Eve Spoke
Philip Lieberman, 1998

Did Human Language Evolve?
In reviewing the linguistic theories of Noam Chomsky, Lieberman makes some remarks which might suggest that he completely disagrees with the linguistic doctrine that much of our language ability is innate. He seems to nail down the coffin lid by taking a gibe at one of Chomsky's less-then-mainstream ideas that language is too complex to have evolved at all.

Later, we will see that Lieberman is not quite as radical as that.

Vowel Perception
Chapter 3 , Lieberman talks about vowel normalization. Although many have talked about some kind of normalization for many years, no one has as yet demonstrated how it might work. An idea of Cohen and Grossberg looks promising in this regard.

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