1. American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed., text rev.). Washington, DC: Author.
2. Psychological influences on yawning in children;Anderson;Current Psychology Letters: Behaviour, Brain, & Cognition,2003
3. Only tongue protrusion modeling is matched by neonates;Anisfeld;Developmental Review,1996
4. No compelling evidence that newborns imitate oral gestures;Anisfeld;Infancy,2001
5. Motor mimicry as primitive empathy;Bavelas,1987