2017
Altered Functional Connectivity in Sickle Cell Disease Exists at Rest and During Acute Pain Challenge
Zempsky W, Stevens M, Santanelli J, Gaynor A, Khadka S. Altered Functional Connectivity in Sickle Cell Disease Exists at Rest and During Acute Pain Challenge. The Clinical Journal Of Pain 2017, 33: 1060-1070. PMID: 28272117, DOI: 10.1097/ajp.0000000000000492.Peer-Reviewed Original ResearchConceptsSickle cell diseaseChronic pain disordersPain challengePain disordersCell diseaseSomatosensory networkBrain regionsAltered functional connectivityFunctional connectivity abnormalitiesSubcortical brain regionsLower functional integrationDefault mode networkCentral sensitizationRed blood cellsNociceptive informationPain sensitizationChronic painPain responseParietal lobe regionsPressure algometerPainful stimuliNeurodevelopmental abnormalitiesSCD controlsConnectivity abnormalitiesSalience network
2013
Is Aberrant Functional Connectivity A Psychosis Endophenotype? A Resting State Functional Magnetic Resonance Imaging Study
Khadka S, Meda SA, Stevens MC, Glahn DC, Calhoun VD, Sweeney JA, Tamminga CA, Keshavan MS, O’Neil K, Schretlen D, Pearlson GD. Is Aberrant Functional Connectivity A Psychosis Endophenotype? A Resting State Functional Magnetic Resonance Imaging Study. Biological Psychiatry 2013, 74: 458-466. PMID: 23746539, PMCID: PMC3752322, DOI: 10.1016/j.biopsych.2013.04.024.Peer-Reviewed Original ResearchConceptsPsychotic bipolar probandsNegative Syndrome Scale (PANSS) negative scoresState functional magnetic resonance imaging studyFunctional connectivityState functional magnetic resonanceBipolar disorder shareBrain connectivity abnormalitiesPosterior default mode networkSchizophrenia probandsMagnetic resonance imaging studyRespective first-degree relativesAberrant functional connectivityBipolar probandsFirst-degree relativesGroup differencesPsychosis endophenotypesNegative Syndrome ScaleResonance imaging studyFunctional magnetic resonance imaging studyDefault mode networkFunctional magnetic resonanceFunctional connectivity measures
2012
Multiple resting state network functional connectivity abnormalities in mild traumatic brain injury
Stevens MC, Lovejoy D, Kim J, Oakes H, Kureshi I, Witt ST. Multiple resting state network functional connectivity abnormalities in mild traumatic brain injury. Brain Imaging And Behavior 2012, 6: 293-318. PMID: 22555821, DOI: 10.1007/s11682-012-9157-4.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryMild traumatic brain injuryMild TBI patientsFunctional connectivity abnormalitiesTBI patientsBrain injuryConnectivity abnormalitiesFunctional connectivitySevere traumatic brain injuryWhite matter microstructural damagePostconcussive symptom severityWhole-brain functional connectivityFunctional connectivity deficitsCompensatory neural processesBrain networksBrain functional connectivityHealthy control participantsVoxelwise group comparisonsIntracerebral injuryNeurobiological sequelaeConnectivity deficitsAnterior cingulateBrain regionsSymptom severityAnatomical connectivity
2009
Changes in the interaction of resting‐state neural networks from adolescence to adulthood
Stevens MC, Pearlson GD, Calhoun VD. Changes in the interaction of resting‐state neural networks from adolescence to adulthood. Human Brain Mapping 2009, 30: 2356-2366. PMID: 19172655, PMCID: PMC6788906, DOI: 10.1002/hbm.20673.Peer-Reviewed Original Research