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Table 1 Metrics used in the literature from January 2005 – January 2012 to report performance of communication-based BCIs

From: Performance assessment in brain-computer interface-based augmentative and alternative communication

Metrics reported Number of times reported Article references
Accuracy 38 [8, 2763]
Accuracy and information transfer rate (ITR) 16 [6, 7, 6477]
Information transfer rate (ITR) 7 [7884]
True and false positives 1 [85]
Accuracy and written symbol rate (WSR) 1 [86]
Accuracy and speed 1 [9]
Accuracy and mutual information 1 [11]
Accuracy and number of errors 1 [87]
Accuracy and selections per minute 1 [88]
Accuracy, bit rate, selections per minute, output characters per minute 1 [14]
Characters per minute 1 [89]
Accuracy, information transfer rate (ITR), NASA task load index, QUEST 2.0 1 [90]