Research Topics
| T E NordahlSummaryAffiliation: University of California Country: USA Publications
Research Grants
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Detail Information
Publications
Methamphetamine users in sustained abstinence: a proton magnetic resonance spectroscopy studyThomas E Nordahl
Department of Psychiatry and Behavioral Sciences, University of California Davis Medical Center, 4701 X Street, Sacramento, CA 95817, USA
Arch Gen Psychiatry 62:444-52. 2005....- Neuropsychological effects of chronic methamphetamine use on neurotransmitters and cognition: a reviewThomas E Nordahl
Department of Psychiatry, University of California Davis Medical Center, Sacramento, California 95817, USA
J Neuropsychiatry Clin Neurosci 15:317-25. 2003..This selective review provides an outline and synthesis of studies that assess the neurotoxic mechanisms of methamphetamine, as well as those that evaluate the cognitive sequelae of methamphetamine abuse... - Anterior cingulate metabolism correlates with stroop errors in paranoid schizophrenia patientsT E Nordahl
Center for Functional Imaging, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA
Neuropsychopharmacology 25:139-48. 2001.... - Low N-acetyl-aspartate and high choline in the anterior cingulum of recently abstinent methamphetamine-dependent subjects: a preliminary proton MRS study. Magnetic resonance spectroscopyThomas E Nordahl
Department of Psychiatry and Behavioral Sciences, University of California, Davis, CA, USA
Psychiatry Res 116:43-52. 2002..The neuronal compromise that these changes reflect may contribute to the attentional deficits and dampened reward system in MD... 
Spatial inhibition and the visual cortex: a magnetic resonance spectroscopy imaging studyR Salo
Department of Psychiatry and Behavioral Sciences, University of California, Davis, CA, USA
Neuropsychologia 49:830-8. 2011..As psychostimulants such as methamphetamine (MA) are particularly neurotoxic to the dopaminergic system it was of interest to examine the performance of MA-dependent individuals on a task of spatial attention...- Functional connectivity and working memory in schizophrenia: an EEG studyA Peled
Department of Psychiatry, University of California Davis Medical Center, Sacramento, California, USA
Int J Neurosci 106:47-61. 2001..If distinct deficits in cortical network activations would correlate with mental disorders it would be relevant to diagnosis and treatment of psychiatric disorders... - Drug abstinence and cognitive control in methamphetamine-dependent individualsRuth Salo
UC Davis Imaging Research Center, 4701 X Street, Sacramento, CA, USA
J Subst Abuse Treat 37:292-7. 2009..87). Stroop RT interference correlated positively with both duration of drug use (p = .003) and drug abstinence (p = .05). The data in the current study provide evidence that cognitive function may improve with protracted drug abstinence... - Methamphetamine and paranoia: the methamphetamine experience questionnaireMartin H Leamon
Department of Psychiatry and Behavioral Sciences, University of California, Davis, California, USA
Am J Addict 19:155-68. 2010..14, p = .07). The MEQ provides useful information on drug use variables that contribute to paranoia commonly associated with MA use. (Am J Addict 2010;00:1-14)... - Preliminary evidence of behavioral predictors of recurrent drug-induced psychosis in methamphetamine abuseRuth Salo
Department of Psychiatry and Behavioral Sciences, University of California, Davis, CA, USA
Psychiatry Res 157:273-7. 2008.... - Extended findings of brain metabolite normalization in MA-dependent subjects across sustained abstinence: a proton MRS studyRuth Salo
Dept of Psychiatry and Behavioral Sciences, University of California, Davis, CA 95817, USA
Drug Alcohol Depend 113:133-8. 2011..The goal of the present study was to extend our previous findings on long-term methamphetamine (MA) use and drug abstinence on brain metabolite levels in an expanded group of MA-dependent individuals... - Findings of preserved implicit attention in methamphetamine dependent subjectsRuth Salo
Department of Psychiatry and Behavioral Sciences, University of California, Davis, USA
Prog Neuropsychopharmacol Biol Psychiatry 32:217-23. 2008.... - Is filtering difficulty the basis of attentional deficits in schizophrenia?Susan M Ravizza
Department of Psychology, University of California, Davis, CA, USA
Psychiatry Res 151:201-9. 2007..The current findings also suggest that when a course of action is not implied by an irrelevant feature, outpatients' behavior is not modulated by extraneous visual information any more than in healthy controls... - Cognitive control and white matter callosal microstructure in methamphetamine-dependent subjects: a diffusion tensor imaging studyRuth Salo
Department of Psychiatry and Behavioral Sciences, University of California Davis, UC Davis Medical Center, 4701 X Street, Sacramento, CA 95817, USA
Biol Psychiatry 65:122-8. 2009..Abnormalities have been reported in anterior regions with less evidence of changes in posterior regions. Methamphetamine abusers have also shown deficits on attention tests that measure response conflict and cognitive control... - Attentional control and brain metabolite levels in methamphetamine abusersRuth Salo
Department of Psychiatry and Behavioral Sciences, University of California, Davis, California 95817, USA
Biol Psychiatry 61:1272-80. 2007..Methamphetamine abuse is associated with neurotoxicity to frontostriatal brain regions with concomitant deleterious effects on cognitive processes... - A dissociation in attentional control: evidence from methamphetamine dependenceRuth Salo
Department of Psychiatry and Behavioral Sciences and the Imaging Research Center, University of California Davis 95817, USA
Biol Psychiatry 57:310-3. 2005..The goal of this study was to test whether task-shifting, selective inhibition, or both processes were impaired in long-term but currently abstinent methamphetamine-dependent individuals... - Immediate versus sustained processing in schizophreniaRuth Salo
Department of Psychiatry and Center for Neuroscience, University of California, Davis 95616, USA
J Int Neuropsychol Soc 8:794-803. 2002..4 years; p < .05). Positive symptom ratings were also significantly higher in the inpatients. The finding of reduced NP in the state hospital patients appears to be related to severity of symptomatology and chronicity of illness... - Preliminary evidence of reduced cognitive inhibition in methamphetamine-dependent individualsRuth Salo
Department of Psychiatry, UC Davis Medical Center, 2230 Stockton Blvd, Sacramento, CA 95817, USA
Psychiatry Res 111:65-74. 2002..Furthermore, the dissociation between explicit attentional performance and priming effects suggests that some attentional functions are not as affected by long-term methamphetamine use as others... - The effects of antipsychotic medication on sequential inhibitory processesR Salo
Center for Neuroscience, University of California, Davis 95616, USA
J Abnorm Psychol 106:639-43. 1997..The study of sequential inhibitory processes and their response to neuroleptic treatment could be important methods for understanding the temporal parameters associated with inhibition in schizophrenia... - Association of estrogen levels with neuropsychological performance in women with schizophreniaA L Hoff
University of California, Davis Napa Psychiatric Research Center, Napa State Hospital, CA 94558, USA
Am J Psychiatry 158:1134-9. 2001..This study sought to determine the relationship of estrogen levels with psychiatric symptoms and neuropsychological function in female patients with schizophrenia... - No effect of age and estrogen on aromatic L- amino acid decarboxylase activity in rhesus monkey brainJamie L Eberling
Department of Neurology, Center for Neuroscience, University of California, Davis, CA 94618, USA
Neurobiol Aging 23:479-83. 2002..In addition, FMT uptake did not differ from a group of young adult female monkeys at either time point. These findings may represent a compensatory up-regulation of aromatic L- amino acid decarboxylase (AADC) activity... - Mood-elevating effects of opioid analgesics in patients with bipolar disorderCharles B Schaffer
Department of Psychiatry and Behavioral Sciences, University of California, Davis, California, USA
J Neuropsychiatry Clin Neurosci 19:449-52. 2007..None of the comparison subjects reported a significant mood reaction from opioid analgesics. These results indicate that opioid analgesics can have an important mood-altering effect on patients with known bipolar disorder... - Attentional control and word inhibition in schizophreniaAvishai Henik
Department of Behavioral Sciences and Zlotowski Center for Neuroscience, Ben Gurion University of the Negev, Beer Sheva, Israel
Psychiatry Res 110:137-49. 2002..This suggests that the integrity or impairment of cognitive control functions in schizophrenia is related to the complexity of the context representation required to support that function... - Sex differences in the corpus callosum of patients with schizophreniaMatthew S Panizzon
UC Davis-Napa Psychiatric Research Center, Napa State Hospital, T-10, 2100 Napa-Vallejo Highway, Napa, CA 94558, USA
Schizophr Res 62:115-22. 2003..CC size was not related to psychiatric symptoms nor cognitive functioning in this group of patients...
Research Grants
- Neural Damage in Methamphetamine Users: An MRS StudyTHOMAS NORDAHL; Fiscal Year: 2003..A similar analysis approach will be applied to the behavioral data. Correlational analyses between cognitive measures and imaging data from specific hypothesized regions of interest will be conducted. ..