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Sign language users read words and see signs simultaneously

A recent study by Penn State researchers found that sign language users can process both English words and American Sign Language (ASL) signs concurrently. When word pairs were matched with similar signs, reaction times were faster and accuracy rates improved compared to control group bilingual speakers.

SourcePenn State·JournalCognition·DateMar 22, 2011

Words help people form mathematical concepts

Researchers found that deaf people in Nicaragua who used self-developed gestures, called homesigns, had difficulty understanding the value of large numbers. In contrast, those who acquired conventional sign language as children were able to learn the meaning of large numbers.

SourceUniversity of Chicago·JournalProceedings of the National Academy of Sciences·DateFeb 7, 2011

'Deaf by God' tried in Old Bailey records

Historical records show the evolution of signing and interpreting in court proceedings from 1725 to 19th century, highlighting the role of education and community in shaping British Sign Language. As deaf people gained access to education, their status in courts declined paradoxically.

SourceUniversity College London·JournalSign Language Studies·DateMay 5, 2008

Is there a critical period for sign language?

Dr. Rachel I. Mayberry's research indicates that there is a critical period for sign language acquisition, guiding the learning of all first languages. This critical period emphasizes the importance of early childhood exposure and language acquisition in order to achieve optimal comprehension.