Success in gen-eral sound source determination, including acoustic
predator and prey detection and communication, would
seem to require the acquisition of the same sorts of
information about sound sources in usually complex
acoustic environments that are used in auditory scene
analysis by humans, and as recently demonstrated, in
starlings (Hulse et al., 1997; MacDougall-Shackelton et
al., 1998) and gold¢sh (Fay, 1997, 2000).
In summary, we argue that the task of determining
sound source characteristics in the usual environments
containing multiple sources, scatterers, and noise has
given rise to the most important general pressures operating
throughout vertebrate evolution in initially
shaping and maintaining the vertebrate sense of hearing
Success in gen-eral sound source determination, including acoustic
predator and prey detection and communication, would
seem to require the acquisition of the same sorts of
information about sound sources in usually complex
acoustic environments that are used in auditory scene
analysis by humans, and as recently demonstrated, in
starlings (Hulse et al., 1997; MacDougall-Shackelton et
al., 1998) and gold¢sh (Fay, 1997, 2000).
In summary, we argue that the task of determining
sound source characteristics in the usual environments
containing multiple sources, scatterers, and noise has
given rise to the most important general pressures operating
throughout vertebrate evolution in initially
shaping and maintaining the vertebrate sense of hearing
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