Based on the dark adaptation curve, you would expect the absolute threshold to _____ as time in a darkened room increases.
A) get larger
B) remain unchanged
C) get smaller
D) vary unpredictably

Question

Quizplus · Accepted Answer

The dark adaptation curve shows that initially, our absolute threshold is high in the dark, meaning we need a great deal of stimulation to detect a visual stimulus. However, as time in the dark increases, our eyes adjust and become more sensitive to light, causing our absolute threshold to decrease or get smaller.

Based on the Dark Adaptation Curve, You Would Expect the Absolute