Application of Smartphones/Smartwatches in Diagnosis and Treatment Monitoring of Essential Tremor

Principal Investigator: Prof. Gregor Kuhlenbäumer, Kiel University, Germany

The analysis and quantification of tremor is achieved by using a tremor measuring device called an accelerometer. However, accelerometry is not widely available and only a few centers have them available. Modern smartphones and smartwatches usually contain 3 sensors which might be suitable to analyzed tremor: (1) a three axes accelerometer, (2) a three axis gyroscope, (3) a three-axes magnetometer, each measuring in three axes. The data from these sensors can be used to aid the correct diagnosis of tremor disorders and to monitor tremor treatment.

The aim of this proposal is to test a variety of smartphones/smartwatches, to see if they can accurately measure tremor in ET patients and assist in their treatment. Smartphones are available to most people and could provide short-term tremor measurements. Smartwatches could be used for long-term tremor measurement. It is well known that tremor intensity fluctuates from day to day and during the day. Therefore, accurate self-monitoring of tremor might be helpful to physicians assessing treatment options and effects.