Related Links

Nature: Scientific Reports publication

Dizziness Trial on

Healthy Volunteer Trial on

The CAVA Team

 Mr John Phillips

 Principal Investigator


Tel: +44 (0)1603 593054

Location:BIO 2.17

 Professor Stephen Cox

 Co-Principal Investigator



Tel: +44 (0)1603 593054

Location: BIO 2.17


 Dr Jacob Newman

 Senior Research Associate



Tel: +44 (0)1603 593054

Location: BIO 2.17

Contact Us


T: 01603 593054

CAVA Office (BIO 2.17)

School of Computing Sciences

University of East Anglia

Norwich Research Park



This project is funded by the Medical Research Council

About the CAVA Project

early prototypeIn England and Wales, 8 out of every 1,000 patients are likely to consult their GP complaining of dizziness every year. Dizziness is the most common reason for a doctor to visit a patient over the age of 75 years old, and one-third of adults over the age of 65 years experiences at least one fall each year. This is particularly important as the cost of falls to the NHS and social services in people over 60 years old in 1999 was £981 million.

However, we are currently significantly restricted with respect to what specialist tests are available for assessing patients with dizziness, because there are no tests available to evaluate a patient during an actual dizziness attack in the community. This leads to repeated and expensive hospital visits before a diagnosis can be made. The US National Institutes of Health reports that the average number of doctors that a patient with dizziness visits before receiving a correct diagnosis is 4.5. The CAVA project aims to overcome these limitations of the current tests by developing a dizziness monitor from which an accurate diagnosis can be made.

Long before the MRC grant was awarded, initial proof of concept prototypes were developed by Mr John Phillips and Professor Stephen Cox, at the University of East Anglia. The prototypes proved that the concept was viable and the results from that preliminary work formed the basis of a successful MRC grant application.

Continuing from that early work, the aim of this grant is to develop a bespoke device that is lightweight, durable, and able to be worn day and night. The project also requires the development of specialist computer software to analyse the data produced by the CAVA device. Once fully developed and tested in clinical studies, it is hoped that our device will be made available at the point of initial referral to a doctor or nurse to avoid delay in diagnosis and ensure cost-effective use of appropriate resources.

fully functional medical prototype

Working with a design agency (Wright Design Limited), we have successfully designed, developed and produced a fully functional medical prototype device for appraising dizziness. The device comprises a logging module which sits behind the left ear, and two single-use electrode mounts which attach to each side of the face. The device is small, lightweight, durable, easy to apply and requires minimal user intervention during operation.

john with device