Decreased frontal lobe phosphocreatine levels in methamphetamine users
نویسندگان
چکیده
منابع مشابه
Decreased frontal white-matter integrity in abstinent methamphetamine abusers.
This study explored differences in frontal white-matter (WM) integrity between methamphetamine (MA) abusers and healthy comparison subjects using diffusion tensor imaging (DTI). Fractional anisotropy (FA) values, which indicate WM integrity, were calculated for regions-of-interest in frontal WM on diffusion tensor images of 32 MA abusers and 30 healthy comparison subjects. Frontal executive fun...
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chess is considered as a cognitive game because of severe engagement of the mental resources during playing. the purpose of this study is evaluation of frontal lobe function of chess players with matched non-players. wisconsin card sorting test (wcst) data showed no difference between the player and non-player groups in preservation error and completed categories but surprisingly showed signifi...
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Temporal lobe epilepsy (TLE) is typically associated with long-term memory dysfunction. The frontal lobes support high-level cognition comprising executive skills and working memory that is vital for daily life functioning. Deficits in these functions have been increasingly reported in TLE. Evidence from both the neuropsychological and neuroimaging literature suggests both executive function an...
متن کاملDecreased striatal dopamine D1 receptor-stimulated adenylyl cyclase activity in human methamphetamine users.
OBJECTIVE It has been assumed that some behavioral changes associated with repeated exposure to dopaminergic psychostimulant drugs might be explained by changes in activity of dopamine receptors, including the dopamine D(1) receptor, which is linked by a stimulatory G protein to the effector enzyme adenylyl cyclase. To establish whether dopamine D(1) receptor function might be altered in human ...
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ژورنال
عنوان ژورنال: Drug and Alcohol Dependence
سال: 2013
ISSN: 0376-8716
DOI: 10.1016/j.drugalcdep.2012.09.015