Gyroscope

Definition: A gyroscope is a device that measures or maintains orientation and angular velocity (in rad/s). It consists of a spinning rotor that detects changes in angular velocity when the frame it is mounted on rotates. Gyroscopes can be used independently or integrated into inertial measurement units (IMUs). In fNIRS, gyroscopes are often used in combination with an accelerometer mounted at the optode level to track head motion (i.e., position and orientation) during data acquisition.

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References: https://doi.org/10.3390/s17102284

Related terms: Accelerometer, Inertial Measurement Unit (IMU), Motion Artifacts

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