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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Biol Rev Camb Philos Soc. 2014 Nov 26;91(1):13–52. doi: 10.1111/brv.12160

Fig. 4.

Fig. 4

Perceptual constraints for the definition of sequence units. (A) Perceptual binding, where two discrete acoustic elements may be perceived by the receiver either as a single element, or as two separate ones. (B) Categorical perception, where continuous variation in acoustic signals may be interpreted by the receiver as discrete categories. (C) Spectrotemporal constraints, where if the receiver cannot distinguish small differences in time or frequency, discrete elements may be interpreted as joined.