* Asks excessive questions
* Lacks eye contact
* Uses aggressive language
* Talks excessively about specific subjects in too much detail
* Only talks about himself
* Is uninterested in other children
* Has difficulty engaging in conversation
* Uses literal/concrete understanding of language
* Has difficulty answering open-ended questions such as "what happened"
* Has difficulty with abstract language
- Verbal problem solving: why, when, how, do you know?
- Double meanings
- Innuendos and jokes
* Is unable to express feelings
* Has difficulty reading body language, facial expressions and respecting personal space
* Is unable to take the listeners perspective
