Studies of listeners' ability to distinguish languages when segmental information is eliminated have been taken as evidence for categorical rhythmic distinctions between language groups ("rhythm classes"). Furthermore, it has been suggested that sensitivity to rhythm class is present at birth and that infants must establish the rhythm class of…

Four experiments explored French-learning infants' ability to segment words from fluent speech. The focus was on bisyllabic words to investigate whether infants segment them as whole words or segment each syllable individually. No segmentation effects were found in 8-month-olds. Twelve-month-olds segmented individually both the final syllables…