Research Topics
| Karen L HansonSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
Neurocognitive impairments in MDMA and other drug users: MDMA alone may not be a cognitive risk factorKaren L Hanson
Department of Psychiatry, University of California San Diego, San Diego, CA, USA
J Clin Exp Neuropsychol 32:337-49. 2010..MDMA leads to serotonin (5-hydroxytryptamine; 5-HT) neurotoxicity and has been linked to cognitive impairments. It remains unclear whether these impairments are due to MDMA versus other drug use...
Longitudinal study of cognition among adolescent marijuana users over three weeks of abstinenceKaren L Hanson
VA San Diego Healthcare System, Psychology Service, 3350 La Jolla Village Drive 116B, San Diego, CA 92161, USA
Addict Behav 35:970-6. 2010..In this longitudinal study, we characterized neurocognitive changes among marijuana-using adolescents across the first three weeks of abstinence...
Hippocampal volumes in adolescents with and without a family history of alcoholismKaren L Hanson
VA San Diego Healthcare System, Psychology Service, San Diego, California, USA
Am J Drug Alcohol Abuse 36:161-7. 2010..However, differences in hippocampal volume may be due to risk factors such as a family history (FH) of alcoholism. We examined hippocampal volumes in youth with and without a FH of alcoholism prior to the initiation of alcohol use...
Reward-related decision-making deficits and elevated impulsivity among MDMA and other drug usersKaren L Hanson
University of California San Diego, Department of Psychiatry, San Diego, CA 92093, USA
Drug Alcohol Depend 96:99-110. 2008..Moreover, few studies have examined reward-related cognitive processes. Our aim was to examine reward-related decision-making and impulsivity among MDMA users while controlling for polydrug use via appropriate comparison groups...
Prefrontal cortex morphometry in abstinent adolescent marijuana users: subtle gender effectsKrista Lisdahl Medina
Department of Psychiatry, University of California, San Diego, CA, USA
Addict Biol 14:457-68. 2009..Future research will measure PFC gray and white matter separately and follow boys and girls over adolescence to examine the influence of MJ use on neurodevelopment...
Neuropsychological functioning in adolescent marijuana users: subtle deficits detectable after a month of abstinenceKrista Lisdahl Medina
Department of Psychiatry, University of California, San Diego, and Psychology Department, VA San Diego Healthcare System, San Diego, California 92161, USA
J Int Neuropsychol Soc 13:807-20. 2007..It is possible that frequent marijuana use during adolescence may negatively influence neuromaturation and cognitive development...
Changes in neuropsychological functioning over 10 years following adolescent substance abuse treatmentKaren L Hanson
Department of Psychiatry, University of California, La Jolla, CA 92093 0109, USA
Psychol Addict Behav 25:127-42. 2011..Higher levels of AOD withdrawal symptoms may signify greater neuropsychological impairment, reflecting potential neurotoxic effects of AOD use...
Prefrontal cortex volumes in adolescents with alcohol use disorders: unique gender effectsKrista Lisdahl Medina
Department of Psychiatry, University of California, San Diego, California, USA
Alcohol Clin Exp Res 32:386-94. 2008..This study examined PFC volumes in male and female adolescents with AUD who did not meet criteria for comorbid mood or attention disorders...
Follow-up study of anxiety disorder and alcohol dependence in comorbid alcoholism treatment patientsMatt G Kushner
Department of Psychiatry, Fairview Riverside Hospital, University of Minnesota, Minneapolis 55454, USA
Alcohol Clin Exp Res 29:1432-43. 2005..We also explored the prospective associations of specific anxiety syndromes (and depression) with drinking and anxiety outcomes...
Neurocognitive function in users of MDMA: the importance of clinically significant patterns of useKaren L Hanson
Department of Psychology, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
Psychol Med 34:229-46. 2004..Future research studies of diverse samples of users may shed light on the mechanisms that underlie these differences...
