Illustration of a trial in the Posner cueing task showing to squares, one of which highlighted in yellow.

Posner Cueing Task – Free online template and explainer guide

We have become used to talk about attention in terms of the forces that act on it. We may say that the sound or sight of a Twitter notification ‘pulled’ our attention away from our work. Or we might be ‘glued’ to a captivating story in a book. The Posner cueing task measures how attention is pulled across our visual field even when our eyes remain fixated.