http://www.prisonexp.org/
A good place to start. Just remember, this only has bearing on the issue of "knowing" cerebrally that something is an experiment, vs internalizing the situation.
As for isolation experiments...
Here is a good one.
lsda.jsc.nasa.gov/books/ground/chambers.pdf
Enjoy the reading!
EDIT: Also - look up the Mars 500 experiement. 6 men in isolation for 520 days.......