Why are per­pe­tra­tors in­vis­i­ble?

iD magazine - - Body & Mind -

Only a thumb­nail-size por­tion of our field of view is ac­tu­ally sharp—the far­ther some­thing is from our fo­cus, the more the con­trasts are blurred. Nor­mally our gaze con­stantly sweeps back and forth and our brains then stitch the in­di­vid­ual com­po­nents to­gether to com­pose a thor­ough im­age. That’s why we are sub­ject to the il­lu­sion that we see ev­ery­thing clearly. Dur­ing a dan­ger­ous sit­u­a­tion like the one in the photo above, a gun at­tracts our at­ten­tion in such a way that the eyes no longer pan. The face at the edge of the fo­cus re­mains blurred. For this rea­son vic­tims are of­ten un­able to re­call such de­tails later on— al­though the per­pe­tra­tor may have even been stand­ing di­rectly in front of them.

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