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Prototypes and test samples generated by two sentences. (Upper) The averaged, filtered brain waves for the sentence The capital of Italy is Paris. The solid curved line is the prototype, and the dotted line is the test sample. (Lower) The corresponding brain waves for the sentence The largest city of Austria is not Warsaw. Both halves were from the bipolar pair of sensors C4–T6. The x axis is measured in ms after the onset of the first word of the sentence.
