Why is "Task-invoked pupillary response" trending?
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- Ranking position: #
- Date: 2026-03-27 12:19:31
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Wikipedia Overview
Task-invoked pupillary response is a pupillary response observed after an increase in cognitive load in humans, as a result of the subsequent decrease in parasympathetic activity in the peripheral nervous system. As a task places increased demand on working memory, pupil dilation has been observed to increase linearly. Jackson Beatty evaluated task-invoked pupillary response in different tasks for short-term memory, language processing, reasoning, perception, sustained attention, and selective attention, and found that this reaction fulfills Daniel Kahneman's three criteria for indicating processing load. That is, it can reflect differences in processing load within a task, between different tasks, and across individuals. It is used as an indicator of cognitive load in psychophysiology research.
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