Pupillary measurement during an assembly task
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Updated: Feb 1, 2026

Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
Published on: April 11, 2019
Per Bækgaard1, Shahram Jalaliniya2, John Paulin Hansen3
1DTU Compute, Technical University of Denmark, Richard Petersens Plads, Building 321, DK-2800 Kgs, Lyngby, Denmark.
Abstract:
We conducted an empirical study of 57 children using a printed Booklet and a digital Tablet instruction for LEGO® construction while they wore a head-mounted gaze tracker. Booklets caused a particularly strong pupil dilation when encountered as the first media. Subjective responses confirmed the booklet to be more difficult to use. The children who were least productive and asked for assistance more often had a significantly different pupil pattern than the rest. Our findings suggest that it is possible to collect pupil size data in unconstrained work scenarios, providing insight to task effort and difficulties.
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