2022
Clinical and behavior characteristics of individuals who used ketamine
Lee TS, Liu YH, Huang YJ, Tang WK, Wang Y, Hu S, Lin CP, Li CR, Hung CC. Clinical and behavior characteristics of individuals who used ketamine. Scientific Reports 2022, 12: 801. PMID: 35039593, PMCID: PMC8764021, DOI: 10.1038/s41598-022-04832-9.Peer-Reviewed Original ResearchConceptsMemory testLower urinary tract symptomsN-back memory testShort-term recallShort-term memoryDrug-using participantsCigarette smokersImpulsivity measuresTerm recallBehavioral dispositionsPolydrug usersKetamine usersGroup of individualsSex-related behaviorsUrinary tract symptomsPolydrug useDrug-related problemsCross-sectional interviewMemoryRisk behaviorsKetamine useTract symptomsClinical characteristicsParticipantsHIV serostatus
2015
Individual variation in the neural processes of motor decisions in the stop signal task: the influence of novelty seeking and harm avoidance personality traits
Hu J, Lee D, Hu S, Zhang S, Chao H, Li CS. Individual variation in the neural processes of motor decisions in the stop signal task: the influence of novelty seeking and harm avoidance personality traits. Brain Structure And Function 2015, 221: 2607-2618. PMID: 25989852, PMCID: PMC4654717, DOI: 10.1007/s00429-015-1061-4.Peer-Reviewed Original ResearchConceptsStop-signal taskHarm avoidanceNeural processesSignal taskPersonality traitsStudy of cognitionWhole-brain regressionRegional brain activationRisk-taking processesCognitive controlExecutive controlStop errorBrain activationFMRI studyBehavioral tasksMotor decisionsFrontopolar cortexMonetary rewardsNovelty seekingRisk-taking responsesBilateral orbitofrontalExplicit manipulationDorsomedial prefrontalRegional activationParahippocampal gyrus
2012
The influence of risky and conservative mental sets on cerebral activations of cognitive control
Winkler AD, Hu S, Li CS. The influence of risky and conservative mental sets on cerebral activations of cognitive control. International Journal Of Psychophysiology 2012, 87: 254-261. PMID: 22922525, PMCID: PMC3511622, DOI: 10.1016/j.ijpsycho.2012.08.010.Peer-Reviewed Original ResearchConceptsStop-signal taskMental setCognitive controlSignal taskCerebral activationPre-supplementary motor areaGo reaction timePrevious imaging workReaction timeReward uncertaintyCognitive functioningIndividual differencesStop errorGreater activationNeural responsesSalient eventsContextual effectsImaging workRetrosplenial cortexMore salientAdult participantsMotor areaSuccess trialsCerebral responsesRewardNeural Processes of an Indirect Analog of Risk Taking in Young Nondependent Adult Alcohol Drinkers—An fMRI Study of the Stop Signal Task
Bednarski SR, Erdman E, Luo X, Zhang S, Hu S, Li C. Neural Processes of an Indirect Analog of Risk Taking in Young Nondependent Adult Alcohol Drinkers—An fMRI Study of the Stop Signal Task. Alcohol Clinical And Experimental Research 2012, 36: 768-779. PMID: 22339607, PMCID: PMC3647608, DOI: 10.1111/j.1530-0277.2011.01672.x.Peer-Reviewed Original ResearchConceptsStop-signal taskAlcohol useNeural processesSignal taskSocial drinkingRisk takingYoung adult social drinkersFrequency of drinkingAdult social drinkersRight superior frontal gyrusFunctional magnetic resonanceSelf-reported alcohol useSuperior frontal gyrusBrain imaging dataSuperior frontal cortexDangerous alcohol consumptionCognitive factorsNeural correlatesFMRI studyFrontal gyrusSocial drinkersHigh-level drinkingCorresponding effect sizesNumber of drinksNondependent drinkers
2009
Altered Impulse Control in Alcohol Dependence: Neural Measures of Stop Signal Performance
Li C, Luo X, Yan P, Bergquist K, Sinha R. Altered Impulse Control in Alcohol Dependence: Neural Measures of Stop Signal Performance. Alcohol Clinical And Experimental Research 2009, 33: 740-750. PMID: 19170662, PMCID: PMC2697053, DOI: 10.1111/j.1530-0277.2008.00891.x.Peer-Reviewed Original ResearchConceptsHealthy control subjectsFunctional magnetic resonance imagingAlcohol dependencePost-error behavioral adjustmentDorsolateral prefrontal cortexAlcohol urgesTrial reaction timePost-error slowingPrefrontal cortexLeft dorsolateral prefrontal cortexRight dorsolateral prefrontal cortexMagnetic resonance imagingImpulse controlStatistical parametric mappingStop errorAbstinent patientsControl subjectsNovel pharmacotherapiesSignal reaction timeTreatment outcomesFrontal cortexHC subjectsResonance imagingBehavioral adjustmentSubcortical structuresDecreased Amygdala Activation during Risk Taking in Non-Dependent Habitual Alcohol Users: A Preliminary fMRI Study of the Stop Signal Task
Yan P, Li CS. Decreased Amygdala Activation during Risk Taking in Non-Dependent Habitual Alcohol Users: A Preliminary fMRI Study of the Stop Signal Task. The American Journal Of Drug And Alcohol Abuse 2009, 35: 284-289. PMID: 19579091, PMCID: PMC4511157, DOI: 10.1080/00952990902968569.Peer-Reviewed Original ResearchConceptsStop-signal taskAlcohol drinkersAmygdala activationAlcohol dependenceNon-dependent social drinkersInhibitory controlAlcohol useHabitual alcohol useHeavy alcohol drinkersSignal taskAlcohol-dependent patientsPreliminary fMRI studyAltered brain activationFunctional magnetic resonance imagingMagnetic resonance imagingDependent patientsNeural processesHabitual drinkingHealthy controlsCurrent preliminary studyAlcohol usersResonance imagingStop trialsLight drinkersKey neural processes
2008
Neural Correlates of Speeded as Compared with Delayed Responses in a Stop Signal Task: An Indirect Analog of Risk Taking and Association with an Anxiety Trait
Li CS, Chao H, Lee TW. Neural Correlates of Speeded as Compared with Delayed Responses in a Stop Signal Task: An Indirect Analog of Risk Taking and Association with an Anxiety Trait. Cerebral Cortex 2008, 19: 839-848. PMID: 18678764, PMCID: PMC2722793, DOI: 10.1093/cercor/bhn132.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyBrain MappingFemaleHumansMaleNerve NetPsychomotor PerformanceReaction TimeRisk-TakingConceptsStop-signal taskSignal taskReaction timeTrial reaction timeStop-signal performanceFunctional magnetic resonanceMiddle frontal gyrusAdvantage of variabilityBilateral visual cortexPosterior cingulate cortexCognitive controlNeural correlatesNeural processesAmygdala activityTrait anxietyFrontal gyrusAnxiety traitsBehavioral paradigmsIndirect analogueCingulate cortexNeural analogRisk takingVisual cortexStop signalCurrent study