Abstract
People with higher autistic traits display stronger fluctuations in pupil size when presented with an optical illusion.
Highlights
Related research article Turi M, Burr DC, Binda P. 2018
The researchers used a well-known optical cylinder illusion that consists of two overlapping sets of black and white dots moving in opposite directions on a 2D plane (Figure 1A)
The overall intensity of light remained constant, the size of the pupils changed: the pupils became larger when the black dots seemed to be in the front, but became smaller, when the white dots appeared to be in front (Figure 1C)
Summary
Related research article Turi M, Burr DC, Binda P. 2018. Pupillometry reveals perceptual differences that are tightly linked to autistic traits in typical adults. eLife 7: e32399. Recent studies have painted a complex and fascinating picture of what drives these changes in pupil size. Despite representing the lowest level of visual function, these pupil dynamics can reflect sophisticated processes that are closely linked to our everyday experience (including attention, decision making, and even aesthetic experiences; Binda and Murray, 2015; Hartmann and Fischer, 2014).
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