Monoamine oxidase inhibitors are likely to increase intraneuronal levels of

Which of the following is not characteristic of childhood autism?

a. violent temper tantrums and repetitive actions b. sensory blocking and echolalia c. language and learning deficiencies d. encopresis and overeating

According to the article Yoking Smoking about operant conditioning, shaping is the process used to

(a) fix poor quality research designs (b) teach a rat to make its first bar-press response (c) the way research data are put together for presentation (d) what happens after a rat has received successive rewards in a Skinner box