Maximizing the value of wearables by the remote collection and analysis of raw 100 Hz data

01st, September 2023 | Bring Your Own Device, Wearable Technology

Unlocking Potential: Remote Data Transmission and Machine Learning in Motor Movement Analysis

The digital age has spurred innovation in many sectors, including clinical research. This study steps into the promising intersection of wearables, remote data transmission, and machine learning to understand motor movements in a novel, efficient manner, thereby broadening the potential applications of accelerometers beyond just tracking sleep and activity.

Key Highlights:

Objective:

Examine the feasibility of transmitting both raw and aggregated data remotely, sidestepping the need for a conventional clinical setting.

Leverage machine learning to identify patterns in this raw data, focusing on discerning specific motor movements, like scratching.

Methodology:

Two healthy participants, termed A and B, were equipped with an accelerometer and a SIM-enabled hub to facilitate uninterrupted data gathering.

Participant A wore the accelerometer for 24 hours, recording 27 scratching incidents lasting around 30 seconds each. In comparison, Participant B had the device on for 8 hours, noting 7 such scratching instances.

Results:

Both participants’ raw accelerometer data, captured at 100 Hz, was remotely channeled through the hub to the research admin platform, paving the way for subsequent analysis.

Using Participant A’s data as a foundation, a machine learning algorithm was crafted to pinpoint scratching events with 10-second precision. For Participant A, the model boasted an impressive sensitivity of 99% and specificity of 100%.

When this model was tested on Participant B’s data (which was new to the algorithm), the results remained robust, showing 99% sensitivity and 86% specificity.

Conclusions:

Wearable accelerometers are gaining traction in clinical research, presenting an objective metric to evaluate sleep patterns and physical activity via trusted algorithms.

Transmitting raw data directly from a patient’s residence is a groundbreaking approach that syncs well with remote and virtual clinical trials’ emerging landscape.

The preliminary findings underscore machine learning’s immense promise in crafting models that can accurately identify vital outcome measures tied to specific patient motor movements.

In a nutshell, the union of wearables, remote data transmission, and machine learning offers a transformative approach to understanding patient behaviors and symptoms, with the potential to revolutionize clinical trials and patient care.

Willie Muehlhausen

Ready to start your project now?

 

Request your free quote