Using virtual reality to simulate speaking situations for therapy
For people who stutter, the gap between the clinic room and a noisy café in Melbourne can feel enormous. Speech pathologists have long used role-play, scripted hierarchies, and gentle encouragement to bridge that gap, but the leap from rehearsed sentences in a quiet office to ordering a flat white in Sydney's CBD while a queue grows behind you is rarely captured by imagination alone. Virtual reality offers clinicians a way to narrow that distance, letting clients practise feared speaking situations inside an immersive simulation before stepping into the real thing.
Australia's geography makes this question particularly relevant. With speech pathology services concentrated in capital cities like Melbourne, Sydney, Brisbane, and Perth, and a thin spread of clinicians across the bush, many clients in rural Queensland, the wheat belt of Western Australia, or the pastoral regions of South Australia travel hours for a single session. Any tool that compresses exposure practice into repeatable, controllable minutes is worth a serious look, especially when paired with the country's growing interest in digital and remote models of care.
How VR-based exposure works in stuttering therapy
VR-based exposure uses a head-mounted display or even a smartphone-based headset to place the client inside a computer-generated scene. Common scenarios include ordering at a café, making a phone call to Centrelink, asking a question in a lecture theatre at the University of Sydney, or speaking up during a team meeting in a Brisbane corporate tower. The clinician controls the difficulty in real time, adding background noise, increasing the number of avatars, or introducing a stern shopkeeper who interrupts.
The therapeutic rationale draws on the same principles as traditional exposure therapy for anxiety, but with extra precision. Clinicians can script hierarchies, adjust the social pressure, and repeat the exact same scenario across sessions to measure change. For people whose stuttering fluctuates with context, the ability to gather ecologically valid data, such as the number of syllables stuttered in a simulated job interview versus a simulated phone call, is a quiet but powerful shift from memory-based reporting.
A small but growing number of Australian speech pathologists have begun experimenting with off-the-shelf platforms, custom-built Unity applications, and even social VR environments to simulate group conversations. The technical barrier has dropped sharply since the early 2020s, with consumer headsets from Meta, Pico, and Apple now bundled with eye tracking and pass-through cameras that can blend virtual characters with real-world room layouts.
Comparing VR with traditional exposure approaches
Before adopting any new modality, clinicians usually weigh it against what they already do. The table below sketches a side-by-side comparison of three ways to rehearse feared speaking situations: VR-based exposure, in-vivo role-play with a clinician or trained confederate, and imaginal or scripted practice done in the clinic.
| Dimension | VR exposure | In-vivo role-play | Imaginal or scripted practice |
|---|---|---|---|
| Scene fidelity | High; realistic noise, lighting, avatars | Moderate; depends on clinician skill and venue | Low; depends on visualisation |
| Repeatability | Excellent; identical scenes across sessions | Variable; confederates vary in behaviour | Excellent; always available |
| Cost over 12 months | Moderate; hardware plus software licence | Low to moderate; staff time | Very low; minimal resources |
| Suitability for rural clients | Strong; headset can be posted or used in hub | Limited; requires travel or local staff | Strong; can be done anywhere |
| Measurability of stuttering events | Precise; audio and motion data captured | Moderate; manual tallying common | Limited; subjective reporting |
None of these approaches is universally superior. VR shines when the goal is graduated exposure to specific high-anxiety contexts, such as presenting at an industry conference or speaking on the phone to a government department. In-vivo role-play remains the gold standard for generalising skills to unpredictable human behaviour, while imaginal practice is often the fallback when resources are tight or the client is not yet comfortable with technology.
Evidence from recent clinical trials
The published evidence base is still young but expanding. A handful of randomised trials in the United States, Iran, and the United Kingdom have compared VR exposure with traditional cognitive-behavioural approaches for adults who stutter, generally finding comparable reductions in avoidance and small-to-moderate improvements in self-reported speech satisfaction. Effect sizes on objective stuttering frequency have been more mixed, which is unsurprising given how variable the technology has been across studies.
Australian contributions are beginning to appear through conference presentations at Speech Pathology Australia and pilot studies at universities such as La Trobe, Flinders, and the University of Queensland. Clinicians involved in these pilots often report that the biggest gains show up not in the stuttering counts themselves but in the willingness to enter difficult situations. One Melbourne-based pilot reportedly tracked a client who went from avoiding all phone calls to confidently calling a local tradesperson after six VR-simulated calls spread across three weeks.
There is also a small body of work suggesting that VR may help adolescents who stutter, a group notoriously hard to engage in traditional exposure hierarchies. Adolescents tend to respond well to gamified environments, and the novelty of headset use can lower the resistance that often accompanies repeated drills. Researchers caution, however, that headsets must be age-fitted, sessions kept short, and cybersickness monitored carefully in younger users.
Practicalities for clinicians in Australia
Speech pathologists in Australia who want to trial VR face a few practical decisions. The first is hardware. Consumer headsets such as the Meta Quest 3 or the Pico 4 are widely available through Australian retailers and run standalone, which means no tethered computer is required. Higher-end devices such as the Apple Vision Pro remain niche due to price, but they may suit clinic-based settings where fidelity matters more than portability.
The second decision is software. Off-the-shelf therapeutic platforms exist, but several Australian research groups have built their own scenarios using Unity, with assets tailored to local environments, including a Sydney bus stop, a Melbourne tram, and a Perth mining site induction room. Custom builds cost more up front, but they let clinicians match scenarios to the real contexts their clients actually face, which can be the difference between a useful rehearsal and a generic video game.
Clinical governance matters too. Clinicians should treat VR sessions as part of a documented therapy plan, with clear goals, hierarchies, and outcome measures that align with the standards set by Speech Pathology Australia. Consent forms should mention motion sickness, eye strain, and the possibility of triggering anxiety when simulations become too vivid. For clients with a history of vestibular issues, epilepsy, or significant trauma, lower-fidelity options or supervised in-vivo work may be safer starting points.
Funding, access, and rural reach
Funding is often the deciding factor. VR hardware is not currently subsidised under Medicare's Chronic Disease Management items, and the National Disability Insurance Scheme has been cautious about funding headsets as assistive technology unless they are clearly tied to a documented functional goal. Some private health insurers cover therapy sessions that include technology-based modalities, but coverage varies and pre-approval is usually required.
That said, the cost case is improving. A mid-range headset priced in Australia around $700 to $1,200 can serve dozens of clients over several years, which works out to a small per-session cost when amortised. Some rural and remote services, such as those operating through the Royal Flying Doctor Service or state-funded outreach programs in Queensland and Western Australia, have begun loaning headsets to clients who would otherwise have no access to exposure practice at all.
Telehealth-compatible VR is the next frontier. Australian start-ups are exploring lightweight headsets that stream clinician-led sessions over the National Broadband Network, reaching most homes in regional towns like Dubbo, Broome, or Mount Gambier. When paired with structured teletherapy programs used by many country practices, this model could let a speech pathologist in Adelaide supervise exposure work with a client in the Pilbara, with both parties sharing the same virtual scene.
Pairing VR with mindfulness and other supports
VR rarely works in isolation. Outcomes tend to improve when immersive exposure is combined with cognitive work on unhelpful thoughts and attentional training. Many Australian clinicians already use mindfulness-based approaches to help clients notice the urge to escape a speaking situation and to tolerate the discomfort that follows a stuttered moment. These techniques translate naturally into a VR context, where the clinician can pause the scene and guide a brief breathing exercise before the client re-enters the simulation.
Mindfulness practice also helps with the aftercare of difficult sessions. Clients who rehearse a high-anxiety situation in VR often experience a spike in self-conscious emotion afterwards, and a short mindfulness routine can help them consolidate the learning rather than ruminating about perceived failures. Readers interested in how mindfulness complements stuttering work more broadly can explore the journal's overview of mindfulness-based stuttering approaches, which outlines several techniques that pair well with VR hierarchies.
For clinics building a full program, a reasonable sequencing might look like: psychoeducation and goal-setting, low-fidelity imaginal practice, graduated VR exposure, real-world generalisation, and ongoing maintenance. Mindfulness, family education, and where appropriate, support groups such as those run by the Australian Speak Easy Association, can sit alongside this sequence at every stage. The technology is best understood as an amplifier of good clinical reasoning, rather than a replacement for it.
A few practical recommendations for clinicians and services starting out:
- Begin with a clearly defined clinical goal, such as reducing avoidance of phone calls or increasing participation in workplace meetings, and choose VR scenarios that map directly onto that goal.
- Start with a mid-range standalone headset and a small library of three or four well-built scenarios before committing to a custom build.
- Build VR exposure into a broader program that includes mindfulness, cognitive work, and in-vivo generalisation, rather than treating it as a standalone intervention.
- Negotiate funding early, drawing on NDIS, private health, or internal service budgets, and document outcomes carefully to support future applications.
- Monitor for cybersickness, anxiety spikes, and fatigue, especially in adolescents and in clients with vestibular or trauma histories.
If you are a speech pathologist, researcher, or person who stutters with experience of VR-based exposure, JSTAR welcomes your submissions for upcoming quarterly issues. Clinical ideas, pilot data, and consumer perspectives all help shape how the field adopts these tools responsibly. Browse the journal's archive of downloadable PDFs, subscribe to the podcast, and consider sharing what you have learned so that Australian clinicians and their clients can make informed choices about immersive practice.