Table 2 Characteristics of the tested systems
EOG | Eye Tracker | BCI | |
|---|---|---|---|
Allows communication independent of the caregiver | yes | yes | yes |
Enables muscle-independent communication | no | no | yes |
Speed of communication | medium | fastest | slowest |
Commercially available | |||
• Hardware | yes | yes | yes |
• AT software and support | no | yes | no |
Costs | medium | lowest | highest |
Burden on the caregiver | medium | lowest | highest |
Applications | communication | communication | communication (binary) |