8. People Can Miss Changes In Their Visual Fields

Gorilla Video

People can easily miss changes within their visual fields. A famous example of this is the gorilla video. This video concludes that if you are looking at one thing, you don't expect changes to occur elsewhere. 

Simons, Daniel. "Selective attention test." YouTube. 10 Mar. 2010. YouTube. 21 Jan. 2019 <https://www.youtube.com/watch?v=vJG698U2Mvo>.