2019
Lower synaptic density is associated with depression severity and network alterations
Holmes SE, Scheinost D, Finnema SJ, Naganawa M, Davis MT, DellaGioia N, Nabulsi N, Matuskey D, Angarita GA, Pietrzak RH, Duman RS, Sanacora G, Krystal JH, Carson RE, Esterlis I. Lower synaptic density is associated with depression severity and network alterations. Nature Communications 2019, 10: 1529. PMID: 30948709, PMCID: PMC6449365, DOI: 10.1038/s41467-019-09562-7.Peer-Reviewed Original ResearchConceptsMajor depressive disorderPost-traumatic stress disorderLower synaptic densitySynaptic densityPositron emission tomographyFunctional connectivityNetwork alterationsSynaptic vesicle glycoprotein 2ASymptoms of depressionSynaptic lossDepressive disorderHealthy controlsNerve terminalsDepressive symptomsDepression severityUnmedicated individualsSynaptic connectionsEmission tomographyStress disorderVivo evidenceSymptomsDepressionSeverityDisordersAlterations
2018
Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence
Holmes SE, Scheinost D, DellaGioia N, Davis MT, Matuskey D, Pietrzak RH, Hampson M, Krystal JH, Esterlis I. Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence. Chronic Stress 2018, 2: 2470547018786390. PMID: 30035247, PMCID: PMC6054445, DOI: 10.1177/2470547018786390.Peer-Reviewed Original ResearchPosttraumatic stress disorderIntrinsic connectivity distributionMedial prefrontal cortexTensor-based morphometryPTSD groupFunctional connectivityPrefrontal cortexPathophysiology of PTSDGray matter volumeWhole-brain connectivityKey brain regionsMiddle temporal gyrusDorsolateral prefrontal cortexDefault mode networkCentral executive networkFunctional connectivity analysisPFC alterationsCortical alterationsHealthy comparison participantsAltered volumeFunctional alterationsMatter volumeUnmedicated individualsCerebellar involvementBrain regions
2017
Multimodal Investigation of Network Level Effects Using Intrinsic Functional Connectivity, Anatomical Covariance, and Structure-to-Function Correlations in Unmedicated Major Depressive Disorder
Scheinost D, Holmes SE, DellaGioia N, Schleifer C, Matuskey D, Abdallah CG, Hampson M, Krystal JH, Anticevic A, Esterlis I. Multimodal Investigation of Network Level Effects Using Intrinsic Functional Connectivity, Anatomical Covariance, and Structure-to-Function Correlations in Unmedicated Major Depressive Disorder. Neuropsychopharmacology 2017, 43: 1119-1127. PMID: 28944772, PMCID: PMC5854800, DOI: 10.1038/npp.2017.229.Peer-Reviewed Original ResearchConceptsMajor depressive disorderAnterior cingulate cortexIntrinsic functional connectivityMedial prefrontal cortexFunctional connectivityLarge-scale brain networksDepressive disorderMDD groupAnatomical covarianceBrain networksUnmedicated major depressive disorderWhole-brain intrinsic functional connectivitySystem-level disorderIntrinsic connectivity distributionRegional brain structureMultiple brain networksAltered connectivityCommon findingHealthy comparison participantsDepressive symptomsAltered volumeUnmedicated individualsLocal circuitryCingulate cortexDepressive symptomatology
2014
Hypoactivation of the Ventral and Dorsal Striatum During Reward and Loss Anticipation in Antipsychotic and Mood Stabilizer-Naive Bipolar Disorder
Yip SW, Worhunsky PD, Rogers RD, Goodwin GM. Hypoactivation of the Ventral and Dorsal Striatum During Reward and Loss Anticipation in Antipsychotic and Mood Stabilizer-Naive Bipolar Disorder. Neuropsychopharmacology 2014, 40: 658-666. PMID: 25139065, PMCID: PMC4289954, DOI: 10.1038/npp.2014.215.Peer-Reviewed Original ResearchConceptsDorsal striatumUnmedicated individualsLoss anticipationPotential ameliorative effectsAddiction-related disordersBipolar disorder IReward processingMonetary incentive delay taskSmall volume correctionFunctional magnetic resonanceIncentive delay taskAntipsychotic medicationVentral striatal activityHealthy comparison individualsPutamen volumeBipolar disorderBD-IIAmeliorative effectMedicated individualsStriatal activityDisorder IStriatumGroup comparisonsNeural activationReward anticipationIncreased temporo‐insular engagement in unmedicated bipolar II disorder: an exploratory resting state study using independent component analysis
Yip S, Mackay C, Goodwin G. Increased temporo‐insular engagement in unmedicated bipolar II disorder: an exploratory resting state study using independent component analysis. Bipolar Disorders 2014, 16: 748-755. PMID: 24725219, DOI: 10.1111/bdi.12206.Peer-Reviewed Original ResearchConceptsResting-state functional magnetic resonance imagingBipolar disorderResting-state networksAntipsychotic agentsRsfMRI studiesBD-IIPathophysiology of BDIntrinsic functional connectionsMagnetic resonance imaging studyResonance imaging studyFunctional magnetic resonance imaging studyFunctional magnetic resonance imagingMagnetic resonance imagingCandidate vulnerability markerFamily-wise errorDefault mode networkMedicated patientsHealthy controlsBrain areasUnmedicated individualsBilateral insulaNaïve statusResonance imagingYounger ageBrain regions
2012
Prefrontal cortical response to emotional faces in individuals with major depressive disorder in remission
Kerestes R, Bhagwagar Z, Nathan PJ, Meda SA, Ladouceur CD, Maloney K, Matuskey D, Ruf B, Saricicek A, Wang F, Pearlson GD, Phillips ML, Blumberg HP. Prefrontal cortical response to emotional faces in individuals with major depressive disorder in remission. Psychiatry Research 2012, 202: 30-37. PMID: 22595508, PMCID: PMC3995357, DOI: 10.1016/j.pscychresns.2011.11.004.Peer-Reviewed Original ResearchConceptsDorsolateral prefrontal cortexNegative emotional stimuliOrbitofrontal cortexEmotional stimuliImplicit emotion processing taskNeutral facial expressionsGender of facesEmotion processing taskPrefrontal cortical responsesHealthy comparison participantsFunctional magnetic resonanceLeft orbitofrontal cortexEmotional facesDLPFC responsesMajor depressive disorderDLPFC functioningDLPFC activationComparison participantsFacial expressionsPrefrontal cortexRMDD groupEuthymic periodsProcessing tasksRMDD individualsUnmedicated individuals
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