Eye pupil dilation for attention analysis during exercise

It has long been known that the human pupil of the eye will dilate when a high level of attention is obtained. This can be used to measure if a person is actually paying attention when learning new tasks. Attention is known to correlate very closely to learning ability. In fact, it is crucial to learning.

However, research on measuring attention during exercise is lacking, but could have many benefits especially when learning new motor skills or re-learning old motor skills after injury.

Measuring attention using EEG equipment during exercise was attempted in the Spring of 2018 but without much success. Perhaps the pupil dilation method will be more successful.

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Articles for inspiration

Pupil Diameter Tracks Lapses of Attention (2016)
Pupillary dilation as a measure of attention: a quantitative system analysis(1993)
Pupil Size Tracks Attentional Performance In Attention-Deficit/Hyperactivity Disorder(2017)