________ is(are) considered to be an abnormality of REM sleep

A sensory memory is an impression formed from

a. input from any of the senses. b. thoughts and feelings of early childhood. c. cognitions. d. reinforcers. e. chunking.

The notion that development is best described in terms of a series of abrupt shifts in behavior best fits with the ____ approach

a. nature b. nurture c. continuity d. discontinuity