Event & Contingent Probabilities



  • humans & animals are attuned to the frequency of occurrence of various stimuli
    (Hasher & Zacks, 1984; Gallistel, 1990; Kelly & Martin, 1994; Reber, 1993)

  • E.g. of contingent frequency learning for pitch sequences (Saffran et al, 1999)
Stimuli (21 minutes, uninterrupted):


Lexical items:


Transitional probabilities:


Test stimuli: