To what does the absolute threshold refer?

A) the concept of individual differences
B) the maximum amount of energy required to reliably perceive a change in the original stimulus
C) the minimum amount of energy required to reliably perceive a change in the original stimulus
D) the minimum amount of energy required for detection of a stimulus

Absolute Threshold

The minimum intensity of a stimulus that one can perceive, below which it is not detected at all.

Energy

The capacity to do work or produce change, existing in forms such as chemical, mechanical, thermal, electrical, and nuclear.

Original Stimulus

The initial stimulus or environmental cue that elicits a natural, unlearned response in classical conditioning before any conditioning takes place.