Simons and Chabris showed a video of students passing a basketball and asked participants to count how many passes were made. In the video, a person in a gorilla suit walked through the basketball...

Simons and Chabris showed a video of students passing a basketball and asked participants to count how many passes were made. In the video, a person in a gorilla suit walked through the basketball players for 5 seconds. Which of the following best explains their results?