Mark B Powers
Affiliation: University of Amsterdam
Country: The Netherlands
- A meta-analytic review of psychosocial interventions for substance use disordersLissa Dutra
Center for Anxiety and Related Disorders, 648 Beacon St, Fl 6, Boston, MA 02215, USA
Am J Psychiatry 165:179-87. 2008....
- The effect of attributional processes concerning medication taking on return of fearMark B Powers
Faculty of Social and Behavioral Sciences, University of Amsterdam, Amsterdam, The Netherlands
J Consult Clin Psychol 76:478-90. 2008..These findings highlight the importance of assessing patient attributions regarding the improvements achieved with combined exposure-based and pharmacological treatments for anxiety disorders...
- Virtual reality exposure therapy for anxiety disorders: A meta-analysisMark B Powers
Faculty of Social and Behavioral Sciences, Clinical Psychology, University of Amsterdam, The Netherlands
J Anxiety Disord 22:561-9. 2008..35 (S.E.=0.15, 95% CI: 0.05-0.65). There was a trend for a dose-response relationship with more VRET sessions showing larger effects (p=0.06). Outcome was not related to publication year or sample size. Implications are discussed...
- Behavioral couples therapy (BCT) for alcohol and drug use disorders: a meta-analysisMark B Powers
Faculty of Social and Behavioral Sciences, Clinical Psychology, University of Amsterdam, Roetersstraat 15, 1018 WB Amsterdam, The Netherlands
Clin Psychol Rev 28:952-62. 2008..The benefit for BCT with low severity problem drinkers has received little attention and one study suggests its efficacy may not extend to this subgroup...
- Does yohimbine hydrochloride facilitate fear extinction in virtual reality treatment of fear of flying? A randomized placebo-controlled trialKatharina Meyerbroeker
Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands
Psychother Psychosom 81:29-37. 2012..This randomized placebo-controlled trial examined the potential exposure-enhancing effects of YOH in a clinical sample of participants meeting DSM-IV criteria for a specific phobia (fear of flying)...
- A meta-analysis of the efficacy of acceptance and commitment therapy for clinically relevant mental and physical health problemsJacqueline G L A-Tjak
PsyQ, Zaandam, University of Amsterdam, Amsterdam, The Netherlands
Psychother Psychosom 84:30-6. 2015..The current study presents the results of a meta-analysis of 39 randomized controlled trials on the efficacy of acceptance and commitment therapy (ACT), including 1,821 patients with mental disorders or somatic health problems...
- Acceptance and commitment therapy: a meta-analytic reviewMark B Powers
Faculty of Social and Behavioral Sciences, Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands
Psychother Psychosom 78:73-80. 2009..This meta-analysis combined multiple well-controlled studies to help clarify the overall impact of ACT relative to waiting lists, psychological placebos, treatment as usual, and established therapies...
- Active-imaginal exposure: examination of a new behavioral treatment for cynophobia (dog phobia)Timothy O Rentz
Life Skills Support Center, Hill Air Force Base, Utah, USA
Behav Res Ther 41:1337-53. 2003..Furthermore, preliminary evidence suggests that our active-imaginal exposure treatment may be a viable alternative to in vivo exposure...
- Fear activation and distraction during the emotional processing of claustrophobic fearMichael J Telch
Laboratory for the Study of Anxiety Disorders, Department of Psychology, University of Texas at Austin, 1 University Station A8000, Austin, TX 79712 0187, USA
J Behav Ther Exp Psychiatry 35:219-32. 2004..Treatment process analyses revealed that the negative effects of distraction on treatment outcome manifested early as slower between-trial habituation. These results and their relevance to emotional processing theory are discussed...
- Mechanism of change in cognitive-behavioral treatment of panic disorder: evidence for the fear of fear mediational hypothesisJasper A J Smits
Laboratory for the Study of Anxiety Disorders, Department of Psychology, University of Texas at Austin, Austin, TX 78712, USA
J Consult Clin Psychol 72:646-52. 2004..Clinical implications and future research directions are discussed...
- The efficacy of videotape feedback for enhancing the effects of exposure-based treatment for social anxiety disorder: a controlled investigationJasper A J Smits
Department of Psychology, Southern Methodist University, Dedman College, P O Box 750442, Dallas, TX 75275, USA
Behav Res Ther 44:1773-85. 2006..Contrary to prediction, the videotape feedback procedures did not enhance the effects of exposure-based treatment. Clinical and theoretical implications are discussed...
- Psychological approaches in the treatment of specific phobias: a meta-analysisKate B Wolitzky-Taylor
Laboratory for the Study of Anxiety Disorders, Department of Psychology, The University of Texas at Austin, TX 78712 0187, USA
Clin Psychol Rev 28:1021-37. 2008..Recommendations for future research are also discussed...
- Emotional responding to hyperventilation as a predictor of agoraphobia status among individuals suffering from panic disorderMichael J Telch
Laboratory for the Study of Anxiety Disorders, Department of Psychology, University of Texas at Austin, Mezes 330, Mail Stop B3800, Austin, TX 78712, USA
J Behav Ther Exp Psychiatry 34:161-70. 2003....
- Emotional exposure in the treatment of substance use disorders: conceptual model, evidence, and future directionsMichael W Otto
Boston University Center for Anxiety and Related Disorders, 648 Beacon Street Sixth Floor, Boston, MA 02215, USA
Clin Psychol Rev 25:824-39. 2005..Hypothesized moderators and mediators of this treatment approach were discussed, as were similarities between this research agenda and an increasing focus on the role of emotional acceptance/tolerance in cognitive-behavioral treatments...
- Disentangling the effects of safety-behavior utilization and safety-behavior availability during exposure-based treatment: a placebo-controlled trialMark B Powers
Department of Psychology, University of Texas at Austin, 78712 0187, USA
J Consult Clin Psychol 72:448-54. 2004..Findings suggest that it is the perception of the availability of safety aids as opposed to their actual use that exerts a disruptive effect on fear reduction. Clinical implications are discussed...
- Appraisal of social concerns: a cognitive assessment instrument for social phobiaMichael J Telch
Department of Psychology, University of Texas, Austin, TX 78712, USA
Depress Anxiety 19:217-24. 2004..Subscale scores were strongly correlated. Preliminary findings suggest that the ASC is a psychometrically sound, time efficient instrument that can be used for both clinical and research purposes...
- Differential sensitivity of the three ASI factors in predicting panic disorder patients' subjective and behavioral response to hyperventilation challengeMatt Brown
Department of Psychology, Laboratory for the Study of Anxiety Disorders, University of Texas at Austin, Mezes 330 Mail Stop B3800, Austin, TX 78712, USA
J Anxiety Disord 17:583-91. 2003....