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| Study (year) | Signals/EEG-based paradigms | Sample | Measure (test) | Tested Variables | Patients’ training required (yes/no) |
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| Iversen & coll. (2008a) | SCPs | 2 late-stage ALS patients | Delayed matching-to-sample task | Accuracy (% of correct responses) | Yes |
| Iversen & coll. (2008b) | SCPs | 1 late-stage ALS patient | Conditional-associative learning task | Accuracy (% of correct responses) | Yes |
| Perego & coll. (2011) | SSVEP | 19 healthy subjects | RCPM, CFIT | Total scores and total execution time for tests; total moves and bit-rate for BCI performance | Yes |
| Perego & coll. (2011) | SSVEP | 26 patients with different neurological diseases (cerebral palsy, dystrophies and paresis) | RCPM | Total scores and total execution time for tests; bit-rate for BCI performance | Yes |
| Cipresso & coll. (2012) | P300 ERP | 8 healthy subjects | Phonemic and Semantic VF test (modified version); psychological and usability questionnaire | BCI classification accuracy; execution time and errors at VF test; questionnaires’ scores | No |
| Cipresso & coll. (2013) | P300 ERP | 8 healthy subjects and one ALS patient | Phonemic and Semantic Verbal Fluency test (modified version), psychological and usability questionnaire | BCI classification accuracy; execution time and errors at VF test; questionnaires’ scores | No |
| Li & coll. (2015) | SSVEP + P300 ERP | 11 brain-injured patients (6 VS, 3 MCS, 2 EMCS) | Number recognition, number comparison, mental calculation | Accuracy rate and number of trials for each test | No |
| Westergren & coll. (2016) | SSVEP | 11 healthy subjects | Four cognitive tests resembling WAIS test battery | BCI classification accuracy, ITR and tests’ score | No |
| Poletti & coll. (2016) | P300 ERP | 15 moderate-stage ALS patients and 15 healthy controls | Token Test, RCPM, d2 test, MCST | Tests’ total scores and execution times | No |
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