National Student Speech Language Hearing Association. Join the UCLA chapter of the National Student Speech Language Hearing Association (NSSLHA), the go-to community for students passionate about communication sciences and disorders (CSD). Established in 1972 and backed by the American Speech-Language-Hearing Association (ASHA), our group is a vibrant network of over 11,000 members nationwide. At UCLA, we offer engaging workshops and events, creating a welcoming space for students to learn and connect in the field.