2004
Nicotine effects on brain function and functional connectivity in schizophrenia
Jacobsen LK, D'Souza DC, Mencl WE, Pugh KR, Skudlarski P, Krystal JH. Nicotine effects on brain function and functional connectivity in schizophrenia. Biological Psychiatry 2004, 55: 850-858. PMID: 15050867, DOI: 10.1016/j.biopsych.2003.12.023.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceAttentionBrainBrain MappingBrief Psychiatric Rating ScaleCase-Control StudiesFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemory, Short-TermMiddle AgedNeuropsychological TestsNicotineNicotinic AgonistsReaction TimeRegression AnalysisSchizophreniaSmokeTask Performance and AnalysisVerbal LearningConceptsTask performanceFunctional connectivityFunctional magnetic resonance imaging (fMRI) scanningBrain regionsN-back taskMultiple cognitive domainsNetwork of regionsDifficult task conditionsAnterior cingulate cortexAttention loadMemory loadSelective attentionCognitive domainsTask conditionsCognitive functionCingulate cortexThalamocortical functional connectivityNicotine effectsCognitive dysfunctionBrain functionSchizophrenia patientsControl subjectsSchizophrenic subjectsMagnetic resonance imaging (MRI) scanningMental illness
1999
Neurotransmitter alterations in PTSD: catecholamines and serotonin.
Southwick SM, Paige S, Morgan CA, Bremner JD, Krystal JH, Charney DS. Neurotransmitter alterations in PTSD: catecholamines and serotonin. Seminars In Clinical Neuropsychiatry 1999, 4: 242-8. PMID: 10553029, DOI: 10.153/scnp00400242.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderIntrusive memoriesLevel of alertnessSelective attentionAuditory remindersLife-threatening stimuliStress disorderCatecholamine dysregulationUrine catecholamine excretionExaggerated reactivityDepressed moodExaggerated startlePlatelet paroxetine bindingSerotonergic dysregulationAggressionClinical efficacyImpulsivityMotor outputBlunted prolactin responseMemoryMoodSerotonin reuptake inhibitorsAdrenergic receptor numberCentral catecholamine neuronsCentral nervous system