Question

According to filter theory, having limited __________ helps us to function in the world, because otherwise we would be swamped with irrelevant sensory information.

Answer 1

the answer to this question is attention
Limited attention make human able to focus on fewer things. With this focus, we could dedicate our time to only doing a certain things that are the most important to us. If this limited attention is not exist, we might be jumping from one activity to another without getting anything done.