Frontmatter -- Table of contents -- Acknowledgements -- Contributors -- Introduction -- Theory -- The contrastive hierarchy in phonology -- Prophylactic features and implicit contrast -- Contrasts in Japanese: A contribution to feature -- geometry -- Quasi-phonemic contrast and the fuzzy inventory: -- Examples from Scottish English -- Effects of contrast recoverability on the typology -- of harmony systems -- Perception -- The impact of allophony versus contrast on speech -- perception -- Interplay between perceptual salience and contrast: -- /h/ perceptibility in Turkish, Arabic, English, and French -- Self-organization through misperception: Secondary -- articulation and vowel contrasts in language inventories -- Acquisition: First language (L1) -- acquisition -- The role of contrast in the acquisition of phonetic -- systems -- How does Place fall into place? -- Acquisition: Second language (L2) -- acquisition -- Learning to perceive a smaller L2 vowel inventory: -- An Optimality Theory account -- The effect of perceptual factors in the acquisition -- of an L2 vowel contrast -- Some reflections on abstractness and the shape of -- inputs: The case of aspiration in English -- Backmatter