1998
Increased Striatal Dopamine Transmission in Schizophrenia: Confirmation in a Second Cohort
Abi-Dargham A, Gil R, Krystal J, Baldwin RM, Seibyl JP, Bowers M, van Dyck CH, Charney DS, Innis RB, Laruelle M. Increased Striatal Dopamine Transmission in Schizophrenia: Confirmation in a Second Cohort. American Journal Of Psychiatry 1998, 155: 761-767. PMID: 9619147, DOI: 10.1176/ajp.155.6.761.Peer-Reviewed Original ResearchConceptsD2 receptor availabilityAcute amphetamine challengeStriatal dopamine transmissionAmphetamine challengeReceptor availabilityDopamine releaseHealthy subjectsDopamine transmissionDopamine D2 receptor availabilityExcess dopamine releaseStriatal dopamine releaseComparison groupD2 receptor radiotracerHistory of alcoholDSM-IV criteriaSingle photon emissionNew cohortUntreated patientsReceptor radiotracerSchizophrenic patientsPatientsSecond cohortParental socioeconomic statusPositive symptomsSubstance abuse
1986
Assessment of alexithymia in posttraumatic stress disorder and somatic illness: introduction of a reliable measure.
Krystal JH, Giller EL, Cicchetti DV. Assessment of alexithymia in posttraumatic stress disorder and somatic illness: introduction of a reliable measure. Psychosomatic Medicine 1986, 48: 84-94. PMID: 3945719, DOI: 10.1097/00006842-198601000-00007.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderBeth Israel Psychosomatic QuestionnaireSomatic illnessStress disorderOutpatient treatmentAffective patientsAffective disordersPsychiatric inpatientsPatientsSchalling-Sifneos ScaleComparison groupAssessment of alexithymiaMedical servicesInterrater reliabilityPsychosomatic researchVietnam veteransDisordersSimilar degreeInpatientsGreater degreePsychosomatic QuestionnaireIllnessMMPI subscalesSomatic groupsReliable measure