2022
Mental imagery content is associated with disease severity and specific brain functional connectivity changes in patients with Parkinson’s disease
Cherry J, Kamel S, Elfil M, Aravala S, Bayoumi A, Patel A, Sinha R, Tinaz S. Mental imagery content is associated with disease severity and specific brain functional connectivity changes in patients with Parkinson’s disease. Brain Imaging And Behavior 2022, 17: 161-171. PMID: 36434490, PMCID: PMC10050121, DOI: 10.1007/s11682-022-00749-z.Peer-Reviewed Original ResearchConceptsImagery trainingFunctional connectivity changesMild Parkinson's diseaseVisual imagery trainingMental imagery trainingComplex cognitive processesConnectivity changesMotor imagery trainingBrain functional connectivity changesFunctional connectivity characteristicsExecutive processesMental imageryCognitive processesPerceptual experienceNeural correlatesBrain mechanismsImagery practiceImagery contentSensorimotor processesNeuropsychiatric patient populationsMotor functionMotor actsMotor enhancementBrain areasParkinson's diseaseNeural correlates linking trauma and physical symptoms
Choi J, Martins J, Hwang S, Sinha R, Seo D. Neural correlates linking trauma and physical symptoms. Psychiatry Research Neuroimaging 2022, 327: 111560. PMID: 36327865, PMCID: PMC9757618, DOI: 10.1016/j.pscychresns.2022.111560.Peer-Reviewed Original ResearchConceptsPhysical symptomsFunctional magnetic resonance imagingTrauma patientsLateral prefrontal cortexPrefrontal cortexPhysical symptom frequencyPain-related disordersMagnetic resonance imagingNeural correlatesPhysical health symptomsChronic painHealthy controlsTrauma groupSymptom frequencyDorsal striatumGreater physical symptomsSensorimotor areasCurrent studyHippocampal responsesVentromedial prefrontal cortexHealth symptomsHippocampal functionResonance imagingSymptomsUnderlying neurological mechanisms
2015
Neural Mechanisms Associated with Stress‐Induced Drug Craving
Milivojevic V, Fox H, Sinha R. Neural Mechanisms Associated with Stress‐Induced Drug Craving. 2015, 240-265. DOI: 10.1002/9781118472415.ch11.ChaptersStress-induced drug cravingDrug cravingBrain circuitryMedial prefrontal activityStress-induced cravingCue-induced cravingHigh arousal statesPathophysiology of addictionRole of stressAvoidance motivationBiology of stressNeural correlatesPrefrontal activityIncentive motivationNeural mechanismsAddicted individualsNegative reinforcementDrug useRelapse outcomesCravingArousal stateSubstance abuseAnxietyMotivationConditions of stress
2013
Disrupted Ventromedial Prefrontal Function, Alcohol Craving, and Subsequent Relapse Risk
Seo D, Lacadie CM, Tuit K, Hong KI, Constable RT, Sinha R. Disrupted Ventromedial Prefrontal Function, Alcohol Craving, and Subsequent Relapse Risk. JAMA Psychiatry 2013, 70: 727-739. PMID: 23636842, PMCID: PMC3788824, DOI: 10.1001/jamapsychiatry.2013.762.Peer-Reviewed Original ResearchConceptsHealthy control subjectsAD patientsControl subjectsInpatient treatmentAlcohol cravingAlcohol cuesBrain responsesRelapse riskAlcohol relapseHospital-based research unitAnterior cingulate cortex activationAlcohol-related cuesCommunity mental health centerVentromedial prefrontal functionChronic relapsing illnessVentromedial prefrontal cortexStress-induced cravingAbstinent alcohol-dependent patientsFunctional magnetic resonanceMental health centersAlcohol-dependent patientsSubsequent relapse riskNeural correlatesNeutral trialsHazard ratioDivergent neural substrates of inhibitory control in binge eating disorder relative to other manifestations of obesity
Balodis IM, Molina ND, Kober H, Worhunsky PD, White MA, Sinha R, Grilo CM, Potenza MN. Divergent neural substrates of inhibitory control in binge eating disorder relative to other manifestations of obesity. Obesity 2013, 21: 367-377. PMID: 23404820, PMCID: PMC3610836, DOI: 10.1002/oby.20068.Peer-Reviewed Original ResearchConceptsInferior frontal gyrusCognitive controlBED groupNeural correlatesStroop color-word interference taskColor-word interference taskRight inferior frontal gyrusVentromedial prefrontal cortexDivergent neural substratesFunctional magnetic resonanceInterference taskStroop performanceVmPFC activationDietary restraint scoresInhibitory processingDiminished abilityNeural substratesComparison participantsFrontal gyrusInhibitory controlBiobehavioral processesPrefrontal cortexDietary restraintBehavioral controlRelative hypoactivity
2006
Imaging Response Inhibition in a Stop-Signal Task: Neural Correlates Independent of Signal Monitoring and Post-Response Processing
Li CS, Huang C, Constable RT, Sinha R. Imaging Response Inhibition in a Stop-Signal Task: Neural Correlates Independent of Signal Monitoring and Post-Response Processing. Journal Of Neuroscience 2006, 26: 186-192. PMID: 16399686, PMCID: PMC6674298, DOI: 10.1523/jneurosci.3741-05.2006.Peer-Reviewed Original ResearchConceptsStop-signal reaction timeStop-signal taskResponse inhibitionPre-potent response tendenciesReaction timeShorter stop-signal reaction timesEfficient response inhibitionFunctional magnetic resonanceLonger stop-signal reaction timesGroups of subjectsHigher cortical functionsError monitoringNeural correlatesTask demandsHabitual responsesBrain activationNeural substrataResponse tendenciesGreater activationInhibitory controlAffective functionsMotor areaBrain regionsFrontal cortexCortical function