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Bravo AJ, Pearson MR, Stevens LE, Henson JM. Depressive Symptoms and Alcohol-Related Problems Among College Students: A Moderated-Mediated Model of Mindfulness and Drinking to Cope. J Stud Alcohol Drugs 2017; 77:661-6. [PMID: 27340972 DOI: 10.15288/jsad.2016.77.661] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE In college student samples, the association between depressive symptoms and alcohol-related problems has been found to be mediated by drinking-to-cope motives. Mindfulness-based interventions suggest that mindfulness may attenuate the conditioned response of using substances in response to negative emotional states, and trait mindfulness has been shown to be a protective factor associated with experiencing fewer alcohol-related problems. In the present study, we examined trait mindfulness as a moderator of the indirect associations of depressive symptoms on alcohol-related problems via drinking-to-cope motives. METHOD Participants were undergraduate students at a large, southeastern university in the United States who drank at least once in the previous month (n = 448). Participants completed an online survey regarding their personal mental health, coping strategies, trait mindfulness, and alcohol use behaviors. The majority of participants were female (n = 302; 67.4%), identified as being either White non-Hispanic (n = 213; 47.5%) or African American (n = 119; 26.6%), and reported a mean age of 22.74 (SD = 6.81) years. Further, 110 (25%) participants reported having a previous and/or current experience with mindfulness mediation. RESULTS As hypothesized, the indirect effects from depressive symptoms to alcohol-related problems via drinking-to-cope motives were weaker among individuals reporting higher levels of mindfulness than among individuals reporting lower and average levels of mindfulness. CONCLUSIONS The present study suggests a possible mechanism through which mindfulness-based interventions may be efficacious among college students: decoupling the associations between depressive symptoms and drinking-to-cope motives.
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Affiliation(s)
- Adrian J Bravo
- Department of Psychology, Old Dominion University, Norfolk, Virginia
| | - Matthew R Pearson
- Center on Alcoholism, Substance Abuse, & Addictions, University of New Mexico, Albuquerque, New Mexico
| | - Leah E Stevens
- Department of Psychology, Old Dominion University, Norfolk, Virginia
| | - James M Henson
- Department of Psychology, Old Dominion University, Norfolk, Virginia
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Davis JP, Dumas TM, Berey BL, Merrin GJ, Cimpian JR, Roberts BW. Effect of Victimization on Impulse Control and Binge Drinking among Serious Juvenile Offenders from Adolescence to Young Adulthood. J Youth Adolesc 2017; 46:1515-1532. [PMID: 28439741 PMCID: PMC8009312 DOI: 10.1007/s10964-017-0676-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 04/11/2017] [Indexed: 02/07/2023]
Abstract
A vast literature has found longitudinal effects of early life stress on substance use and self-regulatory processes. These associations may vary by period-specific development among youth involved in the juvenile justice system. The current study used an accelerated longitudinal design and auto-regressive latent trajectory with structure residuals (ALT-SR) model to examine the within-person cross-lagged associations between binge drinking, impulse control, and victimization from 15 to 25 years of age. A large sample (N = 1100) of justice-involved youth were followed longitudinally for 7 years (M age baseline = 15.8, M age conclusion = 22.8). In general, the sample was ethnically diverse (41% Black, 34% Hispanic, 21% White, 4.3% Other) and primarily male (87.2%). Participants reported on their frequency of binge drinking, impulse control, and frequency of victimization at each time point. The results indicated that, during adolescence, victimization and binge drinking attenuated impulse control, which resulted in more binge drinking and victimization during young adulthood. The current study highlights the importance of assessing developmental processes and period-specific transitions among at risk youth, especially for youth experiencing early life stress.
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Affiliation(s)
- Jordan P Davis
- University of Illinois at Urbana-Champaign, Champaign, IL, USA.
| | - Tara M Dumas
- Huron University College at Western University, London, ON, Canada
| | | | | | | | - Brent W Roberts
- University of Illinois at Urbana-Champaign, Champaign, IL, USA
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Abstract
Interest in the influence of dispositional mindfulness (DM) on psychological health has been gathering pace over recent years. Despite this, a systematic review of this topic has not been conducted. A systematic review can benefit the field by identifying the terminology and measures used by researchers and by highlighting methodological weaknesses and empirical gaps. We systematically reviewed non-interventional, quantitative papers on DM and psychological health in non-clinical samples published in English up to June 2016, following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. A literature search was conducted using PsycINFO, PubMED, Medline and Embase, and 93 papers met the inclusion criteria. Within these, three main themes emerged, depicting the relationship between DM and psychological health: (1) DM appears to be inversely related to psychopathological symptoms such as depressive symptoms, (2) DM is positively linked to adaptive cognitive processes such as less rumination and pain catastrophizing and (3) DM appears to be associated with better emotional processing and regulation. These themes informed the creation of a taxonomy. We conclude that research has consistently shown a positive relationship between DM and psychological health. Suggestions for future research and conceptual and methodological limitations within the field are discussed.
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Affiliation(s)
- Eve R. Tomlinson
- Department of Psychology, University of Bath, BA2 7AY, 10W 3.51, Bath, UK
| | - Omar Yousaf
- Department of Psychology, University of Bath, BA2 7AY, 10W 3.51, Bath, UK
| | - Axel D. Vittersø
- Department of Psychology, University of Bath, BA2 7AY, 10W 3.51, Bath, UK
| | - Lauraine Jones
- Department of Psychology, University of Bath, BA2 7AY, 10W 3.51, Bath, UK
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Soltis KE, McDevitt-Murphy ME, Murphy JG. Alcohol Demand, Future Orientation, and Craving Mediate the Relation Between Depressive and Stress Symptoms and Alcohol Problems. Alcohol Clin Exp Res 2017; 41:1191-1200. [PMID: 28401985 DOI: 10.1111/acer.13395] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 04/04/2017] [Indexed: 11/29/2022]
Abstract
BACKGROUND Elevated depression and stress have been linked to greater levels of alcohol problems among young adults even after taking into account drinking level. This study attempts to elucidate variables that might mediate the relation between symptoms of depression and stress and alcohol problems, including alcohol demand, future time orientation, and craving. METHODS Participants were 393 undergraduates (60.8% female, 78.9% White/Caucasian) who reported at least 2 binge-drinking episodes (4/5+ drinks for women/men, respectively) in the previous month. Participants completed self-report measures of stress and depression, alcohol demand, future time orientation, craving, and alcohol problems. RESULTS In separate mediation models that accounted for gender, race, and weekly alcohol consumption, future orientation and craving significantly mediated the relation between depressive symptoms and alcohol problems. Alcohol demand, future orientation, and craving significantly mediated the relation between stress symptoms and alcohol problems. CONCLUSIONS Heavy-drinking young adults who experience stress or depression are likely to experience alcohol problems, and this is due in part to elevations in craving and alcohol demand, and less sensitivity to future outcomes. Interventions targeting alcohol misuse in young adults with elevated levels of depression and stress should attempt to increase future orientation and decrease craving and alcohol reward value.
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Affiliation(s)
- Kathryn E Soltis
- Department of Psychology, University of Memphis, Memphis, Tennessee
| | | | - James G Murphy
- Department of Psychology, University of Memphis, Memphis, Tennessee
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Comparing the Effectiveness of Mindfulness-Based Group Therapy and Methadone Maintenance Therapy on Psychological Symptoms (Obsession, Interpersonal Sensitivity, Depression, Anxiety, and Aggression) among Opioid-Dependent Patients. ACTA ACUST UNITED AC 2017. [DOI: 10.5812/semj.45224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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MacKillop J, Weafer J, Gray J, Oshri A, Palmer A, de Wit H. The latent structure of impulsivity: impulsive choice, impulsive action, and impulsive personality traits. Psychopharmacology (Berl) 2016; 233:3361-70. [PMID: 27449350 PMCID: PMC5204128 DOI: 10.1007/s00213-016-4372-0] [Citation(s) in RCA: 215] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 06/30/2016] [Indexed: 11/24/2022]
Abstract
RATIONALE Impulsivity has been strongly linked to addictive behaviors, but can be operationalized in a number of ways that vary considerably in overlap, suggesting multidimensionality. OBJECTIVE This study tested the hypothesis that the latent structure among multiple measures of impulsivity would reflect the following three broad categories: impulsive choice, reflecting discounting of delayed rewards; impulsive action, reflecting ability to inhibit a prepotent motor response; and impulsive personality traits, reflecting self-reported attributions of self-regulatory capacity. METHODS The study used a cross-sectional confirmatory factor analysis of multiple impulsivity assessments. Participants were 1252 young adults (62 % female) with low levels of addictive behavior, who were assessed in individual laboratory rooms at the University of Chicago and the University of Georgia. The battery comprised a Delay (replace hyphen with space) Discounting Task, Monetary Choice Questionnaire, Conners' Continuous Performance Test, Go/NoGo Task, Stop Signal Task, Barratt Impulsiveness Scale, and the UPPS-P Impulsive Behavior Scale. RESULTS The hypothesized three-factor model provided the best fit to the data, although sensation seeking was excluded from the final model. The three latent factors were largely unrelated to each other and were variably associated with substance use. CONCLUSIONS These findings support the hypothesis that diverse measures of impulsivity can broadly be organized into three categories that are largely distinct from one another. These findings warrant investigation among individuals with clinical levels of addictive behavior and may be applied to understanding the underlying biological mechanisms of these categories.
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Affiliation(s)
- James MacKillop
- Peter Boris Centre for Addictions Research, McMaster University/St. Joseph's Healthcare Hamilton, Hamilton, ON, L8P 3R2, Canada. .,Homewood Research Institute, Homewood Health Centre, Guelph, ON, N1E 4J3, Canada.
| | - Jessica Weafer
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL 60637, USA
| | - Joshua Gray
- Department of Psychology, University of Georgia Athens, GA 30602, USA
| | - Assaf Oshri
- Department of Human Development and Family Science, University of Georgia Athens, GA 30602, USA
| | - Abraham Palmer
- Department of Psychiatry, University of California, San Diego, San Diego, CA 92093, USA
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL 60637, USA
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Vinci C, Peltier M, Waldo K, Kinsaul J, Shah S, Coffey SF, Copeland AL. Examination of trait impulsivity on the response to a brief mindfulness intervention among college student drinkers. Psychiatry Res 2016; 242:365-374. [PMID: 27344030 PMCID: PMC4975969 DOI: 10.1016/j.psychres.2016.04.115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 04/29/2016] [Accepted: 04/29/2016] [Indexed: 11/30/2022]
Abstract
Mindfulness-based strategies show promise for targeting the construct of impulsivity and associated variables among problematic alcohol users. This study examined the moderating role of intervention (mindfulness vs relaxation vs control) on trait impulsivity and three outcomes examined post-intervention (negative affect, positive affect, and urge to drink) among 207 college students with levels of at-risk drinking. Moderation analyses revealed that the relationship between baseline impulsivity and the primary outcomes significantly differed for participants who underwent the mindfulness versus relaxation interventions. Notably, simple slope analyses revealed that negative urgency was positively associated with urge to drink following the mindfulness intervention. Among participants who underwent the relaxation intervention, analysis of simple slopes revealed that negative urgency was negatively associated with urge to drink, while positive urgency was positively associated with positive affect following the relaxation intervention. Findings suggest that level (low vs high) and subscale of impulsivity matter with regard to how a participant will respond to a mindfulness versus relaxation intervention.
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Affiliation(s)
- Christine Vinci
- Rice University, Psychology Department, 6100 Main St., Houston, TX 77005, United States.
| | - MacKenzie Peltier
- Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, United States
| | - Krystal Waldo
- Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, United States
| | - Jessica Kinsaul
- Durham Veteran Affairs Medical Center, Mental Health Service Line, Um 508 Fulton St, Durham, NC 27705, United States
| | - Sonia Shah
- Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, United States
| | - Scott F. Coffey
- University of Mississippi Medical Center, Department of Psychiatry and Human Behavior, 2500 North State St., Jackson, MS 39216, United States
| | - Amy L. Copeland
- Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, United States
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Sheffer CE, Mackillop J, Fernandez A, Christensen D, Bickel WK, Johnson MW, Panissidi L, Pittman J, Franck CT, Williams J, Mathew M. Initial examination of priming tasks to decrease delay discounting. Behav Processes 2016; 128:144-52. [PMID: 27179761 PMCID: PMC4942247 DOI: 10.1016/j.beproc.2016.05.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 05/10/2016] [Accepted: 05/10/2016] [Indexed: 11/19/2022]
Abstract
Steep discounting of delayed rewards is linked with a variety of unhealthy behaviors that contribute to the major causes of preventable death and disease. Growing evidence suggests that decreases in delay discounting contribute to healthier preferences. This study sought to provide preliminary evidence for the viability of developing a brief priming task to reduce delay discounting in a large, diverse group of individuals. Participants (n=1,122) were randomized to one of three conditions: Future Focus (FF), Present Focus (PF), and Non-Temporal Focus (NTF) intended respectively to decrease, increase, or have no effect on delay discounting. Participants then completed the Monetary Choice Questionnaire, a brief assessment of delay discounting rate. Participants randomized to FF exhibited significantly lower discounting rates than those randomized to PF or NTF conditions. Race, Hispanic background, social self-monitoring, education, and cigarette smoking also accounted for a significant amount of variance in the discounting model. These findings provide support for the development of a brief priming intervention that might be examined in clinical or public health contexts to decrease discounting and support healthy choices.
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Affiliation(s)
- Christine E Sheffer
- Sophie Davis School of Biomedical Education / CUNY Medical School, 160 Convent Ave, City College of New York, United States.
| | - James Mackillop
- Peter Boris Centre for Addictions Research, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada, x39492, Canada.
| | - Arislenia Fernandez
- Department of Psychology, Harris Hall Suite 14, City College of New York, United States
| | - Darren Christensen
- Faculty of Health Sciences, University of Lethbridge, Lethbridge, AB, Canada.
| | - Warren K Bickel
- Advanced Recovery Research Center, Virginia Tech Carilion Research Institute, Roanoke, VA, United States.
| | - Matthew W Johnson
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD 21224-6823, United States.
| | - Luana Panissidi
- Department of Psychology, Harris Hall Suite 14, City College of New York, United States
| | - Jami Pittman
- Department of Psychology, Harris Hall Suite 14, City College of New York, United States
| | - Christopher T Franck
- Virginia Tech University, Virginia Tech Department of Statistics, 403E Hutcheson Hall, Blacksburg, VA 24061, United States.
| | - Jarrett Williams
- Department of Psychology, Harris Hall Suite 14, City College of New York, United States
| | - Merlin Mathew
- Department of Psychology, Harris Hall Suite 14, City College of New York, United States
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Deplus S, Billieux J, Scharff C, Philippot P. A Mindfulness-Based Group Intervention for Enhancing Self-Regulation of Emotion in Late Childhood and Adolescence: A Pilot Study. Int J Ment Health Addict 2016. [DOI: 10.1007/s11469-015-9627-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Abstract
Mindfulness is a multi-faceted construct, and research suggests that certain components (e.g., Acting with Awareness, Nonjudging) are associated with less problematic alcohol use. Recent research has examined whether specific drinking motives mediate the relationship between facets of mindfulness and alcohol use. The current study sought to extend this research by examining whether certain drinking motives would mediate the relationship between facets of mindfulness and problematic alcohol use in a sample of 207 college students classified as engaging in problematic drinking. Participants completed the Five Facet Mindfulness Questionnaire (FFMQ), Drinking Motives Questionnaire-Revised (DMQ-R), and Alcohol Use Disorders Identification Test (AUDIT). Results indicated that lower levels of Coping motives significantly mediated the relationship between greater Acting with Awareness and lower AUDIT score and between greater Nonjudging and lower AUDIT score. Lower levels of Conformity motives significantly mediated the relationship between greater Acting with Awareness and lower AUDIT score. These findings offer insight into specific mechanisms through which mindfulness is linked to less problematic drinking, and also highlight associations among mindfulness, drinking motives, and alcohol use among a sample of problematic college student drinkers. Future research should determine whether interventions that emphasize Acting with Awareness and Nonjudging facets of mindfulness and/or target coping and conformity motives could be effective for reducing problematic drinking in college students.
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Abstract
Training in meditation has been shown to affect functioning of several attentional subsystems, most prominently conflict monitoring, and to some extent orienting. These previous findings described the effects of cueing and manipulating stimulus congruency on response times and accuracies. However, changes in accuracy and response times can arise from several factors. Computational process models can be used to distinguish different factors underlying changes in accuracy and response times. When decomposed by means of the drift diffusion model, a general process model of decision making that has been widely used, both the congruency and cueing effects, is subserved by a change in decision thresholds. Meditators showed a modest overall increase in their decision threshold, which may reflect an ability to wait longer and collect more information before responding.
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Affiliation(s)
- Marieke K. van Vugt
- Institute of Artificial Intelligence and Cognitive Engineering, University of Groningen, Nijenborgh 9, 747 AG Groningen, The Netherlands
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Karyadi KA, Cyders MA. Elucidating the Association between Trait Mindfulness and Alcohol Use Behaviors among College Students. Mindfulness (N Y) 2015; 6:1242-1249. [PMID: 26848315 PMCID: PMC4734757 DOI: 10.1007/s12671-015-0386-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Trait mindfulness has been considered a protective factor against alcohol use behaviors; however, the specific trait mindfulness facets, the specific alcohol use behaviors, and the mechanism underlying this relationship remain unclear. The present study examined the relationship between specific trait mindfulness facets and specific alcohol use behaviors, and how cued alcohol cravings might mediate this relationship. High-risk, young adult, undergraduate social drinkers (n = 240, 75% Caucasian, 70% female, mean age 19.4 years) completed a series of questionnaires and reported their level of alcohol cravings following alcohol pictorial cue exposure. Trait mindfulness was associated with less problematic alcohol use (r = -0.19, p < 0.01), but was not associated with alcohol use quantity (r = -0.07, p = 0.30) and duration (r = -0.08, p = 0.21). Only acting with awareness was associated with all types of alcohol use behaviors-including less problematic alcohol use (β = -0.18, p = 0.02), lower alcohol use quantity (β = -0.16, p = 0.04), and shorter alcohol use duration (β = -0.19, p = 0.02). Cued alcohol cravings mediated the negative associations of overall trait mindfulness (b = -0.50, p < 0.05) and acting with awareness (b = -0.32, p < 0.05) with problematic alcohol use, and the negative associations of acting with awareness with alcohol use quantity (b = -1.24, p < 0.05) and alcohol use duration (b = -0.34, p < 0.05). These findings suggest that the protective effect of trait mindfulness likely operates through reducing cued alcohol cravings and might be most specific to acting with awareness among college students, thus suggesting a differential role of separate trait mindfulness facets in this high risk group.
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Impulsivity and Stillness: NADA, Pharmaceuticals, and Psychotherapy in Substance Use and Other DSM 5 Disorders. Behav Sci (Basel) 2015; 5:537-46. [PMID: 26703743 PMCID: PMC4695777 DOI: 10.3390/bs5040537] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 11/02/2015] [Accepted: 11/08/2015] [Indexed: 01/26/2023] Open
Abstract
Pharmaceuticals and psychotherapy are commonly used in the management of impulsivity. The National Acupuncture Detoxification Association (NADA) protocol is an adjunctive therapy that involves the bilateral insertion of 1 to 5 predetermined ear needle points. One of the main benefits reported by patients, providers, and programs utilizing NADA is the sense of stillness, centering, and well-being. The induction of this attitude is seen as contributing to improved clinical outcomes including engagement and retention. The attitude of stillness is also suggestive of a pathway to mitigating impulsivity. Impulsivity is associated with substance use disorders and other DSM 5 diagnoses. Impulsivity has characteristics that are manifested clinically in behaviors such as disinhibition, poor self-control, lack of deliberation, thrill seeking, risk-taking. NADA holds promise as a useful treatment adjunct in the comprehensive management of disorders for which impulsivity is a prominent component.
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Peters JR, Smart LM, Eisenlohr-Moul TA, Geiger PJ, Smith GT, Baer RA. Anger Rumination as a Mediator of the Relationship Between Mindfulness and Aggression: The Utility of a Multidimensional Mindfulness Model. J Clin Psychol 2015; 71:871-84. [PMID: 25919798 DOI: 10.1002/jclp.22189] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVES Mindfulness training reduces anger and aggression, but the mechanisms of these effects are unclear. Mindfulness may reduce anger expression and hostility via reductions in anger rumination, a process of thinking repetitively about angry episodes that increases anger. Previous research supports this theory but used measures of general rumination and assessed only the present-centered awareness component of mindfulness. The present study investigated associations between various aspects of mindfulness, anger rumination, and components of aggression. METHOD The present study used self-report measures of these constructs in a cross-sectional sample of 823 students. RESULTS Structural equation modeling revealed that anger rumination accounts for a significant component of the relationship between mindfulness and aggression, with the largest effect sizes demonstrated for the nonjudgment of inner experiences facet of mindfulness. CONCLUSION Nonjudgment and present-centered awareness may influence aggression via reduced anger rumination. The importance of examining mindfulness as a multidimensional construct is discussed.
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Salmoirago-Blotcher E, Druker S, Meyer F, Bock B, Crawford S, Pbert L. Design and methods for "Commit to Get Fit" - a pilot study of a school-based mindfulness intervention to promote healthy diet and physical activity among adolescents. Contemp Clin Trials 2015; 41:248-58. [PMID: 25687667 DOI: 10.1016/j.cct.2015.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 02/09/2015] [Accepted: 02/10/2015] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Cardiovascular prevention is more effective if started early in life, but available interventions to promote healthy lifestyle habits among youth have been ineffective. Impulsivity in particular has proven to be an important barrier to the adoption of healthy behaviors in youth. Observational evidence suggests that mindfulness interventions may reduce impulsivity and improve diet and physical activity. We hypothesize that mindfulness training in adjunct to traditional health education will improve dietary habits and physical activity among teenagers by reducing impulsive behavior and improving planning skills. METHODS/DESIGN The Commit to Get Fit study is a pilot cluster randomized controlled trial examining the feasibility, acceptability and preliminary efficacy of school-based mindfulness training in adjunct to traditional health education for promotion of a healthy diet and physical activity among adolescents. Two schools in central Massachusetts (30 students per school) will be randomized to receive mindfulness training plus standard health education (HE-M) or an attention-control intervention plus standard health education (HE-AC). Assessments will be conducted at baseline, intervention completion (2 months), and 8 months. Primary outcomes are feasibility and acceptability. Secondary outcomes include physical activity, diet, impulsivity, mood, body mass index, and quality of life. CONCLUSIONS This study will provide important information about feasibility and preliminary estimates of efficacy of a school-delivered mindfulness and health education intervention to promote healthy dietary and physical activity behaviors among adolescents. Our findings will provide important insights about the possible mechanisms by which mindfulness training may contribute to behavioral change and inform future research in this important area.
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Affiliation(s)
- Elena Salmoirago-Blotcher
- Centers for Behavioral and Preventive Medicine, The Warren Alpert Medical School of Brown University, One Hoppin Street, Providence, RI 02903, United States.
| | - Sue Druker
- Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, United States
| | - Florence Meyer
- Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, United States
| | - Beth Bock
- Centers for Behavioral and Preventive Medicine, The Warren Alpert Medical School of Brown University, One Hoppin Street, Providence, RI 02903, United States
| | - Sybil Crawford
- Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, United States
| | - Lori Pbert
- Division of Preventive and Behavioral Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, United States
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Ashe ML, Newman MG, Wilson SJ. Delay discounting and the use of mindful attention versus distraction in the treatment of drug addiction: a conceptual review. J Exp Anal Behav 2015; 103:234-48. [PMID: 25545725 PMCID: PMC4410050 DOI: 10.1002/jeab.122] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 11/13/2014] [Indexed: 01/21/2023]
Abstract
In recent decades, researchers have integrated measurements of delay discounting, how the subjective valuation of a reward changes as a function of time, into their study of addiction. Research has begun to explore the idea that delay discounting may serve as both a marker for the effectiveness of existing treatments for addiction and a potential target for novel intervention strategies. As this work is in its infancy, many potentially significant connections between the construct of delay discounting and the treatment of addiction have yet to be explored. Here, we present a conceptual review highlighting novel points of intersection between delay discounting and two approaches to treating addiction that have become increasingly popular in recent years: those that focus on the development of mindfulness skills and those that emphasize the use of distraction techniques. Viewing these two techniques through the lens of delay discounting is particularly intriguing because of the very different way that they address the experience of drug cravings in the present moment (nonjudgmentally attending to vs. shifting attention away from subjective cravings, respectively). We propose that these opposing strategies for dealing with cravings may interact with delay discounting in ways that have important implications for treatment effectiveness.
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Roos CR, Pearson MR, Brown DB. Drinking motives mediate the negative associations between mindfulness facets and alcohol outcomes among college students. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2014; 29:176-83. [PMID: 25546142 DOI: 10.1037/a0038529] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Mindfulness and drinking motives have both been linked to affect regulation, yet the relationship between mindfulness and drinking motives is poorly understood. The present study examined whether drinking motives, particularly mood regulatory motives, mediated the associations between facets of mindfulness and alcohol-related outcomes among college students (N = 297). We found 3 specific facets of mindfulness (describing, nonjudging of inner experience, and acting with awareness) to have negative associations with alcohol outcomes. Importantly, specific drinking motives mediated these associations such that lower levels of mindfulness were associated with drinking for distinct reasons (enhancement, coping, conformity), which in turn predicted alcohol use and/or alcohol problems. Our findings suggest that drinking motives, especially mood regulatory and negative reinforcement motives, are important to examine when studying the role of mindfulness in college student drinking behavior. (PsycINFO Database Record
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Affiliation(s)
- Corey R Roos
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico
| | - Matthew R Pearson
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico
| | - David B Brown
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico
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Weafer J, Mitchell SH, de Wit H. Recent Translational Findings on Impulsivity in Relation to Drug Abuse. CURRENT ADDICTION REPORTS 2014; 1:289-300. [PMID: 25678985 PMCID: PMC4323183 DOI: 10.1007/s40429-014-0035-6] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Impulsive behavior is strongly implicated in drug abuse, as both a cause and a consequence of drug use. To understand how impulsive behaviors lead to and result from drug use, translational evidence from both human and non-human animal studies is needed. Here, we review recent (2009 or later) studies that have investigated two major components of impulsive behavior, inhibitory control and impulsive choice, across preclinical and clinical studies. We concentrate on the stop-signal task as the measure of inhibitory control and delay discounting as the measure of impulsive choice. Consistent with previous reports, recent studies show greater impulsive behavior in drug users compared with non-users. Additionally, new evidence supports the prospective role of impulsive behavior in drug abuse, and has begun to identify the neurobiological mechanisms underlying impulsive behavior. We focus on the commonalities and differences in findings between preclinical and clinical studies, and suggest future directions for translational research.
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Affiliation(s)
- Jessica Weafer
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, 5841 S. Maryland Avenue MC3077, Chicago, IL 60637, USA
| | - Suzanne H. Mitchell
- Departments of Behavioral Neuroscience and Psychiatry, L470, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, 5841 S. Maryland Avenue MC3077, Chicago, IL 60637, USA
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69
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Gullo MJ, Loxton NJ, Dawe S. Impulsivity: four ways five factors are not basic to addiction. Addict Behav 2014; 39:1547-1556. [PMID: 24576666 DOI: 10.1016/j.addbeh.2014.01.002] [Citation(s) in RCA: 109] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 12/09/2013] [Accepted: 01/09/2014] [Indexed: 10/25/2022]
Abstract
Several impulsivity-related models have been applied to understanding the vulnerability to addiction. While there is a growing consensus that impulsivity is multifaceted, debate continues as to the precise number of facets and, more critically, which are most relevant to explaining the addiction-risk profile. In many ways, the current debate mirrors that which took place in the personality literature in the early 1990s (e.g., Eysenck's 'Big Three' versus Costa and McCrae's 'Big Five'). Indeed, many elements of this debate are relevant to the current discussion of the role of impulsivity in addictive behavior. Specifically, 1) the use of factor analysis as an atheoretical 'truth-grinding machine'; 2) whether additional facets add explanatory power over fewer; 3) the delineation of specific neurocognitive pathways from each facet to addictive behaviors, and; 4) the relative merit of 'top-down' versus 'bottom-up' approaches to the understanding of impulsivity. Ultimately, the utility of any model of impulsivity and addiction lies in its heuristic value and ability to integrate evidence from different levels of analysis. Here, we make the case that theoretically-driven, bottom-up models proposing two factors deliver the optimal balance of explanatory power, parsimony, and integration of evidence.
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70
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Karyadi KA, VanderVeen JD, Cyders MA. A meta-analysis of the relationship between trait mindfulness and substance use behaviors. Drug Alcohol Depend 2014; 143:1-10. [PMID: 25113434 PMCID: PMC4263033 DOI: 10.1016/j.drugalcdep.2014.07.014] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 07/14/2014] [Accepted: 07/14/2014] [Indexed: 01/17/2023]
Abstract
BACKGROUND The relationship between trait mindfulness and substance use behaviors has been inconsistent across studies. The current meta-analysis aimed at quantifying the magnitude of this relationship, and at determining how this relationship varies in context of (1) mindfulness facets, (2) substance type, (3) sample characteristics, and (4) substance use severity. METHODS Using electronic databases, the literature search yielded 303 articles, but only 39 articles met inclusion criteria to be included in this meta-analysis. The relationship was quantified as a Pearson's r correlation coefficient for all studies. RESULTS Findings indicated a small, negative, and significant trait mindfulness-substance use behaviors relationship (r=-0.13). This relationship varied across substance type, clinical status of the sample, and substance use severity. Mindfulness facet was not a significant moderator; however, only particular facets (e.g., acting with awareness, non-judgment, and non-reactivity) were consistently associated with substance use behaviors. CONCLUSIONS This meta-analysis quantified the trait mindfulness-substance use behaviors relationship, which can be used as future effect size estimates. Findings also indicated that the trait mindfulness-substance use behaviors relationship was more robust: (1) for alcohol and tobacco use compared to marijuana use behaviors; (2) for problematic compared to non-problematic substance use behaviors; and (3) with inpatient compared to outpatient and non-clinical samples. Further work should continue to examine if acting with awareness, non-judgment, and non-reactivity mindfulness facets are more robustly associated with substance use behaviors. Failure to consider these factors, or collapsing across these factors, could explain the smaller or inconsistently reported associations across previous studies.
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Affiliation(s)
- Kenny A Karyadi
- Indiana University-Purdue University, 402 N. Blackford St., LD 124, Indianapolis, IN 46202, United States.
| | - J Davis VanderVeen
- Indiana University-Purdue University, 402 N. Blackford St., LD 124, Indianapolis, IN 46202, United States
| | - Melissa A Cyders
- Indiana University-Purdue University, 402 N. Blackford St., LD 124, Indianapolis, IN 46202, United States
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71
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Stojek MM, Fischer S, Murphy CM, MacKillop J. The role of impulsivity traits and delayed reward discounting in dysregulated eating and drinking among heavy drinkers. Appetite 2014; 80:81-8. [PMID: 24816318 PMCID: PMC4830338 DOI: 10.1016/j.appet.2014.05.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 04/09/2014] [Accepted: 05/03/2014] [Indexed: 12/16/2022]
Abstract
Impulsivity is a multifaceted construct that has been linked to dysregulated eating and problematic alcohol use. The UPPS model identifies five personality-based impulsivity traits that have unique predictive utility: Negative Urgency, Perseverance, Premeditation, Sensation Seeking, and Positive Urgency. Delayed reward discounting (DRD) is an index of impulsive decision making characterized by preference for smaller immediate gains at the cost of larger delayed gains. In the current study, we sought to refine the influence of impulsive personality traits and DRD on disordered eating patterns and problematic drinking. One hundred and eight treatment-seeking heavy drinkers were assessed for UPPS impulsivity traits, DRD, disordered eating, alcohol use, and demographic information. With regard to disordered eating patterns, DRD predicted higher levels of Dietary Restraint and Weight and Shape Concerns. Negative Urgency predicted binge eating and Weight and Shape Concerns. Positive Urgency predicted Eating Concerns. Female sex predicted Eating, Weight, and Shape Concerns. When considering problematic alcohol use, only Negative Urgency and Sensation Seeking were predictive. This is the first study to examine both personality-based impulsivity and DRD in relation to pathological eating and drinking behavior. The results suggest the importance of disentangling the contributions of various impulsivity constructs on dysregulated eating.
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Affiliation(s)
- Monika M Stojek
- Department of Psychology, University of Georgia, Athens, GA, USA
| | - Sarah Fischer
- Department of Psychology, George Mason University, Fairfax, VA, USA
| | - Cara M Murphy
- Department of Psychology, University of Georgia, Athens, GA, USA
| | - James MacKillop
- Department of Psychology, University of Georgia, Athens, GA, USA.
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72
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When you see it, let it be: Urgency, mindfulness and adolescent substance use. Addict Behav 2014; 39:1038-41. [PMID: 24629324 DOI: 10.1016/j.addbeh.2014.02.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 02/11/2014] [Accepted: 02/13/2014] [Indexed: 11/22/2022]
Abstract
The emotion-based domains of impulsivity, positive and negative urgency, are facets that have garnered attention due to their associations with substance use, and mindfulness based strategies have shown promise in reducing substance use in adults. The aim of the current study was to examine relations among urgency, mindfulness, and substance use in adolescence. Cross-sectional data were collected from students (N=1,051) at a large, private high school in the Pacific Northwest. Both positive and negative urgency were uniquely associated with greater likelihood of lifetime and current alcohol use; only positive urgency predicted lifetime marijuana use. Mindfulness was associated with a lower likelihood of lifetime alcohol or marijuana use. Interactions between urgency and mindfulness were not supported. Our findings highlight the need to explore relations among baseline mindfulness, skills based mindfulness, and personality in adolescent alcohol and other drug use.
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73
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Levin ME, Dalrymple K, Himes S, Zimmerman M. Which facets of mindfulness are related to problematic eating among patients seeking bariatric surgery? Eat Behav 2014; 15:298-305. [PMID: 24854822 DOI: 10.1016/j.eatbeh.2014.03.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 01/09/2014] [Accepted: 03/11/2014] [Indexed: 11/19/2022]
Abstract
There has been growing research indicating the potential positive benefits of mindfulness-based interventions for obesity, but few studies have examined the relationship of mindfulness processes to obesity-related behaviors, particularly among clinical populations such as bariatric surgery candidates. The current study examined the relationship of specific mindfulness facets to a variety of problematic eating behaviors assessed through diagnostic interviews in a clinical sample of 820 patients seeking bariatric surgery. Results indicated that greater mindfulness on specific facets, particularly acting with awareness, was related to less binge and emotional eating. Greater mindfulness was also related, though less consistently, to less habitual overeating and grazing. The observing facet was generally unrelated to problematic eating, but in a few cases being more observant related to having greater eating problems. The results of the study and future directions are discussed in relation to research on problematic eating in obesity and mindfulness-based interventions.
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Affiliation(s)
- Michael E Levin
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA; Utah State University, Department of Psychology, Logan, UT, USA.
| | - Kristy Dalrymple
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA; Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
| | - Susan Himes
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
| | - Mark Zimmerman
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA; Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
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74
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Mackillop J, Miller JD, Fortune E, Maples J, Lance CE, Campbell WK, Goodie AS. Multidimensional examination of impulsivity in relation to disordered gambling. Exp Clin Psychopharmacol 2014; 22:176-85. [PMID: 24708148 PMCID: PMC4118301 DOI: 10.1037/a0035874] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Impulsivity has been consistently associated with pathological gambling (PG), but the diversity of definitions and measures of impulsivity has led to ambiguity with regard to which indices are independently relevant. Toward clarifying this relationship, the current study examined indices from an array of commonly used impulsivity measures in relation to PG severity in an adult community sample of frequent gamblers (N = 353). These included both survey assessments and behavioral tasks. Using a factor analytic approach, 4 latent factors were identified among 19 indices and were designated reward sensitivity, punishment sensitivity, delay discounting, and cognitive impulsivity. All 4 latent variables were positively and independently related to PG severity, albeit at a trend level for cognitive impulsivity in a combined model. These findings reveal 4 generally independent domains of impulsivity that are related to PG severity, clarify which assessment measures aggregate in each domain, and illustrate the importance of measurement specificity in studying impulsivity in relation to PG and other psychiatric disorders.
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75
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Cyders MA, Littlefield AK, Coffey S, Karyadi KA. Examination of a short English version of the UPPS-P Impulsive Behavior Scale. Addict Behav 2014; 39:1372-6. [PMID: 24636739 DOI: 10.1016/j.addbeh.2014.02.013] [Citation(s) in RCA: 402] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 02/25/2014] [Indexed: 11/27/2022]
Abstract
The current study examines a recently developed short English version of the UPPS-P Impulsive Behavior Scale. Participants were 251 undergraduate students (59.3% male; mean age=21.16 (SD=4.18); 72% Caucasian). The short version generally replicated the internal consistency (0.74-0.88 across subscales) and inter-scale correlations of the full English UPPS-P. Moreover, the estimated loss of shared variance was small (0%-6.4% reductions across subscales) as compared to a 66% time-savings. Structural equation modeling replicated previously supported factor structures and relationships to external outcomes using the full UPPS-P. This short UPPS-P scale should be considered a valid and reliable alternative to the full UPPS-P in English-speaking non-clinical adult samples.
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76
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Murphy CM, MacKillop J. Mindfulness as a strategy for coping with cue-elicited cravings for alcohol: an experimental examination. Alcohol Clin Exp Res 2014; 38:1134-42. [PMID: 24428808 DOI: 10.1111/acer.12322] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 10/14/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Mindfulness has been identified as a promising strategy for managing cravings for alcohol and other drugs, but little controlled experimental research has directly studied whether this approach is effective. The current study systematically examined the effects of an acute mindfulness manipulation on craving for alcohol during prolonged exposure to alcohol cues. METHODS Heavy drinkers (N = 84, 50% male) underwent a prolonged alcohol cue exposure paradigm in a simulated bar environment and received either a mindfulness-based strategy, a distraction (DST)-based strategy (active control), or no strategy (passive control) to cope with alcohol cravings and discomfort associated with craving. RESULTS No baseline differences were present between conditions. Manipulation checks revealed that participants in the 2 active conditions reported using the recommended strategies. Across groups, the initial exposure to alcohol cues was associated with significant increases in craving, urge distress, and heart rate. Mixed analyses of variance on these indices following the experimental manipulation revealed significant differences based on condition over the course of the bar laboratory protocol. The DST strategy was significantly more effective at acutely reducing craving and urge distress than the other 2 conditions, which did not significantly differ from each other. CONCLUSIONS Contrary to our prediction, these findings suggest that an acute DSTstrategy is beneficial for coping with alcohol cravings. The potential importance of protracted mindfulness training to detect significant effects on in vivo craving, additional implications, and methodological considerations are discussed.
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Affiliation(s)
- Cara M Murphy
- Department of Psychology, University of Georgia, Athens, Georgia
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77
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Combs JL, Jordan CE, Smith GT. Individual Differences in Personality Predict Externalizing versus Internalizing Outcomes Following Sexual Assault. PSYCHOLOGICAL TRAUMA-THEORY RESEARCH PRACTICE AND POLICY 2013; 6:375-383. [PMID: 30740196 DOI: 10.1037/a0032978] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
For some women, the experience of being sexually assaulted leads to increases in externalizing behaviors, such as problem drinking and drug use; for other women, the experience of being assaulted leads to increases in internalizing distress like depression or anxiety. It is possible that pre-assault personality traits interact with sexual assault to predict externalizing or internalizing distress. We tested whether concurrent relationships among personality, sexual assault, and distress were consistent with such a model. We surveyed 750 women just prior to their freshman year at a large public university. Consistent with our hypotheses, at low levels of negative urgency (the tendency to act rashly when distressed), sexual assault exposure had little relationship to problem drinking and drug use. At high levels of negative urgency, being sexually assaulted was highly associated with those externalizing behaviors. At low levels of internalizing personality traits, being assaulted had little relationship to depression and anxiety symptoms; at high levels of the traits, assault experience was highly related to those symptoms. Personality assessment could lead to more person-specific post-assault interventions.
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78
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Latzman RD, Masuda A. Examining mindfulness and psychological inflexibility within the framework of Big Five personality. PERSONALITY AND INDIVIDUAL DIFFERENCES 2013. [DOI: 10.1016/j.paid.2013.02.019] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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79
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Ludwig V, Stelzel C, Krutiak H, Prunkl C, Steimke R, Paschke L, Kathmann N, Walter H. Impulsivity, self-control, and hypnotic suggestibility. Conscious Cogn 2013; 22:637-53. [DOI: 10.1016/j.concog.2013.04.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 04/01/2013] [Accepted: 04/04/2013] [Indexed: 11/16/2022]
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80
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Pearson MR, Murphy EM, Doane AN. Impulsivity-like traits and risky driving behaviors among college students. ACCIDENT; ANALYSIS AND PREVENTION 2013; 53:142-8. [PMID: 23428428 PMCID: PMC5242231 DOI: 10.1016/j.aap.2013.01.009] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 01/18/2013] [Accepted: 01/18/2013] [Indexed: 05/24/2023]
Abstract
The present study examined the predictive effects of five impulsivity-like traits (Premeditation, Perseverance, Sensation Seeking, Negative Urgency, and Positive Urgency) on driving outcomes (driving errors, driving lapses, driving violations, cell phone driving, traffic citations, and traffic collisions). With a convenience sample of 266 college student drivers, we found that each of the impulsivity-like traits was related to multiple risky driving outcomes. Positive Urgency (tendency to act impulsively when experiencing negative affect) was the most robust predictor of risky driving outcomes. Positive Urgency is a relatively newly conceptualized impulsivity-like trait that was not examined in the driving literature previously, suggesting a strong need to further examine its role as a personality trait related to risky driving. These findings generally support the multidimensional assessment of impulsivity-like traits, and they specifically support the addition of Positive Urgency to a list of risk factors for risky driving behaviors.
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Affiliation(s)
- Matthew R Pearson
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, NM, USA.
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81
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MacKillop J. Integrating behavioral economics and behavioral genetics: delayed reward discounting as an endophenotype for addictive disorders. J Exp Anal Behav 2012; 99:14-31. [PMID: 23344986 DOI: 10.1002/jeab.4] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Accepted: 07/05/2012] [Indexed: 01/15/2023]
Abstract
Delayed reward discounting is a behavioral economic index of impulsivity, referring to how much an individual devalues a reward based on its delay in time. As a behavioral process that varies considerably across individuals, delay discounting has been studied extensively as a model for self-control, both in the general population and in clinical samples. There is growing interest in genetic influences on discounting and, in particular, the prospect of discounting as an endophenotype for addictive disorders (i.e., a heritable mechanism partially responsible for conferring genetic risk). This review assembles and critiques the evidence supporting this hypothesis. Via numerous cross-sectional studies and a small number of longitudinal studies, there is considerable evidence that impulsive discounting is associated with addictive behavior and appears to play an etiological role. Moreover, there is increasing evidence from diverse methodologies that impulsive delay discounting is temporally stable, heritable, and that elevated levels are present in nonaffected family members. These findings suggest that impulsive discounting meets the criteria for being considered an endophenotype. In addition, recent findings suggest that genetic variation related to dopamine neurotransmission is significantly associated with variability in discounting preferences. A significant caveat, however, is that the literature is modest in some domains and, in others, not all the findings have been supportive or consistent. In addition, important methodological considerations are necessary in future studies. Taken together, although not definitive, there is accumulating support for the hypothesis of impulsive discounting as an endophenotype for addictive behavior and a need for further systematic investigation.
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Affiliation(s)
- James MacKillop
- Department of Psychology, 100 Hooper St. University of Georgia, Athens, GA 30605, USA.
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