hallucinations are not just visual, in fact, the most common type of 
hallucination is auditory, in other words, hearing voices and sounds 
that cannot be explained by reality.

Andy
At 02:39 PM 1/27/2008, you wrote:
>Hi
>      I have a sighted friend (Bob) who has been wondering, can Blind People
>hallucinate? He says that people who hallucinate see things that are not
>there. So, therefore he wonders since blind people can not see he wondered
>if it was possible for them to hallucinate. I had never contemplated the
>matter much but I told him I would forward the question to the list. I will
>be glad to send any messages you have on the matter back to him.
>      Thank you for helping to answer this retired policeman's question.
>
>God bless,
>Mark
>God loves you!
>My ham radio lists.
>http://lists.topica.com/lists/funhamradio.
>http://groups.google.com/group/funhamradio-list