Table 1.

Search strategy for PubMed

No	Search terms
1	brain computer interface.ti, mesh.
2	direct neural interface.ti, ab.
3	neurofeedback.ti, ab.
4	brain-machine interface.ti, ab.
5	or 1–4
6	post-stroke. ti, ab.
7	after stroke. ti, ab.
8	or 6–7
9	motor disorders. ti, mesh.
10	dyskinesias. ti, ab.
11	or 9–10
12	randomised controlled trial.pt.
13	Controlled clinical trial.pt.
14	randomised.ab.
15	Randomly.ab.
16	trial.ab.
17	or 12–16
18	exp animals/not humans.sh.
19	17 not 18
20	5 and 8and 10and 19