R sounds are rough, and L sounds are smooth: Cross-cultural study finds these associations may be universal

People around the world associate a trilled R sound with a rough texture and a jagged shape, and an L sound with a smooth ...
Science Daily

R sounds are rough, and L sounds are smooth, according to cross-cultural study

People around the world associate a trilled R sound with a rough texture and a jagged shape, and an L sound with smooth texture and a flat shape, according to the findings of a new study. Researchers ...
News Medical

Biofeedback improves speech in children at a faster rate than traditional methods

Run. Red. World. Pronouncing the "r" sound in these words requires precise control of the tongue. For most children, this happens naturally, but many children struggle with residual speech sound ...