Question

extrasensory perception is the:
tendency of a persons sensation of a stimulus to decrease when the stimulus remains constant.
brains interpretations of sensations.
debatable notion of perception without sensation.
minimum level of a stimulus necessary for a person to detect its presence at least half of the time.

Explanation:

• The first option describes sensory adaptation (not ESP).
• The second option is perception (not ESP).
• The third option: Extrasensory perception (ESP) is the idea of perceiving without traditional sensory input (like sight, hearing, etc.), which is a debatable concept.
• The fourth option is the definition of absolute threshold (not ESP).

Answer:

C. debatable notion of perception without sensation.