Karting Game in Unity with Bio Signal Recording

• Chris Christou

• August, 2024

Used a Unity karting game tutorial and added bio-signal recording (Electrocardiogram, Heart Rate and Electrodermal Activity). Hardware for bio-signals was the BIOPAC MP150. Communication with the MP150 was implemented using the Revia Assets for AcqKnowledge (https://www.biopac.com/product/vr-unity-interface/).

The recording begins with a trigger event at the start and ends when they pass the final checkpoint. Hitting a skittle sends an event marker to the MP150. Data is collected and saved to a CSV file. This is just a demo project to show the BIOPAC in use with Unity

ECG was recorded with two disposable skin contact electrodes placed on the torso. EDA was recorded with two electrodes placed on the palm of the hand. EDA is also refered to as Electrodermal Response (EDR) and is used to measure stress, arousal, emotional excitement, and to provide physiological biofeedback. All useful for assessing games and other apps.