Social and Behavioral Sciences Commons^™

Mothers Do Not Drive The Development Of Adult Homesign Systems: Evidence From Comprehension, Emily Carrigan

Master's Theses

Studying the communication systems that arise in spontaneously occurring cases of degraded linguistic input can help clarify human predispositions for language. Some deaf individuals born into hearing families, who do not receive conventional linguistic input, develop gestures, called “homesign,” to communicate. We examined homesign systems used by four deaf Nicaraguan adults (ages 15-27), and evaluated whether homesigners’ hearing mothers are potential sources for these systems. Study One measured mothers’ comprehension of descriptions of events (e.g., “A man taps a woman”) produced in homesign and spoken Spanish. Mothers comprehended spoken Spanish descriptions (produced by one of their hearing children) better than …