Wireless Brain-Robot Interface: User Perception and Performance Assessment of Spinal Cord Injury Patients

Table 4

House-developed performance rating scale for brain-robot interface control, tailored to the needs of the use case of the current experiment.

Performance rating of brain-robot interface control based on ratio of desired to undesired detected & classified mental commands
Score	Rating	Description of rating
5	Excellent	Arms were moving towards desired direction for most of the time
4	Very Good	5+ commands were detected, minimal undesired commands
3	Good	4+ commands were detected, only 2-3 undesired commands
2	Average	3+ commands were detected, but also up to +3 undesired commands
1	Minimal	1-2 commands were detected or 3-4 including undesired commands or many commands were detected but most were undesired
0	No control	No command or only undesired commands were detected