Regular ArticleReorganization of Frontal Systems Used by Alcoholics for Spatial Working Memory: An fMRI Study
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2018, NeuroImage: ClinicalCitation Excerpt :Increased activity in the amygdala and insula associated with inflexible poor decision making (Xiao et al., 2013) is found in binge drinkers, while lower activity in the dorsolateral prefrontal cortex is observed in short-term abstinent alcoholics during inhibition tasks (Li et al., 2009), in adolescents with a family history of alcohol drinking during risky decision making (Cservenka and Nagel, 2012) and in adolescents without notable substance use involvement during response inhibition (Norman et al., 2011). Lesser activation of prefrontal executive control regions than seen in controls has been observed in alcoholics during spatial and verbal working memory tasks (Cservenka and Nagel, 2012; Desmond et al., 2003; Pfefferbaum et al., 2001). Active drinkers show enhanced BOLD activation in the ventral striatum when presented with visual alcohol cues, also supporting the notion of a stronger appetitive and reward drive in current alcohol dependence (Ihssen et al., 2011; Myrick et al., 2004; Myrick et al., 2008).