Heading perception and the allocation of attention
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Updated: Aug 15, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
J P Wann1, D Swapp, S K Rushton
1Department of Psychology, University of Reading, PO Box 238, 3 Earley Gate, Whiteknights, RG6 6AL, Reading, UK. j.p.wann@rdg.ac.uk
Abstract:
A central theme in previous studies of heading judgements has been whether the retinal flow field can be decomposed to recover the translation component of locomotion when flow also contains the effects of gaze rotation. We explored not just the effect of moving gaze, but also moving attention away from the locomotor path by presenting the case of fixating a road sign and completing different attentional tasks during locomotion. Heading errors increased significantly with attentional load, in the absence of extra-retinal gaze information. When we introduced extra-retinal gaze information with the same tasks this resulted in a significant improvement in heading judgements. These results lead us to question whether the decomposition argument translates to real-world judgements of locomotor heading. If observers need to closely attend to roadside information it seems that decomposition is ineffective, whereas if they have the latitude to alternate gaze it is unnecessary.
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