FND Education Project

REFERENCE · RECOVERY TECHNIQUE

Mirror and Visual Feedback for Functional Dystonia

Most likely fit: A brief, selected view of the affected part helps the person recognize a less-strained position, align a movement with a target or compare perceived with observed posture. The benefit disappears or monitoring increases when the person watches continuously. [Clinical consensus; direct functional-dystonia component evidence is limited]

Not the same as: Staring at symptoms, recording without consent, showing video to confront the person, using a mirror to diagnose FND, or claiming that a visual change proves the posture was voluntary.

For the Person With FND
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For the Person With FND

What this technique does

Your felt sense of where a joint is can differ from what you see. A mirror can sometimes make one useful detail clearer: the heel has reached the surface, the wrist is a little less bent, the shoulder is not as high during a reach, or the trunk is closer to the target than it feels. The therapist then links that information to an action.

The mirror should have a job and an endpoint. You might look for two or three attempts, turn away, and repeat the movement toward an object. The aim is to carry useful information into ordinary movement—not to spend the day checking whether the posture looks normal.

Anatomy in everyday language

Joint-position sense is part of proprioception, the body’s internal information about position and movement. Vision supplies another source of information. The brain normally combines the two, along with touch and balance signals.

For a hand task, visual feedback might show the relationship of the forearm, wrist, knuckles and fingers. For a foot task, it might show the tibia (shin), ankle, heel, arch and forefoot relative to the floor. For axial posturing, a therapist may use landmarks such as shoulders, sternum (breastbone), pelvis and feet while avoiding an overwhelming list of corrections.

A brief feedback cycle

  1. Agree on one visible feature connected to a task.
  2. Use a mirror or live video only in a safe, supported position.
  3. Look while completing a small action, not while judging the whole body.
  4. Name the useful result in neutral terms: “the palm contacted the surface” rather than “the hand looked normal.”
  5. Remove the mirror and repeat the action toward the same target.
  6. Stop if watching increases pain, distress, dissociation, checking or posturing.

Still images or recordings should be made only with consent, stored securely and deleted when no longer needed. Never delay urgent care to record a new event.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
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For Family, Friends, and Other Supporters

Use mirrors or video only if the person and clinician have included them in the plan. Do not film unexpectedly or replay symptoms to convince the person that they “can control it.” Avoid comments about appearance. A useful observation is tied to function: “the hand stayed on the towel while you folded it.”

If the person begins checking repeatedly, comparing sides or becoming distressed, help end the feedback period and return attention to the agreed activity. Respect privacy and consent every time a recording is considered.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
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For Clinicians and the Care Team

Selection and setup

Trial visual feedback when observed versus perceived joint position appears discrepant, a specific alignment change becomes available with vision, or demonstration supports motor learning. Avoid or modify it when body-image distress, visuospatial impairment, dissociation, pain vigilance or compulsive checking outweighs benefit.

Define the anatomical landmark and functional purpose before introducing the mirror. For example, monitor calcaneal contact and tibial progression during seated foot loading, scapular elevation and hand contact during a reach, or pelvic and shoulder orientation during a transfer. Do not ask the person to correct every visible segment.

Explicit procedure

  1. Obtain consent and explain the learning purpose.
  2. Establish baseline performance without feedback.
  3. Position the mirror or camera so the selected body segment and task target are visible without unsafe head or trunk movement.
  4. Give one external or functional cue and allow a short observation period.
  5. Reinforce a concrete change in contact, direction, range or task completion.
  6. Remove or obscure the visual feedback and repeat the task.
  7. Compare performance, effort, pain and attention with and without feedback.
  8. Continue only if the signal improves learning or safety without increasing symptom surveillance.

Progression and measures

Fade feedback from continuous to intermittent, then from clinic mirror to natural environmental cues. Progress from a single supported movement to the relevant activity. Regress by reducing viewing time, simplifying the visual field, using a fixed external target or returning to nonvisual sensory input.

Measure task performance, joint contact or alignment relevant to the goal, assistance, pain, perceived effort, checking behaviour and transfer after the mirror is removed. Consensus and focused review recommend direct visualization or mirrors where they reduce disparity between perceived and actual posture; controlled evidence for mirror feedback as an isolated functional-dystonia treatment is absent. [1][2][3]

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
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Research and Sources

Citation Full citation
[1] Nicholson C, Edwards MJ, Carson AJ, et al. Occupational therapy consensus recommendations for functional neurological disorder. Journal of Neurology, Neurosurgery & Psychiatry. 2020;91(10):1037–1045. FND-CIT-0011. https://doi.org/10.1136/jnnp-2019-322281
[2] Nielsen G, Stone J, Matthews A, et al. Physiotherapy for functional motor disorders: a consensus recommendation. Journal of Neurology, Neurosurgery & Psychiatry. 2015;86(10):1113–1119. FND-CIT-0028. https://doi.org/10.1136/jnnp-2014-309255
[3] Frucht L, Perez DL, Callahan J, et al. Functional dystonia: differentiation from primary dystonia and multidisciplinary treatments. Frontiers in Neurology. 2021;11:605262. FND-CIT-0021. https://doi.org/10.3389/fneur.2020.605262

Detailed technique page created September 12, 2026 · Clinical and accessibility review pending

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —