Eiichi Nojiri and Kenkichi Takase (IMAGE) Chuo University Caption Eiichi Nojiri and Kenkichi Takase In this study, researchers from Japan propose "rigid-autonomous phase sequences (RAPS)" as a novel theoretical framework to explain the diverse symptoms and challenges associated with autism spectrum disorder (ASD). Credit Eiichi Nojiri and Kenkichi Takase Usage Restrictions No restrictions. License CC0 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.