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Clinical Atlas Prestige · Evidence-first

Psych CASC / OSCEGeneral adult psychiatry

Psych CASC / OSCE · General adult psychiatry

Explaining functional neurological disorder to a patient — CASC communication station

MRCPsych/FRANZCP-style station: non-pejorative FND explanation, positive-sign rationale, MDT treatment hope, and check understanding.

communication
On this page & tools

Target exams

FRANZCPMRCPsychABPNMD-DNB

Target exams

FRANZCPMRCPsychABPNMD-DNB
Prompt
A 32-year-old woman with sudden leg weakness and Hoover's-positive examination has been told by a friend that conversion disorder means she is 'putting it on'. She wants plain-language explanation of FND, how you know, whether she is crazy, what treatment involves (physio and psychology), and whether she will walk again.

Station brief

Format. Communication station, approximately 7–10 minutes after reading time. You are the psychiatry (or neuropsychiatry) registrar. The patient is in clinic after neurology review. [1]

Candidate instructions. Explain functional neurological disorder in plain language; address the fear of “putting it on”; outline how positive signs support the diagnosis; describe specialist physiotherapy and psychological support; give realistic hope without false certainty; check understanding and invite questions. Avoid jargon dumps and pejorative terms. [1][2]

Candidate scenario

Patient: “They said conversion. My friend says that means I am faking. Am I crazy? Will I end up in a wheelchair forever? Why do I need a physiotherapist if the MRI is normal?” Examination notes confirm positive Hoover's sign and inconsistency without upper-motor-neurone disease pattern. [1][4]

Marking domains

  • Empathy and non-defensive structure
  • Accurate plain-language explanation that symptoms are real and involuntary
  • Use of positive-sign / rule-in concept without overwhelming technical detail
  • Clear outline of physiotherapy and psychological MDT care
  • Realistic hope and safety-netting for new red flags
  • Check understanding and collaborative next steps [1][2][3]
Reveal assessor key

Open. Introduce role, acknowledge fear, agenda-set. “It makes sense you are worried after what your friend said — I want to explain carefully what we think is going on.” [1]

Name and reframe. “We use the term functional neurological disorder, sometimes still called conversion disorder in older notes. It means a problem with how the nervous system is functioning — a bit like a software problem rather than a permanent broken cable. The weakness is real. You are not crazy and you are not putting it on.” [1][2][4]

How we know. “When I examined you, parts of the examination showed that the pathways can still work when attention is redirected — for example Hoover's sign. That positive finding helps us make the diagnosis; it is not based only on a normal scan.” [1][4]

Treatment. “Because the system is not destroyed, many people improve with the right help. Specialist physiotherapy retrains movement and reduces the brain’s over-focus on the weak leg. Psychological therapy helps with fear, panic, and getting confidence back. We work as a team and follow you up.” [2][3]

Hope and safety-net. “I cannot promise a day-by-day timeline, but improvement is possible and we will work actively toward walking more confidently. If new red-flag symptoms appear, we reassess — we do not ignore you.” [2]

Close. Summarise, offer written information, name next appointment, invite questions, document discussion. [1]

References

  1. [1]Stone J, Burton C, Carson A Recognising and explaining functional neurological disorder BMJ, 2020.PMID 33087335
  2. [2]Aybek S, Perez DL Diagnosis and management of functional neurological disorder BMJ, 2022.PMID 35074803
  3. [3]Nielsen G, Stone J, Matthews A, et al. Physiotherapy for functional motor disorders: a consensus recommendation J Neurol Neurosurg Psychiatry, 2015.PMID 25433033
  4. [4]Espay AJ, Aybek S, Carson A, et al. Current Concepts in Diagnosis and Treatment of Functional Neurological Disorders JAMA Neurol, 2018.PMID 29868890