Duke researchers study baby cries to flag future speech issues
At Duke University Ray Massengill Jr and team record infant cries to detect patterns linked to later speech disorders and potential mental retardation. Using polygraphs and spectrograms they compare cries of 300 children, including many with cleft palates, seeking early diagnostic clues.
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Ray Massengill Jr
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Swallowing Study Details In Retarded Children
A medical expert describes a mouth and throat study filmed at 24 and 64 frames per second to observe swallowing. In normal children food forms a ball and moves backward for swallowing, while in retarded children the tongue may move forward and food can spread in the mouth or stall mid cycle.
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