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Stimulus Statistics Change Sounds From Near-Indiscriminable To Hyperdiscriminable, Keith Kluender R., Christian E. Stilp
Stimulus Statistics Change Sounds From Near-Indiscriminable To Hyperdiscriminable, Keith Kluender R., Christian E. Stilp
Department of Speech, Language, and Hearing Sciences Faculty Publications
Objects and events in the sensory environment are generally predictable, making most of the energy impinging upon sensory transducers redundant. Given this fact, efficient sensory systems should detect, extract, and exploit predictability in order to optimize sensitivity to less predictable inputs that are, by definition, more informative. Not only are perceptual systems sensitive to changes in physical stimulus properties, but growing evidence reveals sensitivity both to relative predictability of stimuli and to co-occurrence of stimulus attributes within stimuli. Recent results revealed that auditory perception rapidly reorganizes to efficiently capture covariance among stimulus attributes. Acoustic properties per se were perceptually abandoned, …