Fig. 4: Overview of BCI use. | Nature Communications

Fig. 4: Overview of BCI use.

From: Spelling interface using intracortical signals in a completely locked-in patient enabled via auditory neurofeedback training

Fig. 4

a Number of characters spelled by the patient during speller sessions whose output was rated ‘intelligible’ (rating described in text), aggregated by day. b Characters selected per minute in ‘intelligible’ speller sessions, aggregated by day. c Speller use during the period presented. Sessions span 135 days. Green bars represent days on which speller was used and yielded intelligible output (44 days). Yellow bars represent days on which speller use was attempted, but no intelligible output was produced (63 days). On 28 days, speller use was not attempted (red). Source data are provided as a Source Data file.

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