david perez

Trial By Error: Letter to Journal about Inflated Claims of FND Prevalence

By David Tuller, DrPH I have spent some time trying to correct the record on the reported prevalence of functional neurological disorder (FND). As I have documented, leaders of the FND field have spent the last decade misrepresenting the findings of a seminal 2010 study, Stone et al, to claim that this diagnosis is the …

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Trial By Error: Update on Efforts to Correct False Statements about FND Prevalence

By David Tuller, DrPH I have continued writing my letter-writing effort to alert journals about papers on functional neurological disorder (FND) that have included false statements regarding the prevalence of the condition reported by a seminal study in the field the reported prevalence of the condition. (I was going to refer to this as a …

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Trial By Error: A Letter to Psychological Medicine about Inflated FND Rate Claims

By David Tuller, DrPH The journal NeuroImage: Clinical, an Elsevier title, recently agreed to correct the false statement that a 2010 study found functional neurological disorder to be the second-most-common diagnosis at outpatient neurology clinics. To the journal’s credit, it responded positively within days of receiving a letter about the matter from a group of …

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Trial By Error: A Letter Requesting Corrections of Inflated Prevalence Rates in Nine More FND Papers

By David Tuller, DrPH Several colleagues and I recently wrote to the journal NeuroImage: Clinical to request a correction in a 2021 article about functional neurological disorder (FND). The article included the false claim that a seminal 2010 study found that FND was the second-most-common diagnosis at outpatient neurology clinics. In fact, FND—called conversion disorder …

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Trial By Error: My Letter to Author of CODES Commentary

By David Tuller, DrPH Earlier today, I sent the following letter to Dr David Perez, a neurologist and psychiatrist at Massachusetts General Hospital in Boston. Dr Perez, an expert on functional neurological disorders, wrote a commentary for Lancet Psychiatry that accompanied the publication of the results for CODES, a major study of cognitive behavior therapy …

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