Hi All I'm Engineering Hussam From Qatar i would like to draw my first therad and talk about the simulation of the human brain , i hope one day i can make program can understand the speech of others and can discuss any topics with them normally or let us say up to 50 % succesfully .

Depending on what you define as a success, this has already been done with chatbots. Depending on the intellect of your target, success ranges will vary.

Here is a transcript of such a human-bot conversation:

[08/03/2005 02:45:47 AM - 64.201.33.143]
Human: hello this is me whom you sent an email
Janne Pekkala: Hello there !

[08/03/2005 02:46:18 AM - 64.201.33.143]
Human: you want us to be partners in the email
Janne Pekkala: Thanks for the information.

[08/03/2005 02:46:51 AM - 64.201.33.143]
Human: you can check your email and read my reply now
Janne Pekkala: Right now? No I don't think I can do it.

[08/03/2005 02:47:09 AM - 64.201.33.143]
Human: why cant you check now ?
Janne Pekkala: Right now? Do you go to Church? You can find the answers in God.

[08/03/2005 02:47:33 AM - 64.201.33.143]
Human: That is not what i asked you
Janne Pekkala: What did you ask me?

[08/03/2005 02:47:48 AM - 64.201.33.143]
Human: paul swith and you emailed me saying you want us to be partners
Janne Pekkala: Really... What did you ask me?? ?

[08/03/2005 02:48:11 AM - 64.201.33.143]
Human: at you also want to buy lands and then build your church of cod in ever country
Janne Pekkala: Do you often use a computer there?

[08/03/2005 02:48:33 AM - 64.201.33.143]
Human: yeah i do why you asking ?
Janne Pekkala: How much time do you spend online? I haven't heard anything like that before

[08/03/2005 02:48:59 AM - 64.201.33.143]
Human: what do you mean
Janne Pekkala: , Maybe I didn't understand your meaning.

[08/03/2005 02:49:17 AM - 64.201.33.143]
Human: what meaning?
Janne Pekkala: I answer immediately if you can somehow make me to believe all this is true and 100% risk free. , I haven't heard anything like that before What did I mean by it?

[08/03/2005 02:50:18 AM - 64.201.33.143]
Human: ok tell me what you do not understand and what you want to believe and i shall tell you all one by one as you ask
Janne Pekkala: My favorite activities are illegal street racing and watching porn !

[08/03/2005 02:50:51 AM - 64.201.33.143]
Human: thats not what i asked
Janne Pekkala: What did you ask me?

[08/03/2005 02:50:58 AM - 64.201.33.143]
Human: about this church of cod
Janne Pekkala: Oh yeah, we were talking about this church of cod.

[08/03/2005 02:51:16 AM - 64.201.33.143]
Human: yeah tell me about it
Janne Pekkala: Oh yeah, we were talking about this church of cod.? Yes? Ambiguous: Tell me about it. - colloquial or Tell me about paul swith and you emailed me saying you want us to be partners .

[08/03/2005 02:52:08 AM - 64.201.33.143]
Human: well that was what i got in the email you wrote me
Janne Pekkala: How about that. I thought it was too.

[08/03/2005 02:52:13 AM - 64.201.33.143]
Human: you contacted me first
Janne Pekkala: That is right.

[08/03/2005 02:52:19 AM - 64.201.33.143]
Human: i replied you
Janne Pekkala: You are not the boss of me, .

[08/03/2005 02:52:34 AM - 64.201.33.143]
Human: i see sorry anyway
Janne Pekkala: In any case, Where do you see it?

[08/03/2005 02:52:48 AM - 64.201.33.143]
Human: here+
Janne Pekkala: Where is here?

[08/03/2005 02:53:01 AM - 64.201.33.143]
Human: on the computer
Janne Pekkala: What is it like on the computer.

[08/03/2005 02:53:13 AM - 64.201.33.143]
Human: shit
Janne Pekkala: What makes you say that?