Meta-Analysis

EMDR has been compared to numerous exposure therapy protocols, with and without CT techniques. It should be noted that exposure therapy uses one to two hours of daily homework and EMDR uses none.  The most recent meta-analyses are listed here.

 

Bisson, J., Roberts, N.P., Andrew, M., Cooper, R. & Lewis, C. (2013).  Psychological therapies for chronic post-traumatic stress disorder (PTSD) in adults (Review). Cochrane Database of Systematic Reviews 2013, DOI: 10.1002/14651858.CD003388.pub4.
Research indicates that CBT and EMDR therapy are superior to all other treatments.

Bradley, R., Greene, J., Russ, E., Dutra, L., & Westen, D. (2005). A multidimensional meta-analysis of psychotherapy for PTSD.  American Journal of Psychiatry, 162, 214-227.
EMDR is equivalent to exposure and other cognitive behavioral treatments and all “are highly efficacious in reducing PTSD symptoms.

Chen, Y. R., Hung, K. W., Tsai, J. C., Chu, H., Chung, M. H., Chen, S. R., … & Chou, K. R. (2014). Efficacy of eye-movement desensitization and reprocessing for patients with posttraumatic-stress disorder: a meta-analysis of randomized controlled trials. PloS one, 9(8), e103676.

[A] quantitative meta-analysis on the findings of 26 randomized controlled trials of EMDR therapy for PTSD published between 1991 and 2013 . . . confirmed that EMDR therapy significantly reduces the symptoms of PTSD, depression, anxiety, and subjective distress in PTSD patients.

Davidson, P.R., & Parker, K.C.H. (2001). Eye movement desensitization and reprocessing (EMDR): A meta-analysis. Journal of Consulting and Clinical Psychology, 69, 305-316.
EMDR is equivalent to exposure and other cognitive behavioral treatments.  It should be noted that exposure therapy uses one to two hours of daily homework and EMDR uses none.

Ho, M. S. K., & Lee, C. W. (2012). Cognitive behaviour therapy versus eye movement desensitization and reprocessing for post-traumatic disorder–is it all in the homework then?. Revue Européenne de Psychologie Appliquée/European Review of Applied Psychology, 62(4), 253-260.
There were no differences between EMDR and TFCBT on measures of PTSD. However, there was a significant advantage for EMDR over TFCBT in reducing depression . .  The analysis also indicated a difference in the prescribed homework between the treatments. . . EMDR is efficacious for PTSD and trauma patients with or without co-morbid depression and requires little to no between session tasks to ensure positive outcomes.

Lee, C.W., & Cuijpers, P. (2013).  A meta-analysis of the contribution of eye movements in processing emotional memories. Journal of Behavior Therapy & Experimental Psychiatry, 44, 231-239.
The effect size for the additive effect of eye movements in EMDR treatment studies was moderate and significant (Cohen’s d = 0.41). For the second group of laboratory studies the effect size was large and significant (d = 0.74).

Maxfield, L., & Hyer, L.A. (2002). The relationship between efficacy and methodology in studies investigating EMDR treatment of PTSD. Journal of Clinical Psychology, 58, 23-41
A comprehensive meta-analysis reported the more rigorous the study, the larger the effect.

Rodenburg, R., Benjamin, A., de Roos, C, Meijer, A.M., & Stams, G.J. (2009). Efficacy of EMDR in children: A meta – analysis. Clinical Psychology Review, 29, 599-606.
Results indicate efficacy of EMDR when effect sizes are based on comparisons between EMDR and non-established trauma treatment or no-treatment control groups, and incremental efficacy when effect sizes are based on comparisons between EMDR and established (CBT) trauma treatment.

Seidler, G.H., & Wagner, F.E. (2006). Comparing the efficacy of EMDR and trauma-focused cognitive-behavioral therapy in the treatment of PTSD: a meta-analytic study. Psychological Medicine, 36,1515-1522.
Results suggest that in the treatment of PTSD, both therapy methods tend to be equally efficacious.

Watts, B.V. et al. (2013).  Meta-analysis of the efficacy of treatments for posttraumatic stress disorder. Journal of Clinical Psychiatry, 74, e541-550. doi: 10.4088/JCP.12r08225
CBT and eye movement desensitization and reprocessing were the most often-studied types of psychotherapy. Both were effective

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