1: The Search for Invariant Acoustic Correlates of Phonetic Features; 2: Effects of Speaking Rate on Segmental Distinctions; 3: Birdsong and Speech: Evidence For Special Processing; 4: Infant Speech Perception: A Critical Appraisal; 5: Possible Psychoacoustic Factors in Speech Perception; 6: Temporal Variables in the Perception and Production of Spoken and Sign Languages; 7: Word Recognition in Speech and Reading: Toward a Single Theory of Language Processing; 8: Dependency Relations During the Processing of Speech; 9: The Processing of Phrase Structures in Speech Production