2016
OCD is associated with an altered association between sensorimotor gating and cortical and subcortical 5-HT1b receptor binding
Pittenger C, Adams TG, Gallezot JD, Crowley MJ, Nabulsi N, Ropchan J, Gao H, Kichuk SA, Simpson R, Billingslea E, Hannestad J, Bloch M, Mayes L, Bhagwagar Z, Carson RE. OCD is associated with an altered association between sensorimotor gating and cortical and subcortical 5-HT1b receptor binding. Journal Of Affective Disorders 2016, 196: 87-96. PMID: 26919057, PMCID: PMC4808438, DOI: 10.1016/j.jad.2016.02.021.Peer-Reviewed Original ResearchConceptsPrepulse inhibitionObsessive-compulsive disorderReceptor availabilitySensorimotor gatingOCD patientsImpaired sensorimotor gatingOCD-like behaviorNon-depressed OCD patientsPositron emission tomographyBasal gangliaSerotonergic regulationHealthy controlsSerotonin systemPositive correlationWidespread positive correlationsDiagnostic groupsCortical regionsEmission tomographyOrbitofrontal cortexPatientsReceptor bindingOCD diagnosisSignificant correlationSignificant main effectImportant alterations
1998
Muscarinic Cholinergic Receptor Measurements With [18F]FP-TZTP: Control and Competition Studies
Carson R, Kiesewetter D, Jagoda E, Der M, Herscovitch P, Eckelman W. Muscarinic Cholinergic Receptor Measurements With [18F]FP-TZTP: Control and Competition Studies. Cerebrovascular And Brain Metabolism Reviews 1998, 18: 1130-1142. PMID: 9778190, DOI: 10.1097/00004647-199810000-00010.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAnesthesiaAnesthetics, InhalationAnimalsBinding, CompetitiveBlood ProteinsBrainCholinesterase InhibitorsChromatography, Thin LayerFluorine RadioisotopesIsofluraneKineticsMacaca mulattaModels, NeurologicalPhysostigminePyridinesReceptors, MuscarinicThiazolesTomography, Emission-ComputedConceptsCholinergic receptorsBasal gangliaMuscarinic cholinergic receptorsPositron emission tomography studyM2 cholinergic receptorsMuscarinic cholinergic ligandEmission tomography studiesPositron emission tomographyBrain acetylcholineIntravenous infusionMuscarinic receptorsHigh AChE activityControl studyML xSubcortical regionsAlzheimer's diseaseGray matterCortical regionsEmission tomographyRhesus monkeysArterial input functionTomography studyCholinergic ligandsTracer injectionAChE activity
1997
Regional cerebral blood flow throughout the sleep-wake cycle. An H2(15)O PET study.
Braun AR, Balkin TJ, Wesenten NJ, Carson RE, Varga M, Baldwin P, Selbie S, Belenky G, Herscovitch P. Regional cerebral blood flow throughout the sleep-wake cycle. An H2(15)O PET study. Brain 1997, 120: 1173-1197. PMID: 9236630, DOI: 10.1093/brain/120.7.1173.Peer-Reviewed Original ResearchConceptsSlow-wave sleepSleep-wake cycleHeteromodal association areasREM sleepBasal gangliaSensory cortexState-dependent changesAssociation cortexAssociation areasRegional cerebral blood flowRapid eye movement (REM) sleepActivity of limbicMesial temporal cortexCerebral blood flowEye movement sleepSecondary sensory cortexNormal male volunteersCharacteristics of sleepHeteromodal association cortexFrontoparietal association cortexUnimodal sensory areasREM sleep stateStages of sleepStatistical parametric mappingCentrencephalic structures
1992
PET imaging of opiate receptor binding in human epilepsy using [18F]cyclofoxy
Theodore W, Carson R, Andreasen P, Zametkin A, Blasberg R, Leiderman D, Rice K, Newman A, Channing M, Dunn B, Simpson N, Herscovitch P. PET imaging of opiate receptor binding in human epilepsy using [18F]cyclofoxy. Epilepsy Research 1992, 13: 129-139. PMID: 1334456, DOI: 10.1016/0920-1211(92)90068-5.Peer-Reviewed Original ResearchConceptsComplex partial seizuresEEG fociBasal gangliaTemporal lobeBrain regionsPotent opiate antagonistMesial temporal lobeCerebral blood flowOpiate receptor bindingEEG-video monitoringLateral temporal cortexLow specific bindingSpecific bindingPartial seizuresTime-activity dataKappa receptorsOpiate antagonistEpileptic focusHuman epilepsyFrontal cortexIndividual patientsOccipital lobeMean VTBlood flowBlood samples