Table 3 Post-trial (including long-term) follow-up: synthesis of the personal statements resulting from the correspondence (by telephone/mail/e-mail) done with each patient participant to our study
Patient initials (changed by convention) | Did you feel any discomfort during and/or immediately/long time (the next about 6 and 12 months, respectively, following the initial trial) after the experiments? | Did you feel you were controlling the BCI/BMI system? | |
|---|---|---|---|
The cursor | The robotic arm | ||
XE | No | Yes, very much so | Yes, I felt I was controlling it very well |
HD | No | No, didn’t have the feeling of control | — |
XY | No | Yes, most of the time, with maximum concentration | The feeling of control was the same as with the cursor, but after 2–3 h of trial my concentration decreased |
VZ | I had a headache, persisting the day after | — | — |
CU | No | Yes, I had the feeling of control | — |
YX | I was a bit tired immediately after the trial | Yes, I had a strong feeling of control; although I was able to concentrate, I was feeling tired at the end of the experiment and needed the intermittent bladder catheterization | — |
QM | No | Yes | Yes, but a bit less than with the cursor |
DZ | No | Yes, it was a great feeling to virtually move the legs and the arms | — |
OK | I was a bit tired and sleepy immediately after the trial | Yes | — |