What general category of psychological disorders is characterized by a disruption in one's consciousness, memory, identity, or perception?

Forgetting in LTM in normal adults is apparently due primarily to

(a) decay (b) loss of retrieval cues (c) overloading its limited capacity (d) anterograde reversible memory processes in time (the "armpit" theory) (e) disruption by input from sensory memory

If a distribution is normal with ?= 50 and ?= 10, then what proportion of the scores will

fall between 30 and 70? a. .9544 b. .3413 c. .6826 d. .9974