ALS Dancer Performs via Digital Avatar in Amsterdam Using Brainwave Tech

A New Form of Expression

Breanna Olson, a mother of three with Amyotrophic Lateral Sclerosis (ALS), performed at the OBA Theatre in Amsterdam in December 2025 using a brainwave-powered digital avatar. The event, part of the Waves of Will initiative, showcased how neurotechnology can enable individuals with motor-neurone diseases to engage in creative expression. Olson described the experience as exhilarating and magical, highlighting the emotional resonance of reconnecting with dance. While this is not confirmed as the first instance of an ALS patient using a mixed-reality avatar, the performance underscored the potential of such technologies to redefine participation for people with physical limitations.

The Technology Behind the Performance

The performance utilized an EEG headset developed by Dentsu Lab and NTT, translating brainwave activity into real-time movements for the avatar. The system captures motor signals from the brain, converting them into computer instructions to control the avatar. This technology allows users to interact with digital environments through neural activity, bridging the gap between mind and body. Olson’s ability to perform demonstrated how brain-computer interfaces (BCIs) can restore a sense of connection with audiences, offering new avenues for expression.

Broader Implications and Applications

The EEG headset relies on electroencephalography (EEG), a non-invasive method to measure brain activity. Dentsu Lab’s Naoki Tanaka emphasized the project’s goal of creating affordable brainwave interfaces with applications beyond entertainment, such as controlling wheelchairs or remote devices. NTT’s Mariko Nakamura noted potential uses for assistive technologies, including mobility aids. The collaboration between the companies reflects growing efforts to integrate neuroscience and digital media, aiming to expand access to neural interface systems.

Challenges and Future Outlook

ALS, a form of motor-neurone disease, involves the progressive degeneration of motor neurons, leading to muscle weakness and loss of motor function. Approximately 90–95% of cases are sporadic, while 5–10% are inherited. Mutations in the C9orf72 gene account for about 40% of familial ALS cases. The disease typically results in complete loss of motor function within 3–5 years, though survival times vary based on treatment access. Patients often face additional challenges, including speech, swallowing, and breathing difficulties, which can impact quality of life. Olson’s performance highlighted how technology can restore agency and creativity for individuals with ALS, enabling them to engage in activities previously hindered by physical limitations.

Expanding the Impact of Neural Interfaces

Case studies illustrate the broader implications of brainwave-powered avatars. A paralyzed stroke survivor used a brain-computer interface (BCI) implant to control an avatar’s jaw, lips, and emotional expressions, demonstrating applications beyond artistic performance. AI-driven avatars like VoxAI are already assisting 100 million people with speech-limiting conditions, offering a more natural alternative to text-to-speech systems. The collaboration between Dentsu Lab and NTT exemplifies how corporate innovation can drive medical advancements, combining expertise in neuroscience and digital media to develop accessible solutions.

Ongoing Challenges and Research

Despite its potential, the technology faces challenges. Current systems often require wired setups, and performance variability remains a concern. A study noted an ALS patient’s inability to achieve adequate control, underscoring the need for refinement. Prolonged use effects and implementation costs are additional hurdles. However, ongoing trials, such as a two-year study with 20 VoxAI users led by Tecnológico de Monterrey, are evaluating long-term impacts and planning simplified offline versions for broader access. Researchers stress the importance of collaboration between charities, tech firms, and universities to accelerate progress. As costs decline and accessibility improves, these technologies could become standard tools for individuals with motor-neurological conditions, reshaping assistive care and expanding opportunities for engagement.