Results 211 to 220 of about 15,637 (242)
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SPIE Proceedings, 2014
We report pupillometry results corresponding to three studies. A first study aims at measuring 2D pupil geometry with high precision (below 2 microns) at high frequency (more than 450Hz). The two other studies aim at measuring 3D pupil movements, with and without a chin rest. Results of measurements over 42 subjects are presented.
Serge Meimon +6 more
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We report pupillometry results corresponding to three studies. A first study aims at measuring 2D pupil geometry with high precision (below 2 microns) at high frequency (more than 450Hz). The two other studies aim at measuring 3D pupil movements, with and without a chin rest. Results of measurements over 42 subjects are presented.
Serge Meimon +6 more
openaire +1 more source
Neurosurgery
BACKGROUND AND OBJECTIVES: The objective of this study was to determine the utility of the pupillary light reflex use as a biomarker of mild traumatic brain injury (mTBI). METHODS: This prospective cohort study was conducted at The US Military Academy at
Bradley A Dengler +10 more
semanticscholar +1 more source
BACKGROUND AND OBJECTIVES: The objective of this study was to determine the utility of the pupillary light reflex use as a biomarker of mild traumatic brain injury (mTBI). METHODS: This prospective cohort study was conducted at The US Military Academy at
Bradley A Dengler +10 more
semanticscholar +1 more source
European Journal of Pain, 2023
The adequate assessment of pain in the emergency department (ED) can be challenging. Two dynamic pupillary measures used in conscious subjects after a surgical procedure were previously shown to correlate to the magnitude of ongoing pain.
Charles Grégoire +9 more
semanticscholar +1 more source
The adequate assessment of pain in the emergency department (ED) can be challenging. Two dynamic pupillary measures used in conscious subjects after a surgical procedure were previously shown to correlate to the magnitude of ongoing pain.
Charles Grégoire +9 more
semanticscholar +1 more source
Catching Mind Wandering With Pupillometry: Conceptual and Methodological Challenges
Wiley Interdisciplinary Reviews: Cognitive ScienceMind‐wandering (MW) refers to the shift of attention away from an ongoing task and/or external environment towards mental contents (e.g., memories, prospective thoughts) unrelated to the task. Physiological measures (e.g., pupil size, EEG, and fMRI) have
C. Pelagatti, E. Blini, M. Vannucci
semanticscholar +1 more source
Pupillometry in clinically sleepy patients
Sleep Medicine, 2002Investigators have suggested using pupillometry to assess alertness in hypersomnolent patients. In this study we assessed hypersomnolent patients and normal volunteers by using pupillometry and examined the usefulness of this technique for the diagnosis of pathologic sleepiness in individual patients.Forty-nine patients were examined by pupillometry ...
Jay W, McLaren +3 more
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Infrared Pupillometry During Uncal Herniation
Journal of Neurosurgical Anesthesiology, 2002Infrared pupillary scans have been used extensively as an objective measure of pupillary reflexes during pharmacological studies of human subjects, but no previous scans have documented the pupillary changes during transtentorial uncal herniation. We present infrared pupillary scans from three patients with brain stem compression secondary to expanding
Geoffrey T, Manley, Merlin D, Larson
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Pupillometry of Grapheme-Color Synaesthesia
Cortex, 2006Pupil diameters of color-grapheme synaesthetes were measured with an infrared eye-tracker while Stroop-like alphanumeric symbols were passively viewed. Pupils dilated more when synaesthetes viewed incongruently-colored symbols than congruently-colored symbols or symbols printed in the standard black ink.
Helle Gaare, Paulsen, Bruno, Laeng
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