If you just watched a really scary movie, a noise from another room (that you would normally ignore) could set your heart racing, as you perceive it as an intruder set to kill you rather than just the cat playing. The same principle can apply to police shootings — did they perceive a phone as a gun just because they were primed for danger? The article below describes how this is quite likely. Gives a whole different perspective of the police racism problem.
Manos Tsakiris |14 April, 2017 | aeon