Eye Movement Therapies, Purple Hats, and the Sagan Standard
Editor’s note: Gerald Rosen and Gerald Davison coined the term purple hat therapy as a metaphor for treatment packages such as eye movement desensitization and reprocessing (EMDR) that combine essential elements (cognitive and behavioral techniques) and nonessential elements (eye movements). Wikipedia now has a page dedicated to this concept. In the 1980s, several novel psychotherapeutic techniques were proposed for the rapid cure of post-traumatic stress disorder (PTSD). At the forefront of these “power therapies” was Eye Movement Desensitization and Reprocessing (EMDR), a method developed by Francine Shapiro (1948–2019) and still commonly used today. Shapiro reported a 100 percent success rate treating trauma memories with multi-saccadic eye movements, and she assured clinicians who read her report that they could use eye movements to “achieve complete desensitization of 75–80% of any individually treated trauma-related memory in a single 50-minute session” (Shapiro 1989, 221). Shapiro then offered workshops that introduced her treatment to thousands of clinicians. Over time, EMDR came to enjoy the sun of scientific endorsement. We offer a less than sanguine view of EMDR, believing that …