, Taylor JR. Dysregulation of Decision Making Related to Metabotropic Glutamate 5, but Not Midbrain D3, Receptor Availability Following Cocaine Self-administration in Rats. Biological Psychiatry 2020, 88: 777-787. PMID: 32826065, PMCID: PMC8935943, DOI: 10.1016/j.biopsych.2020.06.020.Peer-Reviewed Original ResearchConceptsCocaine-dependent individualsProbabilistic reversalRelapse-like behaviorTest of motivationReceptor availabilityPersistent drug useMetabotropic glutamate 5Neural mechanismsCompulsive patternsDecision-making processDrug-induced adaptationsSelective impairmentDrug useWeeks of abstinenceCocaine takingCocaine Self-AdministrationBrain regionsDegree of disruptionDays of cocaineAdult male ratsCocaine-induced increasesCocaine-induced changesDrug-induced alterationsRobust alterationsPositron emission tomographyIntroducing the PLOS ONE Collection on the neuroscience of reward and decision making
Groman SM, Ikemoto S, Rushworth M, Taylor JR, Whelan R. Introducing the PLOS ONE Collection on the neuroscience of reward and decision making. PLOS ONE 2020, 15: e0240505. PMID: 33031482, PMCID: PMC7544023, DOI: 10.1371/journal.pone.0240505.Peer-Reviewed Original ResearchConceptsAction-outcome associationsDecision-making deficitsPast experienceDecision makingNeuroscience techniquesNeurobiological mechanismsBehavioral approachNovel inferencesAdaptive decisionDecision-making functionsMechanistic linkParticular actionNeuroscienceAlternative outcomesBiological mechanismsOrganismsComputational functionsRewardNew insightsParticular outcomeNew environmentRecent advancesPredatorsMakingBiologyParanoia and belief updating during a crisis.
Suthaharan P, Reed E, Leptourgos P, Kenney J, Uddenberg S, Mathys C, Litman L, Robinson J, Moss A, Taylor J, Groman S, Corlett P. Paranoia and belief updating during a crisis. Research Square 2021 PMID: 33469574, PMCID: PMC7814833, DOI: 10.21203/rs.3.rs-145987/v1.Peer-Reviewed Original ResearchThe effects of fatty acid amide hydrolase inhibition and monoacylglycerol lipase inhibition on habit formation in mice
Gianessi CA, Groman SM, Taylor JR. The effects of fatty acid amide hydrolase inhibition and monoacylglycerol lipase inhibition on habit formation in mice. European Journal Of Neuroscience 2021, 55: 922-938. PMID: 33506530, PMCID: PMC10370500, DOI: 10.1111/ejn.15129.Peer-Reviewed Original ResearchConceptsFatty acid amide hydrolase inhibitionResponse rateHydrolase inhibitionCannabinoid receptor type 1Aberrant habit formationInhibition of FAAHMonoacylglycerol lipase inhibitionInconsistent dose-response relationshipRole of CB1RSubstance use disordersEndocannabinoid ligand anandamideReceptor type 1Dose-response relationshipContingency degradation procedureEndocannabinoid signalingClinical utilityAM251Use disordersType 1Behavioral effectsPharmacological compoundsDose-response experimentsMiceLipase inhibitionAnandamideMPEP Lowers Binge Drinking in Male and Female C57BL/6 Mice: Relationship with mGlu5/Homer2/Erk2 Signaling
Huang G, Thompson SL, Taylor JR. MPEP Lowers Binge Drinking in Male and Female C57BL/6 Mice: Relationship with mGlu5/Homer2/Erk2 Signaling. Alcohol Clinical And Experimental Research 2021, 45: 732-742. PMID: 33587295, PMCID: PMC8076072, DOI: 10.1111/acer.14576.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinge DrinkingDose-Response Relationship, DrugDrug Evaluation, PreclinicalExcitatory Amino Acid AntagonistsFemaleHomer Scaffolding ProteinsMaleMAP Kinase Signaling SystemMice, Inbred C57BLMitogen-Activated Protein Kinase 1Nucleus AccumbensPyridinesReceptor, Metabotropic Glutamate 5Septal NucleiSex CharacteristicsConceptsEffects of MPEPFemale C57BL/6 miceAlcohol intakeAlcohol consumptionNegative allosteric modulatorsLocomotor activityC57BL/6 miceFemale miceMale miceHomer2 expressionBinge drinkingMetabotropic glutamate receptor 5MGlu5 negative allosteric modulatorsSex differencesBinge alcohol consumptionGlutamate receptor 5Dose-response effectExcessive alcohol useERK2 expressionDose-response relationshipPotential sex differencesERK2 signalingBed nucleusNucleus accumbensStria terminalisUnlocking the Reinforcement-Learning Circuits of the Orbitofrontal Cortex
Groman SM, Lee D, Taylor JR. Unlocking the Reinforcement-Learning Circuits of the Orbitofrontal Cortex. Behavioral Neuroscience 2021, 135: 120-128. PMID: 34060870, PMCID: PMC8201418, DOI: 10.1037/bne0000414.Peer-Reviewed Original ResearchConceptsOrbitofrontal cortexReinforcement-learning mechanismsDecision-making impairmentsDiverse clinical populationsDecision-making differsNeurocomputational approachOFC dysfunctionNeuroscience techniquesBiobehavioral disordersBehavioral paradigmsClinical populationsBiobehavioral mechanismsAddiction pathologyComputational differencesReinforcement-learning algorithms
2024
Xylazine induces dopamine release and augments the effects of fentanyl
Trinko J, Foscue E, Kong E, Basu A, Corstens A, Thompson S, Kaye A, Taylor J, DiLeone R. Xylazine induces dopamine release and augments the effects of fentanyl. Journal Of Clinical Investigation 2024, 134: e183354. PMID: 39545408, PMCID: PMC11563672, DOI: 10.1172/jci183354.Peer-Reviewed Original ResearchLesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia
Suthaharan P, Thompson S, Rossi-Goldthorpe R, Rudebeck P, Walton M, Chakraborty S, Noonan M, Costa V, Murray E, Mathys C, Groman S, Mitchell A, Taylor J, Corlett P, Chang S. Lesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia. Cell Reports 2024, 43: 114355. PMID: 38870010, PMCID: PMC11231991, DOI: 10.1016/j.celrep.2024.114355.Peer-Reviewed Original ResearchOrbitofrontal cortexMediodorsal thalamusReward learning rateAssociated with paranoiaExcitotoxic lesionsBrain regionsUnoperated monkeysAction selectionAdaptive behaviorParanoiaBelief updatingMDmcMeaningful changeCortexThalamusBeliefsLearning rateRobust to variabilityCompare performanceRewardBehaviorBrainMonkeysAction policiesPerceptionThe Evolving Landscape of Social Neuroscience and its Implications for Psychiatry
Li S, Kietzman H, Taylor J, Chang S. The Evolving Landscape of Social Neuroscience and its Implications for Psychiatry. Biological Psychiatry 2024 PMID: 38878810, DOI: 10.1016/j.biopsych.2024.06.004.Peer-Reviewed Original Research
2023
Ketogenic diet enhances the effects of oxycodone in mice
Trinko R, Diaz D, Foscue E, Thompson S, Taylor J, DiLeone R. Ketogenic diet enhances the effects of oxycodone in mice. Scientific Reports 2023, 13: 7507. PMID: 37160959, PMCID: PMC10170077, DOI: 10.1038/s41598-023-33458-8.Peer-Reviewed Original ResearchConceptsOpioid use disorderKetogenic dietKD miceUse disordersTreatment of OUDEffects of KDEffects of oxycodoneClinical pain managementAlcohol use disorderProgressive ratio scheduleSex-specific effectsChronic oxycodoneLess oxycodoneOpioid withdrawalAntinociceptive effectPain managementPrescription opioidsSide effectsOxycodoneLocomotor activityTherapeutic potentialOpioidsDietary effectsOpiate sensitivityMiceUsing dimensionality-reduction techniques to understand the organization of psychotic symptoms in persistent psychotic illness and first episode psychosis
Fleming L, Lemonde A, Benrimoh D, Gold J, Taylor J, Malla A, Joober R, Iyer S, Lepage M, Shah J, Corlett P. Using dimensionality-reduction techniques to understand the organization of psychotic symptoms in persistent psychotic illness and first episode psychosis. Scientific Reports 2023, 13: 4841. PMID: 36964175, PMCID: PMC10039017, DOI: 10.1038/s41598-023-31909-w.Peer-Reviewed Original ResearchConceptsHallucinations/delusionsFirst-episode psychosisFirst-episode psychosis participantsEarly intervention programsPathophysiological mechanismsUnderlying pathophysiologyEpisode psychosisPsychotic illnessPsychotic symptomsPsychotic disordersSchizoaffective disorderAuditory hallucinationsPositive symptomsHallucination severityNegative symptomsSymptomsDisorganization symptomsIntervention programsHallucinationsIllnessPsychosis participantsPsychosisDelusionsDisordersParticipantsExamining mGlu5 Receptor Availability as a Predictor of Vulnerability to PTSD: An [18F]FPEB and PET Study in Male and Female Rats
Asch R, Fowles K, Pietrzak R, Taylor J, Esterlis I. Examining mGlu5 Receptor Availability as a Predictor of Vulnerability to PTSD: An [18F]FPEB and PET Study in Male and Female Rats. Chronic Stress 2023, 7: 24705470231215001. PMID: 38024327, PMCID: PMC10666551, DOI: 10.1177/24705470231215001.Peer-Reviewed Original ResearchPost-traumatic stress disorderReceptor availabilityFemale ratsPathophysiology of PTSDFootshock exposureMetabotropic glutamate receptor 5Recent preclinical findingsGlutamate receptor 5Positron emission tomographyPreclinical findingsClinical findingsFe ratsReceptor 5Lower baselineEmission tomographyGreater riskPET studiesRatsStress disorderDifferential involvementPassive copingSex differencesMalesPTSD susceptibilityBaseline