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By David Tuller, DrPH [*In the last paragraph, I mistakenly referred to the CODES protocol rather than the CODES statistical analysis plan. I apologize for the error.] I have recently written about CODES, the high-profile clinical trial investigating whether cognitive behavior therapy (CBT) could reduce the frequency of dissociative seizures, also known as  psychogenic non-epileptic …

Trial By Error: More Questions About CODES Trial of CBT for Seizures Read More »

Lancet Psychiatry recently published the results of a high-profile trial of cognitive behavior therapy as a treatment for so-called dissociative seizures, also known as psychogenic non-epileptic seizures. The trial, nicknamed CODES, found that CBT had no impact on seizure frequency–the primary outcome. The average number of seizures per month dropped in both the treatment and …

Trial By Error: Trio of Trials Shows Limits of CBT for Medically Unexplained Symptoms Read More »

By David Tuller, DrPH Last week, I wrote about a troubling press release issued by King’s College London regarding a major study of cognitive behavioural therapy as a treatment for so-called dissociative seizures. On Friday, I sent a letter to the two communications people listed on the press release about the study, as well as …

Trial By Error: A Letter to KCL, Another Letter to BMJ Read More »

By David Tuller, DrPH I’ve been writing about so-called “medically unexplained symptoms,” or MUS, for the last couple of years. Much of that has come in the form of critiques of specific studies making excessive claims about the healing powers of cognitive behavior therapy. Recently, a blogger named Goodelf has posted a couple of revealing …

Trial By Error: A Couple of Blog Posts Worth Reading Read More »