Chunk #13 — 2. Materials and Methods — 2.3. Impulsivity Scores

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Differentiating Individuals with and without Alcohol Use Disorder Using Resting-State fMRI Functional Connectivity of Reward Network, Neuropsychological Performance, and Impulsivity Measures.

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Barratt Impulsiveness Scale—Version 11 (BIS-11) [61], a 30-item self-administered tool with excellent psychometric properties [62], was used to assess aspects of impulsivity. All three subscales, viz., motor impulsivity (BIS_MI), non-planning (BIS_NP), and attentional impulsivity (BIS_AI), were included in the random forest model.