EEG data for P300 speller

These EEG signals were recorded during a P300 speller paradigm.
Number of subjects: 10
Number of channels: 19
Number of sessions/subject:4

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Each session has duration of 10 minutes, and is consisted of 14 runs (14 characters).
After each run, there was a pause of 3s, and during this time the matrix was blank.

•    The first session consisted of a series of separated characters, ordered in the following sequence:
ض – س – ق – ل – ع – ن – ح – م – أ – ت – و – ر – ب – ه) )
•    The second session also consisted of a series of separated characters, ordered in the following sequence:
ذ – خ – ص – ي – د – ث – ف – غ – ج – ظ – ك – ش – ز – ط ) )
•    The third session consisted of short words:
طب - قف - عن - يد - كتب – لغة ) )
•    The fourth session consisted of one long word:
فأستسقيناكموها ) )

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EEG signals were performed at MAZLOUM hospital, Tripoli, Lebanon.