Laboratory phonology uses speech data to research questions about the abstract categorical structures of phonology. This collection of papers broadly addresses three such questions: What structures underlie the temporal coordination of articulatory gestures? What is the proper role of segments and features in phonological description? and What structures--hierarchical or otherwise--relate morphosyntax to prosody? In order to encourage the interdisciplinary understanding required for progress in this field, each of the three groups of papers is preceded by a tutorial paper (commissioned for...