Ted Supalla

Ted R. Supalla, Ph.D., is a Professor of Neurology, Linguistics, and Psychology at Georgetown University Medical Center, and he runs the Sign Language Research Lab, a part of the Center on Brain Plasticity and Recovery. He has published extensively on the structure of American Sign Language and other sign languages of the world. He has served as a consultant to the World Federation of the Deaf, where he participated in publishing a white paper on the status of sign languages around the world. He is also the author (with Patricia Clark) of Sign Language Archaeology: Understanding Historical Roots of American Sign Language. His lab hosts the Historical Sign Language Database as a resource tool for public use.

Sort options

Sign Language Science: Factors Contributing to Natural Change (edX)

This course describes how we use historical data to demonstrate language change. While earliest indications suggest that the origin of a signed language began as a gestural form, it has evolved as it was handed down.

Sign Language Science: Factors Contributing to Natural Learning (edX)

This course promotes a better understanding of the factors that may affect how people learn signed language. In this course, we will look at how multiple, varying factors can account for language-learning patterns. Age, for example, is a key factor that predicts fluency. Another topic of particular importance to [...]

Sign Language Science: Factors Contributing to Nature Structure (edX)

This course details the development of the type of grammar that occurs whenever a group of people develops and uses a signed language. In this course, we will look at how people make sign language work—and to understand this, we have to analyze the actual language. In this course, [...]

Sign Language Science: Emergence and Evolution of Sign Language (edX)

This course connects the emergence and evolution of signed languages to the history of the people who use these languages. You will learn this concept in depth, especially the legacy and heritage of American Sign Language (ASL).