what are the three processes involves in sd
anxiety hierarchy: put together with client and therapist. least to most frightening.
relaxation: therapist teaches client how to relax as deeply as possible - it is impossible to be afraid and relaxed at the same time, one emotion prevents the other (reciprocal inhibition) can be achieved by breathing exercises or meditation or drugs such as valium
exposure: client is exposed to the phobic stimulus while in a relaxed state