EEG data from 10 autistic and 10 non-autistic individuals who performed a pseudoword reverse spelling task using a BCI speller. Details about the dataset: Groups:S - Non-autisticP - Autistic Each word of each participant has 2 matrixes: eeg_word (with the eeg data values) and eeg_events (with the protocol/events). eeg_word: channels x time, srate = 256 Hz Channels (rows):1. FPz2. Fz3. FC14. FCz5. FC26. C37. Cz8. C49. CPz10. P311. Pz12. P413. PO714. POz15. PO816. Oz eeg_events: c: control word5: 5-letter word7: 7-letter word cue: Instructionimag: Encodingblink: BCI letters start blinkingblink_stop: BCI letters stop blinkingCorr: Correct letter detectedErr_syst: System error (letter)Err_part: Participant error (letter)finalWord_corr: Outcome word (correct)finalWord_errS: Outcome word with system errorsfinalWord_errP: Outcome word with participant errorsfinalWord_errPS: Outcome word with system and participant errors