In some embodiments, a motion detection and correction system and/or device for tracking and compensating for patient motion during a medical imaging scan can be adapted to be integrated into a medical imaging scanner, such as an MRI scanner, or be adapted to retrofit a pre-existing medical imaging scanner. In certain embodiments, the motion detection system and/or device can comprise one or more mounting brackets and a motion correction device housing, which can further comprise one or more detector modules and a power unit. In further embodiments, the collected motion data can be further analyzed by an image processing unit of the motion tracking and/or correction system.