Ensuring d/Deaf children become bilingual in sign language and English should be a key priority for policymakers and teachers because this plays an important role in their education, a new study says.

Correction: The original video with this piece did not include captioning for some of the American Sign Language seen on screen. The video has been updated to include ...

In a darkened room in Rochester, N.Y., a baby girl in a pink onesie peers at a computer screen. Wherever she looks, an eye tracker follows — recording her gaze patterns for future analysis. The baby, ...