The Common Phenotypes Hypothesis
Christoff Truter
Spousal caregiver
An exploration of FND, positive rule-in signs, comorbidity, predictive processing, diagnostic closure, and whether functional symptoms may reflect common phenotypes arising from multiple underlying conditions.
The FND quacks think that bringing a list of written notes to your appointment is near-certain proof that you have a psychosomatic disorder
jakovmrc
Person with Long Covid
A critical examination of the evidence behind so-called “rule-in signs” for Functional Neurological Disorder, focusing on the claim that bringing written notes to an appointment strongly indicates a psychosomatic condition.
Is FND a diagnosis of exclusion? A Monte Carlo simulation
FndNope
Moderator
This post explores how DSM-5 criteria for FND expand diagnoses compared with DSM-4 Conversion Disorder, using a simulation to show the impact of positive signs, comorbidities, and Dr Allen Frances’ concerns about diagnostic inflation.
Fatigable Weakness vs Functional Weakness: Why Hoover’s Sign Can Mislead When Isokinetic Testing Shows Otherwise
Christoff Truter
Spousal caregiver
Examines Hoover's sign in a patient with true fatigable weakness. Highlights how objective isokinetic testing better captures performance deficits than traditional clinical signs, preventing misinterpretation as functional weakness.
When Diagnosis Becomes Doctrine: Questioning FND and Clinical Authority
Christoff Truter
Spousal caregiver
When I started this website in July 2025, I received a lot of pushback from FND proponents. Some felt that the website was highly offensive and disrespectful, and urged me to please take the website down, which I obviously did not do.
