Harriet Hewitt. (IMAGE)

Curtin University

Harriet Hewitt.

Caption

10-year-old Harriet Hewitt, the fourth-generation member of her family to stutter, took part in the global study with every generation up to her Great-Grandfather providing saliva samples to help map the genetic link.

Credit

Curtin University.

Usage Restrictions

No restrictions.

License

Public Domain

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.