Cognitive errors can be caused by externals, and, although I have told this true story before, it may be worth repeating in this context.
I was the duty Met forecaster at either Leeming or Topckiffe C. 1967: when I was permanently posted to the one or the other I often did detachments vice-versa. Perfectly normal hassle called career development.
Such that one day a familiar voiced Leeming Flt Lt rang Met. and asked me for a forecast .
"Met Leeming duty forecaster" BUT I WAS AT TOPCLIFFE. AND SO WAS HE.
"Ah! David, a quick brief for short trip to ....... [wherever]"
So I did the brief, and he did the flight.
And rang back later:
"You rotten sod, you disorientated me!"
After kicking the tyres and lighting the fires he sat in his cockpit fat dumb and happy but increasingly uneasy.
The light dawned, and all lived happily everafter.
I WOULD ADD THAT MEMORY FADES, AND IT COULD JUST AS EASILY HAVE BEEN THAT I WAS AT LEEMING AND SAID TOPCLIFFE.
But a single external input was enough.