This stood out to me as well. If I close my eyes and walk into a wall I will still perceive the wall. Our various senses help build an understanding of what's

This stood out to me as well. If I close my eyes and walk into a wall I will still perceive the wall. Our various senses help build an understanding of what's going on. It's not like we fail to understand anything once you remove one part of the system. Maybe this person is trying to say something deeper or more nuanced and I fail to understand the meaning behind it.