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. Author manuscript; available in PMC: 2009 Sep 14.
Published in final edited form as: Dev Sci. 2009 Apr;12(3):369–378. doi: 10.1111/j.1467-7687.2009.00822.x

Figure 2.

Figure 2

The parameters of the Gaussian distributions used to represent each speech category. The mean (μ) refers to the location (in cue-space) of the prototype, the SD (σ), refers to the width of the category, and the height (ϕ) to its frequency (or posterior probability).