• No matter if you are the only person or one of many people in your family who is deaf or hard-of-hearing, you may be eligible to participate as long as you have been deaf or hard-of-hearing since birth or early childhood. You must also be at least 18 years old to participate in this project.

• Your participation is entirely voluntary and all the information will be kept strictly confidential.

• All the audiology and genetic testing and counseling is done at no charge and can take place at either University of California, Los Angeles (UCLA) or at California State University, Northridge (CSUN).

• NEW SITES! All audiology and genetic testing and counseling can now be done at California School for the Deaf, Fremont (CSDF), or at California School for the Deaf, Riverside (CSDR).

Criteria ~ Procedures ~ Benefits of genetic testing~ Risks of genetic testing