Pupils dilate and specific physical symptoms occur when a person lies
the verdict
SUPPORTED
the evidence backs this
confidence 80/100
Pupillometry and physiological measures reflect cognitive load and deception-related processing, supporting the link between lying and autonomic responses like pupil dilation.
Evidence for · 3
Pupillometry and autonomic nervous system responses to cognitive load and false feedback: an unsupervised machine learning approach.
2024 · cited by 6
Pupil dilation dynamics are shown to correlate with deception and cognitive stress responses.
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More for · 2
Detecting feigned cognitive impairment using pupillometry on the Warrington Recognition Memory Test for Words.
2024 · cited by 1
Pupillometry indexes psychological processes related to cognitive load and deception outside of conscious control.
Subtle Gaze and Pupil Dynamics: Detecting Recognition of Familiar Faces with Moving Serial Visual Presentation.
2026 · cited by 0
Pupil dilation exhibits notable changes and increases in response to concealed information or familiarity recognition tasks.