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Brooks, SJ, Wiemerslage, L, Burch, KH, Maiorana, SA, Cocolas, E, Schiöth, HB, Kamaloodien, K and Stein, DJ (2017) The impact of cognitive training in substance use disorder: the effect of working memory training on impulse control in methamphetamine users. Psychopharmacology, 234 (12). pp. 1911-1921. ISSN 1432-2072
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Abstract
OBJECTIVES: Impulsivity is a vulnerability trait for poor self-regulation in substance use disorder (SUD). Working memory (WM) training improves impulsivity and self-regulation in psychiatric disorders. Here we test WM training in methamphetamine use disorder (MUD). METHODS: There are 15 MUD patients receiving inpatient treatment as usual (TAU) and 20 who additionally completed WM cognitive training (CT) and 25 healthy controls (HC). MANCOVA repeated measures analyses examined changes in impulsivity and self-regulation at baseline and after 4 weeks. RESULTS: Post hoc t tests confirmed that at baseline, feelings of self-control were significantly lower in the MUD (t = 2.001, p = 0.05) and depression was higher (t = 4.980, p = 0.001), as was BIS total impulsivity (t = 5.370, p = 0.001) compared to the HC group. Total self-regulation score was higher in HC than MUD patients (t = 5.370, p = 0.001). CT had a 35% learning rate (R 2 = 0.3523, p < 0.05). Compared to follow-up TAU, follow-up CT group had higher self-reported mood scores (t = 2.784, p = 0.01) and higher compared to CT baseline (t = 2.386, p = 0.036). Feelings of self-control were higher in CT than TAU at follow-up (t = 2.736, p = 0.012) and also compared to CT baseline (t = 3.390, p = 0.006), lack of planning significantly improved in CT between baseline and follow-up (t = 2.219, p = 0.048), as did total impulsivity scores (t = 2.085, p = 0.048). Measures of self-regulation were improved in the CT group compared to TAU at follow-up, in total score (t = 2.442, p = 0.038), receiving score (t = 2.314, p = 0.029) and searching score (t = 2.362, p = 0.027). Implementing self-regulation was higher in the CT group compared to TAU (t = 2.373, p = 0.026). CONCLUSIONS: WM training may improve control of impulsivity and self-regulation in people with MUD.
| Item Type: | Article |
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| Uncontrolled Keywords: | 11 Medical And Health Sciences, 17 Psychology And Cognitive Sciences |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| Divisions: | Natural Sciences & Psychology (closed 31 Aug 19) |
| Publisher: | Springer Verlag |
| Related URLs: | |
| Date Deposited: | 27 Sep 2018 11:56 |
| Last Modified: | 04 Sep 2021 10:05 |
| DOI or ID number: | 10.1007/s00213-017-4597-6 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/9282 |
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