The difficulties in expressing oneself through speaking make it very difficult to express oneself verbally and the buildup of emotions and frustrations is expressed as anger towards others. The tragedy is that often the people closer to the needy individual get the outbursts of anger.
This creates more tension and isolation.

This is why professional counseling for the person and his caretakers is very important.

I Brook MD
Blog Site: http://dribrook.blogspot.com