Ann Yau, Hong Kong Baptist University (IMAGE) Hong Kong Baptist University Caption Ann Yau says scalp acupuncture is effective for treating autistic children. Credit HKBU Usage Restrictions for HKBU License Licensed content 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.