pupil dilation

collocation in English

meaningsofpupilanddilation

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withpupil.
pupil
noun[C]
uk
/ˈpjuː.pəl/us
/ˈpjuː.pəl/
a person, especially a child at school, who is ...
See more atpupil
dilation
noun[U]
uk
/daɪˈleɪ.ʃən/us
/daɪˈleɪ.ʃən/
the state of being larger or more open ...
See more atdilation

(Definition ofpupilanddilationfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofpupil dilation

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Signals proposed for use in human-computer interfaces include skin conductance, heart rate,pupildilation, and brain and muscle neural activity.
From theCambridge English Corpus
Gaze,pupildilation, facial expressions, posture, proximity, touch, and mirror systems are all reflexive and obligatory systems that work below conscious awareness.
From
Wikipedia
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This technology measurespupildilation, response time, reading and rereading time, and errors.
From
Wikipedia
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Also, excessivepupildilationmay occur as an unwanted side effect.
From
Wikipedia
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Fear specifically causes heightened arousal in liars, which manifests in more frequent blinking,pupildilation, speech disturbances, and a higher pitched voice.
From
Wikipedia
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The length of a gaze, the frequency of glances, patterns of fixation,pupildilation, and blink rate are all important cues in nonverbal communication.
From
Wikipedia
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Pupildilationis a significant cue to a level of excitement, pleasure, or attraction.
From
Wikipedia
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The cat shows accelerated heartbeat, piloerection (hair standing on end, normally for conservation of heat), andpupildilation, all signs of sympathetic arousal.
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Wikipedia
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The well-developed dilator muscle gives the animals a great range inpupildilation.
From
Wikipedia
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It is found that greaterpupildilationis associated with increased processing in the brain.
From
Wikipedia
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Pupildilationand constriction can determine the valence of surprise from the action to the reaction of the individual.
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Wikipedia
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The involvespupildilation, release of endorphins, increased heart and respiration rates, cessation of digestive processes, secretion of adrenaline, arteriole dilation, and constriction of veins.
From
Wikipedia
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The affected individual will also have a ptosis, or drooping of the eyelid, and mydriasis (pupildilation).
From
Wikipedia
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Not only considered eye contact, oculesics comprises the actions of looking while talking and listening, frequency of glances, patterns of fixation,pupildilation, and blink rate.
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By examining fixations, saccades,pupildilation, blinks and a variety of other behaviors researchers can determine a great deal about the effectiveness of a given medium or product.
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During klazomania, a person may experiencepupildilation, tachycardia, salivation, increased blood pressure, retraction of lips, barking, grunting, and rage just as an animal would if presenting sham rage.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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