1. Paintings or drawings that lead to ambiguous interpretations often invert the
A. figure and ground
B. sensation and perception
C. top and bottom
D. open processing and closed processing
2. If heat is applied to the skin, the skin's "warm" receptors _____, and the skin's cold receptors _____.
A. begin to fire; fire more slowly
B. fire more rapidly; begin to fire
C. begin to fire; continue to fire
D. fire more rapidly; cease their spontaneous firing
3. Which of the following has NOT been shown to influence the perception of pain in humans?
A. mood
B. personality
C. expectations
D. age