Phantom Limb Pain

Phantom Limb Pain Webinar

How to make a mirror box

Phantom Contractures

Remapping

Mirror Visual Feedback and Phantom Limb Assessment

This page accompanies the training video on Mirror Visual Feedback, often abbreviated to MVF, and the assessment of phantom limb pain. It is intended as an introductory reference for practitioners who want to understand the main clinical considerations before using mirror box approaches with people experiencing phantom limb phenomena.

Mirror Visual Feedback is often known as mirror box therapy. In its simplest form, it may involve no more than a mirror attached to a box, positioned so that the reflection of the existing limb creates the visual illusion of the missing limb. Although the equipment can be very simple, the assessment, setup, clinical judgement and practitioner restraint required are not.

Core principle: Mirror Visual Feedback is not simply a technique to “try on pain”. The practitioner must first understand what kind of pain is present, what kind of phantom is present, what trauma or medical history surrounds the limb loss, and whether the person is suitable for this form of work.

Contents

• What Mirror Visual Feedback Is
• Before Using the Mirror
• Screening and Assessment Issues
• Phantom Limb Pain, Stump Pain and Nerve Pain
• Sensory Remapping
• Assessing the Phantom Image
• When Mirror Box Work Is More Likely to Help
• Stages of a Mirror Visual Feedback Session
• Telescoping and Longer-Term Change
• Wider Applications and Cautions
• Summary for Practitioners

What Mirror Visual Feedback Is

Mirror Visual Feedback uses a reflected image to create the visual impression that the missing limb is present. For example, a person with a missing left hand may place their right hand beside a mirror so that the reflection appears to occupy the space where the left hand would be.

The purpose is not simply to show the person a trick. The purpose is to create a convincing sensory illusion that the nervous system can use. When the illusion is absorbed into the person’s experience, it may alter the phantom limb image and, in some cases, reduce phantom limb pain.

The approach is commonly associated with the work of V. S. Ramachandran and the wider field of phantom limb research. It is a deceptively simple intervention that depends heavily on the quality of the setup, the assessment beforehand, and the practitioner’s ability to avoid interfering with the client’s experience.

Before Using the Mirror

Before a practitioner uses Mirror Visual Feedback, they need to consider the wider context of the limb loss. Limb loss may occur through accident, industrial injury, military trauma, sepsis, diabetes, vascular disease, cancer, infection, congenital difference, or surgical necessity.

Each of these contexts carries different implications. A person who gradually lost a limb through progressive vascular disease may present very differently from someone who lost a limb suddenly in an explosion, accident or medical emergency.

The practitioner should avoid assuming that the problem is simply “phantom limb pain”. The person may also be dealing with trauma, depression, medical complications, body image distress, sexual identity issues, prosthetic adjustment, ongoing surgery, infection risk, pain medication, or social isolation.

Screening and Assessment Issues

There are several areas that should be considered before working directly with the phantom limb.

PTSD and Traumatic Limb Loss

Where limb loss followed a traumatic event, PTSD screening is important. If the person is highly traumatised by the event that caused the amputation, it may be necessary to address the traumatic response before attempting mirror work.

In some cases, once traumatic hyperarousal is reduced, some associated problems may reduce as well. Mirror work should not be used as a way to bypass unresolved trauma where trauma is the dominant presenting issue.

Medical Trauma

Medical trauma should also be considered. Some people are not only traumatised by the original illness or injury, but by the treatment required to save their life. Intensive care, emergency surgery, repeated procedures, invasive treatment, pain, disfigurement and loss of function can all be traumatic.

Clients may feel guilty or embarrassed about being traumatised by medical treatment, especially when the treatment saved their life. Practitioners should not dismiss this.

Organic and Reactive Depression

Depression is highly relevant in pain work. Depression can lower pain threshold, increase bodily preoccupation, and intensify the person’s awareness of discomfort, pain, itching, pressure and other sensations.

The practitioner should distinguish between long-standing depression, reactive depression following limb loss, and depression that may be part of a wider pain complex. Where appropriate, referral to a suitably qualified medical professional should be considered.

Body Dysmorphia, Dysphoria and Identity Change

Limb loss, disfigurement and major bodily change can alter a person’s identity. This is not merely a cosmetic issue. The person may now be stared at, avoided, pitied, photographed, mocked, over-helped or treated as permanently different.

False reassurance is often unhelpful. It may be better to acknowledge that the world can be difficult, intrusive and ugly for people whose bodies have visibly changed. The practitioner should side with the client’s reality rather than insist that everything will be fine.

Secondary Conditions and Wider Health Issues

The client may also have ongoing medical needs, infections, wound issues, bone pain, vascular disease, diabetes, neurological problems, medication side effects, prosthetic difficulties, sleep disturbance, sexual difficulties or further surgery pending.

These factors may affect whether Mirror Visual Feedback is appropriate, when it should be used, and what other professionals need to be involved.

Phantom Limb Pain, Stump Pain and Nerve Pain

Not every person with limb loss and pain has phantom limb pain. One of the major assessment errors is assuming that all pain following amputation is phantom pain.

Several different pain sources may be present:

• Phantom limb pain: pain experienced as coming from the missing limb or missing part.
• Stump pain: pain arising from the remaining tissue, scar, skin, muscle, wound site or local structures.
• Neuroma pain: pain arising from nerve endings in the stump that may generate painful signals.
• Bone pain: pain associated with the cut bone, healing, surgical history or later complications.
• Mixed pain: a combination of phantom pain, stump pain, nerve pain and other medical factors.

Mirror Visual Feedback is most relevant when the phantom limb image itself is implicated in the pain. If the pain is primarily from neuroma, bone, infection, wound breakdown or stump pathology, mirror work may not address the main problem.

Many clients have more than one kind of pain. This requires careful assessment and, where necessary, medical collaboration.

Sensory Remapping

Sensory remapping is one of the most important assessment phenomena in phantom limb work.

In the sensory and motor maps of the brain, neighbouring body areas are represented close to one another. Following limb loss, the brain area that previously processed sensation from the missing limb may begin responding to stimulation from nearby mapped areas.

For upper limb amputees, parts of the missing hand or arm may remap onto areas of the face, neck or shoulder. A person may feel sensation in the phantom hand when shaving, touching the face, scratching the neck or brushing the shoulder.

For lower limb amputees, parts of the foot may remap towards genital areas. This can produce unusual and sometimes embarrassing experiences, including phantom foot sensations during sexual arousal or orgasm. Practitioners should be able to discuss this plainly and respectfully.

How Remapping May Be Tested

Remapping can be explored gently using distinct sensory stimuli, such as a soft brush, cotton bud, cold stimulus or other carefully controlled touch. The aim is to discover whether touching one part of the body produces a corresponding sensation in the phantom.

Where remapping has occurred, Mirror Visual Feedback is often more likely to be useful. It is not a guarantee, but it is a positive indicator.

Assessing the Phantom Image

The practitioner should ask the client to describe the phantom. This may include:

• where the phantom appears to be located;
• whether it feels anatomically normal or distorted;
• whether it is painful, numb, twisted, contracted or damaged;
• whether it feels like the original limb or the traumatised limb;
• whether it can move voluntarily;
• whether it moves spontaneously;
• whether it is fixed, frozen or locked;
• whether it is shorter, longer, telescoped or displaced.

Some phantoms are experienced in a natural position. Others are experienced as twisted, contracted, trapped, damaged, or still fixed in the position of injury. A person may experience the phantom hand as clenched, the arm as bent behind the back, or the leg as positioned through the floor.

If the phantom is not in a position that can be matched by the reflected healthy limb, the practitioner may need to work first with the phantom’s position before mirror work can be useful.

When Mirror Box Work Is More Likely to Help

Mirror Visual Feedback is more likely to be helpful when:

• the pain is clearly experienced in the phantom limb;
• the person can see well enough to absorb the visual illusion;
• the reflected image can convincingly match the phantom position;
• sensory remapping is present;
• the phantom has some mobility or can respond to the illusion;
• the person can settle into fascination and exploration;
• the setup is not rushed or over-medicalised;
• the practitioner does not interrupt the experience unnecessarily.

Upper limb cases often respond better than lower limb cases. Below-knee amputations may be easier to work with than above-knee amputations. However, these are probability indicators, not fixed rules.

Creating a Convincing Illusion

The illusion must be as complete as possible. Details matter.

For hand and arm work, the client’s existing hand is positioned so that its reflection appears where the missing hand would be. For leg work, a full-length mirror may be required, and the setup must be physically safe, stable and properly supported.

Practical details may include:

• removing or matching rings;
• removing watches;
• covering tattoos where they disrupt the illusion;
• using long sleeves where appropriate;
• starting with shoes on or shoes off depending on the case;
• ensuring the mirror is stable and safe;
• avoiding distracting differences between the reflected limb and the phantom limb.

The practitioner should not draw excessive attention to these details. The aim is to quietly improve the illusion without making the client overanalyse the setup.

Stages of a Mirror Visual Feedback Session

A Mirror Visual Feedback session may move through several broad stages.

1. Expectation and Anticipation

Many clients arrive with strong expectations. They may see the mirror box as a last hope, another medical procedure, a prescribed exercise, or something that has already failed.

It can be helpful to reduce expectations rather than increase them. The practitioner should avoid promising results, building hope artificially, or asking “is it working?” every few seconds. The client needs space to discover what happens.

2. Absorption into the Illusion

Once the mirror is positioned, the client may begin looking at the reflection. At some point, the brain may accept the reflection as the missing limb. This moment can be subtle or dramatic.

The practitioner’s role is to stay quiet and not interfere. Interruptions, reassurance, questions, tissues, excessive concern, or clinical note-taking can break the illusion and interfere with the process.

3. Emotional Reunion

Some clients experience a powerful emotional response when they “see” the missing limb again. They may talk to it, greet it, laugh, cry, become quiet, or become absorbed in the experience.

This is not necessarily distress. It may be release, recognition, grief, fascination, nostalgia, shock or relief. The practitioner should allow the client’s process to unfold without trying to manage every expression.

4. Abreactional or Memory-Based Responses

Where the limb loss was traumatic, the mirror illusion may stir memory, grief, shock or trauma-linked material. This does not automatically mean the process is going wrong.

The practitioner should remain calm and avoid prematurely interrupting. If the client becomes overwhelmed or unsafe, appropriate clinical containment and safeguarding judgement are required.

5. Fascination and Exploration

The longest and most important phase may be quiet fascination. The client may explore movement, position, gesture, opening and closing the hand, moving the fingers, flexing the wrist, or watching the reflected limb as though rediscovering it.

This phase should not be rushed. It is often where the therapeutic value of the experience develops.

6. After-Effects

After a session, some clients may feel deeply tired and may sleep heavily. Vivid dreams, emotional processing, or temporary disturbance may occur. This should be explained without alarm. If adverse effects persist or intensify, the practitioner should respond appropriately and consider medical or specialist referral.

Telescoping and Longer-Term Change

With repeated Mirror Visual Feedback, the phantom limb may telescope. This means the perceived limb shortens over time. For example, a phantom arm may gradually shorten until the phantom hand feels closer to the shoulder.

Telescoping does not necessarily happen in every case. It may require repeated use, and in some cases the phantom may appear to lengthen again if the mirror work is stopped early.

Once a person has discovered that mirror work reliably changes the phantom experience, they may be able to use it as a self-management tool when phantom limb pain arises.

Wider Applications and Cautions

Stroke and CVA

Mirror-based approaches may also have relevance in some neurological rehabilitation contexts, including stroke and contracture-related problems. However, this should be approached with appropriate neurological knowledge and clinical caution.

Prosthetics

Practitioners should consider the client’s relationship with prosthetics. Some people use functional prosthetics that do not resemble natural limbs. Others may be concerned about how changes in the phantom could affect prosthetic use or future treatment possibilities.

The available evidence and clinical opinion may not answer every long-term question. Where there is uncertainty, it should be discussed with the client and, where appropriate, with specialist prosthetic or rehabilitation clinicians.

Bilateral Amputation

Mirror Visual Feedback depends on using the reflection of an existing limb to create the illusion of the missing limb. In bilateral amputation, this becomes much more difficult or impossible using the standard mirror box approach.

Other strategies may be required, and practitioners should not assume that simply asking the client to imagine the missing limb will produce the same effect. Visualisation and mirror feedback are different processes.

Phantom Breast and Other Body Parts

Phantom phenomena can occur in body parts other than limbs. However, mirror box work is primarily suited to limbs because of the way the mirror illusion can be created. Phantom breast pain, post-mastectomy phenomena and other body-part phantoms may require different approaches and specialist consultation.

Good Vision Is Required

Mirror Visual Feedback is a visual feedback process. The person must be able to see the reflection clearly enough to absorb the illusion. This is especially relevant in war injury, traumatic injury or neurological cases where visual damage may also be present.

Using IEMT Alongside Phantom Limb Work

IEMT may be useful around the traumatic events, memories, medical procedures, shame, fear, grief, identity disturbance, and pain-related meanings connected to limb loss.

However, when working with pain, the practitioner should avoid adopting the wrong paradigm. The goal is not simply to chase anaesthesia or demand that the pain disappears. The work concerns the cognitive, emotional, representational and autobiographical structures through which the person experiences the pain.

Where trauma, depression, panic, medical trauma, or unresolved memories are dominant, IEMT work may be more appropriate before, alongside, or instead of direct mirror work.

Common Practitioner Errors

• assuming all post-amputation pain is phantom limb pain;
• ignoring stump pain, neuroma pain, bone pain or medical complications;
• failing to screen for PTSD or medical trauma;
• rushing into the mirror box before assessment is complete;
• building excessive hope or expectation;
• asking repeatedly whether the technique is working;
• interrupting the client’s absorption into the illusion;
• turning the process into a medicalised dose-response exercise;
• failing to create a convincing visual match;
• using unsafe mirror setups, especially with full-length mirrors;
• assuming visualisation is equivalent to mirror feedback;
• working outside competence with complex medical or neurological cases.

Clinical and Ethical Caution

Practitioners should work within their competence and scope of practice. Phantom limb pain sits at the intersection of neurology, surgery, rehabilitation, pain medicine, trauma, identity, body image and psychological adaptation.

Where there are unresolved medical issues, severe depression, active PTSD, infection, surgical complications, psychosis, dissociation, suicidality, safeguarding concerns, or complex neurological signs, appropriate referral or collaboration is required.

Mirror Visual Feedback can be powerful, but it should not be oversold. A failed or badly handled attempt may reinforce the client’s belief that nothing can help them.

Summary for Practitioners

Mirror Visual Feedback is simple in equipment but complex in application. The practitioner must assess carefully, distinguish phantom pain from other pain sources, consider trauma and depression, explore sensory remapping, understand the phantom image, and create a convincing visual illusion.

The most important practitioner skill is often restraint. Once the client is absorbed in the mirror illusion, the practitioner should avoid unnecessary interruption and allow the experience to unfold.

The accompanying video expands on these points and gives further detail on assessment, sensory remapping, phantom positioning, clinical pitfalls, emotional responses, telescoping, prosthetics, stroke-related applications and the careful use of IEMT alongside phantom limb work.