/h1.donchin,e.(1981).\"surprise!...surprise?\".electroencephalographyandclinicalneurophysiology,52(4),393-408.

2.squires,n.k.,squires,k.c.,&hillyard,s.a.(1975).\"twovarietiesoflong-latencypositivewavesevokedbyunpredictableauditorystimuliinman\".electroencephalographyandclinicalneurophysiology,38(4),387-401.

3.goodin,d.s.,squires,k.c.,h

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