Journal
ADDICTIVE BEHAVIORS
Volume 150, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.addbeh.2023.107904
Keywords
Addiction; Cognition; Neurocognition; Alcohol; Internet use; Pornography
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This study evaluated the neurocognitive correlates of problem alcohol use and three non-substance-related addictive behaviors using a large community sample. The results showed differential associations between neurocognition and each addictive behavior, highlighting the need for a more nuanced understanding of non-substance addiction.
Neurocognitive deficits have been implicated as transdiagnostic risk markers of substance use disorders. How-ever, these have yet to be comprehensively evaluated in other, non-substance addictions. In a large, general community sample (N = 475) the present study evaluated the neurocognitive correlates of problem alcohol use and three non-substance-related addictive behaviors: addictive eating (AE), problematic pornography use (PPU), and problematic use of the internet (PUI), to identify potential shared and distinct neurocognitive correlates. A sample of Australian residents (54.4 % female M[SD] age = 32.4[11.9] years) completed a comprehensive online assessment of neurocognitive tasks tapping into eight distinct expert-endorsed domains purportedly associated with addiction. Multiple linear regressions with bootstrapping were used to examine associations among each addictive behavior of interest and neurocognition, trait impulsivity, and compulsivity, as well as key covariates. Neurocognition was differentially associated with each addictive behavior. None of the neurocognitive domains were significantly associated with problematic alcohol use or AE (p >.05), poorer performance monitoring was significantly associated with higher levels of PPU and PUI (beta =-0.10, p =.049; beta =-0.09, p =.028), and a preference for delayed gratification was associated with more severe PUI (beta =-0.10, p =.025). Our findings have theoretical implications for how we understand non-substance addiction and suggest the need for a more nuanced approach to studying addictive behaviors that take into account the underlying neurocognitive mechanisms associated with each type of addiction.
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