Geo Kartheiser

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About

Geo Kartheiser’s research sits at the intersection of developmental psychology, assistive technology, and deaf education, with a focus on bridging critical language gaps for deaf infants. His most-cited work, “Teaching Language to Deaf Infants with a Robot and a Virtual Human” (2018, 55 citations), addresses a pressing challenge: over 90% of deaf infants are born to hearing parents with limited sign language experience, placing these children at risk for lifelong cognitive, language, and social deficits. Kartheiser pioneered an innovative intervention using robots and virtual humans to model sign language, creating an engaging, consistent language environment during the critical developmental window of infancy. This work not only demonstrates a novel application of human-robot interaction but also offers a scalable solution to a systemic inequity in early language exposure. By leveraging technology to support both infants and their hearing parents, Kartheiser’s contributions have reshaped conversations around early intervention, earning recognition for their practical impact and interdisciplinary reach. His research continues to influence how we think about accessible, technology-driven language acquisition for vulnerable populations.