2012
Does baseline cerebral blood flow affect task-related blood oxygenation level dependent response in schizophrenia?
Liu J, Qiu M, Constable RT, Wexler BE. Does baseline cerebral blood flow affect task-related blood oxygenation level dependent response in schizophrenia? Schizophrenia Research 2012, 140: 143-148. PMID: 22789669, PMCID: PMC3423495, DOI: 10.1016/j.schres.2012.06.028.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceArteriesBrain MappingCerebral CortexCerebrovascular CirculationEmotionsFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedOxygenRestSchizophreniaSpin LabelsConceptsCerebral blood flowBlood oxygenation level-dependent (BOLD) responseInter-group differencesHealthy controlsLevel-dependent responsesBOLD responseFrontal cortexGroup differencesBlood flowBaseline cerebral blood flowTask-related BOLD responseBilateral frontal poleRight basal gangliaRight inferior frontal cortexBOLD signal increasesBilateral prefrontal areasMiddle frontal cortexInferior frontal cortexRight fusiform gyrusBilateral thalamusBasal gangliaBOLD studyVascular pathologyPatientsVisual processing areas
2008
Neuropsychological Near Normality and Brain Structure Abnormality in Schizophrenia
Wexler BE, Zhu H, Bell MD, Nicholls SS, Fulbright RK, Gore JC, Colibazzi T, Amat J, Bansal R, Peterson BS. Neuropsychological Near Normality and Brain Structure Abnormality in Schizophrenia. American Journal Of Psychiatry 2008, 166: 189-195. PMID: 18765481, PMCID: PMC4288572, DOI: 10.1176/appi.ajp.2008.08020258.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsComparison subjectsCognitive deficitsCalifornia Verbal Learning TestScores one standard deviationTests of attentionVerbal Learning TestContinuous Performance TestLarger third ventricle volumesMixed-model multivariate analysisSmaller gray matterWhite matterVentricle volumeSevere cognitive deficitsBrain structure abnormalitiesGray matterLearning TestLarger lateral ventricle volumesCognitive testsThird ventricle volumesLateral ventricle volumeWhite matter pathologySmaller white matterImpaired groupNeuropsychological testing
2005
Neural activity associated with stress-induced cocaine craving: a functional magnetic resonance imaging study
Sinha R, Lacadie C, Skudlarski P, Fulbright RK, Rounsaville BJ, Kosten TR, Wexler BE. Neural activity associated with stress-induced cocaine craving: a functional magnetic resonance imaging study. Psychopharmacology 2005, 183: 171-180. PMID: 16163517, DOI: 10.1007/s00213-005-0147-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureBrainBrain MappingCocaine-Related DisordersFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedOxygenStress, PhysiologicalConceptsStress-induced cocaineCocaine-dependent individualsFunctional magnetic resonance imaging sessionNeural activityFunctional magnetic resonance imaging studyMagnetic resonance imaging sessionCocaine cravingRegulation of emotionHippocampal/parahippocampal regionLevel-dependent signal changesRight fusiform gyrusStress-related vulnerabilityPara-limbic regionsAnterior cingulate regionsRight postcentral gyrusDependent signal changesMagnetic resonance imaging studyResonance imaging studyStress processingFusiform gyrusNeutral situationsSpecific frontalBOLD activationPersonal stressCingulate regions
1997
Functional Magnetic Resonance Imaging Assessment of the Human Brain Auditory Cortex Response to Increasing Word Presentation Rates
Dhankhar A, Wexler B, Fulbright R, Halwes T, Blamire A, Shulman R. Functional Magnetic Resonance Imaging Assessment of the Human Brain Auditory Cortex Response to Increasing Word Presentation Rates. Journal Of Neurophysiology 1997, 77: 476-483. PMID: 9120588, DOI: 10.1152/jn.1997.77.1.476.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlgorithmsAuditory CortexBrain MappingFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleSpeechSpeech PerceptionConceptsSecondary auditory cortexAuditory cortex responsesTransverse temporal gyrusFunctional magnetic resonance imagingAuditory cortexSuperior temporal gyrusCortex responsesFunctional magnetic resonance imaging (fMRI) assessmentsMagnetic Resonance Imaging AssessmentTemporal gyrusPosterior-superior aspectEcho-planar functional magnetic resonance imagingMagnetic resonance imagingImaging assessmentGray matterResonance imagingSuperior aspectCortexSignificant differencesTemporal sulcusSubsequent fallGyrusT2 weightingImaging sequenceSubjects
1995
Functional significance of individual variations in callosal area
Yazgan M, Wexler B, Kinsbourne M, Peterson B, Leckman J. Functional significance of individual variations in callosal area. Neuropsychologia 1995, 33: 769-779. PMID: 7675166, DOI: 10.1016/0028-3932(95)00018-x.Peer-Reviewed Original ResearchConceptsCallosal areaCorpus callosumMidsagittal cross-sectional areaDual-task interferenceDual-task performanceTime-sharing abilityBehavioral lateralityInterhemispheric connectionsWord listeningTask interferenceLine bisectionNormal adultsCross-sectional areaHemisphere conditionsBias testCallosumLateralityNormal variationFunctional significanceIndividual variation