What is spatial summation?
A)the ability to pool light across different regions of space
B)the ability to resolve light to particular locations in the visual world
C)the process of adapting sensitivity to match visual conditions
D)the process of adapting focus based on physical distance

Question

Quizplus · Accepted Answer

Spatial summation is the process by which the visual system combines information from different regions of space to create and enhance visual signals. This process helps to increase the sensitivity of the visual system to weak or diffuse stimuli, enabling us to perceive faint light sources or see objects in low-light conditions.

What Is Spatial Summation