Can you recommend me some good psychological anime?

Death Note
Higurashi No Naku Koro Ni
Jigoku Shōjo
Another
Shiki
Monster
Elfen Lied
Paprika (movie)
Code Geass
xxxHolic

That's all I can think of right now ^ ^

Hyouka, I guess... at least I liked it.. Lets see if you do..

My favorite psychological animes are:

Psychic Detective Yakumo
Eden of the East
Wolf's Rain
Guilty Crown
Hell Girl
Ghost Hunt
No. 6
Persona 4: The animation
Code Geass

Some are more psychological than others but all have a theme of diving into a people's or society's minds of what is right and wrong. Some of these animes are psychological in the sense it gets into your mind. A lot of deep character development.

[video is the opening to Psychic Detective Yakumo. I couldn't find a picture that best described the mind of this anime, so sorry for the video. btw have your volume turned down, it can start up loud if you're not expecting it.]

Paranoia Agent
Ghost in the Shell
Monster
they are all really good ones!

Watch Shinsekai Yori and then tell me if you were as freaked out as I was by it.

Death Note is excellent.

Characters - good.

Plot - brilliant. Lots of great twists, as well.

Execution - great.

Supernatural the anime series!!!