Behind the infant fUSION headcap and its development team
The project, called the fUSiON (Fast UltraSound Imaging with Optics in the Newborn) Study, is led by the neoLAB team at the Evelyn Perinatal Imaging Centre, Cambridge University Hospitals NHS Foundation Trust, alongside collaborators at University College London and the Physics for Medicine Group in Paris.
The head cap, which resembles an infant sized swimming cap, integrates two advanced sensing technologies:
- High-density diffuse optical tomography (HD-DOT): arrays of light sensors capturing changes in oxygenation across the brain’s surface.
- Functional ultrasound (fUS): ultrasound sensors capturing micro-vascular flows deep within the brain.
Professor Topun Austin explains: “The fUSiON Study aims to develop and demonstrate a system for the cot-side assessment of brain activity in newborn infants and is currently the first of its kind in the world.” Dr Alexis Joannides added: “The neonatal cap has potential to transform the way we diagnose, monitor, and understand brain injury in newborn babies."
Their team has already proven the concept in healthy and premature infants and is now moving into phase two focusing on high‐risk babies. “We have spent 12 months successfully proving the concept … and will now move on to the second phase, which focuses on those babies considered to be at higher risk of brain damage,” Professor Austin noted.
This wearable is not just another piece of equipment—it is designed for bedside use in neonatal units, requiring no sedation, no MRI transport, and repeatable scans. That design makes it exceptionally promising for earlier screening and cerebral palsy treatment planning.
Changing cerebral palsy diagnosis
Today’s pathway to diagnosing cerebral palsy typically begins with structural imaging—cranial ultrasound (CUS) in neonatal intensive care units and magnetic resonance imaging (MRI). These scans detect structural damage but don't always show how the brain functions. Many children are not formally diagnosed with CP until 18–24 months when motor delays or abnormal movements become evident.
Clinical assessments (movement patterns, tone, reflexes, developmental milestones) form the backbone of diagnosis, but they necessarily wait until behavior emerges. That delay limits early therapy and ideal windows of neuroplasticity. As the Cambridge team notes, “structural brain imaging … is limited in its ability to predict the extent or nature of injury and any future impairment.”
Because cerebral palsy treatment is far more effective the earlier it begins, parents and clinicians alike seek tools that detect functional brain changes, not just structural anomalies.
Better CP screening and early detection
The new fUSION head‐cap offers a potential shift from “wait and observe” toward early functional screening. By capturing both surface and deep brain activity at crib-side, clinicians can identify infants at risk of cerebral palsy sooner. Professor Austin emphasises: “Understanding and looking at brain activity patterns in both term and preterm infants can help us identify infants most vulnerable to injury at an early stage.”
Key benefits include:
- Portability and simplicity: Fits like a swimming-cap, usable in neonatal units.
- Repeat scans: Unlike MRI, the headcap can be reused to map changes over hours or days.
- Functional insights: Measures brain activity and perfusion, not just structure.
- Early referral triggers: Babies flagged by the system may enter cerebral palsy treatment pathways earlier.
For parents, this means the chance of an earlier cerebral palsy diagnosis and earlier access to interventions when the brain remains most adaptive.
Who could benefit most from the fUSION?
The headcap is especially promising for newborns identified as high risk: premature infants, those who suffered perinatal hypoxia, had neonatal seizures, or delayed early brain scans. Infants whose structural scanning is inconclusive yet show risk factors may receive functional scans and immediate monitoring.
The Cambridge team states the device is designed for “newborn infants—including term and preterm—at the cot side.” Although cerebral palsy often presents after the neonatal period, early monitoring can enable earlier cerebral palsy treatment. Therefore, families whose infants faced delivery complications or neonatal interventions may particularly benefit from asking about functional brain scanning technologies.
Early detection benefits for cerebral palsy treatment
Detecting cerebral palsy risk earlier opens a window of opportunity. Starting therapy during the brain’s period of highest plasticity (in the first months of life) increases the likelihood of neural reorganisation and better motor outcomes. Earlier referral to physical therapy, occupational therapy, and specialised motor-learning programs becomes feasible.
Secondary musculoskeletal problems—hip dysplasia, contractures, scoliosis—are less likely if motor circuits engage earlier. For families, obtaining clearer early data means more informed planning and access to therapy equipment, community supports, and adaptive tools sooner. A system that flags risk early enables the shift to “intervention now” rather than “monitor and wait.”
In short, earlier detection of cerebral palsy means earlier treatment and potentially improved long-term function and participation.
A shift in the treatment of cerebral palsy?
If the fUSION headcap proves clinically effective and cost-effective, the standard of cerebral palsy treatment may evolve. Neonatal units may adopt functional brain scanning as routine for high‐risk infants, prompting earlier referral and initiation of cerebral palsy treatment. Rehabilitation services may integrate brain-activity data into therapy planning—matching interventions to specific brain activity profiles. Interventions might scale earlier: from infancy rather than toddlerhood.
Experts estimate broader clinical roll-out within 3–5 years, assuming continued success and regulatory approval. This change could reduce the reliance on later, more intensive therapies, enabling children to begin cerebral palsy treatment earlier—optimising outcomes and quality of life from a younger age.
This all represents a promising leap forward in cerebral palsy treatment. By bringing functional brain monitoring to the crib-side, it offers the possibility of earlier detection, earlier intervention, and more tailored treatment. For parents navigating birth injury symptoms, diagnosis uncertainty, or early risk signs, this innovation offers hope that cerebral palsy treatment may become more proactive.
While not yet standard care, the developments underscore that the future of cerebral palsy treatment is shifting—and earlier, targeted intervention may make a meaningful difference.
Sources:
Cambridge University Hospitals. Cutting-edge baby brain scan technology is world first. (November 7, 2025). Retrieved from https://www.cuh.nhs.uk/news/cutting-edge-baby-brain-scan-technology-is-world-first/
Machin, J. How a ’swimming cap’ could transform care for brain-injured babies. BBC. (November 7, 2025). Retrieved from https://www.bbc.com/news/articles/cly42gvrq2ko
