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The Application of Pupillometry in Hearing Science to Assess Listening Effort

Graham Naylor, Thomas Koelewijn, Adriana A Zekveld, Sophia E. Kramer
2018 Trends in Hearing  
In recent years, the fields of Audiology and Cognitive Sciences have seen a burgeoning of research focusing on the assessment of the effort required during listening.  ...  Among approaches to this question, the pupil dilation response has shown to be an informative nonvolitional indicator of cognitive processing during listening.  ...  disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: Coauthor GN ORCID iD Graham Naylor Adriana A  ... 
doi:10.1177/2331216518799437 pmid:30208763 pmcid:PMC6137549 fatcat:yswlbe3ujjh55bd7lfdsn4dlba

Evaluation of Cholinergic Deficiency in Preclinical Alzheimer's Disease Using Pupillometry

Shaun Frost, Liam Robinson, Christopher C. Rowe, David Ames, Colin L. Masters, Kevin Taddei, Stephanie R. Rainey-Smith, Ralph N. Martins, Yogesan Kanagasingam
2017 Journal of Ophthalmology  
Pupillometry is a low-cost, noninvasive technique that may be useful for monitoring cholinergic deficits which generally lead to memory and cognitive disorders.  ...  Hence, pupillometry has a potential as an adjunct for noninvasive, cost-effective screening for preclinical AD.  ...  Pupillometry is a low-cost, noninvasive technology that may reflect early cholinergic deficits preceding memory and cognitive decline.  ... 
doi:10.1155/2017/7935406 pmid:28894607 fatcat:f7op5uz5ard75cmw2l2zaufwby

Infrared pupillometry to help predict neurological outcome for patients achieving return of spontaneous circulation following cardiac arrest: a systematic review protocol

Alex Monk, Shashank Patil
2019 Systematic Reviews  
While infrared pupillometry (IRP) is not currently used as a prognostication modality, it can provide a quantitative and objective measure of pupillary size and PLR, giving a definitive view of the second  ...  However, the quality of evidence is low, reducing confidence in the strategy's results.  ...  However, Petrie et al noted that 'a major determinant of cost for the CPC 1-2 group was the burden of cost of the non-survivors and CPC 3-4 patient group [23] (p. 6 ).  ... 
doi:10.1186/s13643-019-1209-z pmid:31767023 pmcid:PMC6876106 fatcat:go532227sjdhlbeoxhxpj6m2n4

Handheld chromatic pupillometry can accurately and rapidly reveal functional loss in glaucoma

Raymond P Najjar, A V Rukmini, Maxwell T Finkelstein, Simon Nusinovici, Baskaran Mani, Monisha Esther Nongpiur, Shamira Perera, Rahat Husain, Tin Aung, Dan Milea
2021 British Journal of Ophthalmology  
In this study, we evaluate the performance of handheld chromatic pupillometry (HCP) for the objective and rapid detection of functional loss in glaucoma.MethodsIn this clinic-based, prospective study,  ...  Features with the highest classification potential, selected using a gradient boosting machine technique, were incorporated into a generalised linear model for glaucoma classification.  ...  study, we show that a low-cost handheld pupillometer delivering short-duration light stimulations, requiring minimal fixation aptitudes and no dark-adaptation, can highlight functional loss in eyes with  ... 
doi:10.1136/bjophthalmol-2021-319938 pmid:34853018 fatcat:boyrz6fvnncohnqibomjiqzzje

Towards Estimation of Emotions from Eye Pupillometry with Low-cost Devices

Sidra Rafique, Nadia Kanwal, Irfan Karamat, Mamoona N. Asghar, Martin Fleury
2020 IEEE Access  
Eye pupil images of up to 32 subjects of different genders were captured as video images by low-cost, infrared, Raspberry Pi board cameras.  ...  This paper considers pupillometry as a non-invasive way of classifying an individual's emotions. Standardized audio signals were used to emotionally stimulate the test subjects.  ...  low-cost.  ... 
doi:10.1109/access.2020.3048311 fatcat:kcguz4gxpfc4rkzpmzj3dnwsja

A Review: Devices used for Detecting Diabetic Autonomic Neuropathy

2015 International Journal of Science and Research (IJSR)  
The pupil dynamics analysis has the potential for supporting such a screening approach.  ...  the Assessment of Diabetic Neuropathy Based Dynamic Pupillometry : The screening tool consists of CCD camera for capturing pupil images, IR LEDS to provide high pupil contrast, A built-in timing control  ...  The cost can be reduced by inclusion of open source soft-wares instead of using LABVIEW and MATLAB.  ... 
doi:10.21275/v4i11.nov151145 fatcat:rev57hxfkfblvohmj4mbdjyxqq

Automatic Detection of Genetic Diseases in Pediatric Age Using Pupillometry

Ernesto Iadanza, Francesco Goretti, Michele Sorelli, Paolo Melillo, Leandro Pecchia, Francesca Simonelli, Monica Gherardelli
2020 IEEE Access  
A different approach is thus needed, that exploits Chromatic Pupillometry, a technique increasingly used to assess outer and inner retina functions.  ...  An approach that combines hardware and software is proposed: a dedicated medical equipment (pupillometer) is used with a purposely designed custom machine learning decision support system.  ...  PUPILLOMETRY A novel approach to support the diagnosis of IRDs would be useful.  ... 
doi:10.1109/access.2020.2973747 fatcat:ul42q7slnbg5ditnltvtbj2a7m

Individual pupil size changes as a robust indicator of cognitive familiarity differences

Léon Franzen, Amanda Cabugao, Bianca Grohmann, Karine Elalouf, Aaron P. Johnson, Manuel Spitschan
2022 PLoS ONE  
Cognitive psychology has a long history of using physiological measures, such as pupillometry.  ...  Here, building on previous research, we present a pupillometry paradigm that adapts the pupil to stimulus properties during the baseline period without revealing stimulus meaning or context by using a  ...  Our results suggest that pupillometry is a valid approach to the measurement of brand familiarity that circumvents the biases associated with consumers' self-reports [1] .  ... 
doi:10.1371/journal.pone.0262753 pmid:35061832 pmcid:PMC8782349 fatcat:o2ps67vnuzeepfi3dk7k4t2k6q

Pupillary Responses to High-Irradiance Blue Light Correlate with Glaucoma Severity

Annadata V. Rukmini, Dan Milea, Mani Baskaran, Alicia C. How, Shamira A. Perera, Tin Aung, Joshua J. Gooley
2015 Ophthalmology (Rochester, Minn.)  
This approach could prove useful in detecting glaucoma.  ...  Purpose: To evaluate whether a chromatic pupillometry test can be used to detect impaired function of intrinsically photosensitive retinal ganglion cells (ipRGCs) in patients with primary open-angle glaucoma  ...  If pupillometry systems are shown to provide reliable detection of ocular diseases using short testing protocols, such low-cost and patient-friendly technologies could be used to screen for damage to the  ... 
doi:10.1016/j.ophtha.2015.06.002 pmid:26299721 fatcat:zwssj4lrlnd5rn35koteqiejwy

Essential Noninvasive Multimodality Neuromonitoring for the Critically Ill Patient

Frank A Rasulo, Tommaso Togni, Stefano Romagnoli
2020 Critical Care  
Recently, automated infrared pupillometry has been introduced into clinical practice, quickly gaining popularity due to its quantitative precision, low cost, noninvasiveness, bedside applicability, and  ...  easy-to-use technology, contributing to a modern precision-oriented approach to medicine.  ...  Funding Publication costs were funded by the corresponding author's private University funds (University of Brescia, Italy). Availability of data and materials Not Applicable.  ... 
doi:10.1186/s13054-020-2781-2 pmid:32204723 pmcid:PMC7092614 fatcat:fs2jyenimnaxfciw4vojlphacu

Best Practices and Advice for Using Pupillometry to Measure Listening Effort: An Introduction for Those Who Want to Get Started

Matthew B. Winn, Dorothea Wendt, Thomas Koelewijn, Stefanie E. Kuchinsky
2018 Trends in Hearing  
Within the field of hearing science, pupillometry is a widely used method for quantifying listening effort.  ...  Hence, there is a growing need for a methods paper on pupillometry covering topics spanning from experiment logistics and timing to data cleaning and what parameters to analyze.  ...  Acknowledgments This article was originally planned during the ''Pupillometry in Hearing Science'' workshop in Amsterdam, 2017.  ... 
doi:10.1177/2331216518800869 pmid:30261825 pmcid:PMC6166306 fatcat:xx5karsnzfcn3b4camjcaan6x4

Preprocessing pupil size data: Guidelines and code

Mariska E. Kret, Elio E. Sjak-Shie
2018 Behavior Research Methods  
pupillometry data.  ...  Pupillometry has been one of the most widely used response systems in psychophysiology.  ...  These studies have highlighted the potential of using low-cost pupil size measurement for diagnosis or to examine executive function deficits in early stages of the disorders.  ... 
doi:10.3758/s13428-018-1075-y pmid:29992408 fatcat:pqpuqy4mxva5blfogo3kczfpvu

Increased Postural Demand Is Associated With Greater Cognitive Workload in Healthy Young Adults: A Pupillometry Study

Melike Kahya, Tyler A. Wood, Jacob J. Sosnoff, Hannes Devos
2018 Frontiers in Human Neuroscience  
Conclusion: This study demonstrated support for increased cognitive workload, measured by pupillometry, as a result of changes in postural control in healthy young adults.  ...  Participants wore eye tracking glasses while standing on a force platform.  ...  A more robust design would be a combined approach in which EEG or fNIRS is used with pupillometry.  ... 
doi:10.3389/fnhum.2018.00288 pmid:30072883 pmcid:PMC6060438 fatcat:xg5zv4thpne5xgttcapbxphfnm

Improving the Performance of an EEG-Based Motor Imagery Brain Computer Interface Using Task Evoked Changes in Pupil Diameter

David Rozado, Andreas Duenser, Ben Howell, Mikhail A. Lebedev
2015 PLoS ONE  
improves over the traditional approach using just EEG derived features.  ...  We performed a user study with 30 participants using a typical EEG based motor imagery BCI.  ...  information rate throughput [8] , EEG-based BCIs are the predominant form of BCIs in the scientific literature due to the low cost of the technology, non-invasiveness, high temporal resolution and mobility  ... 
doi:10.1371/journal.pone.0121262 pmid:25816285 pmcid:PMC4376947 fatcat:zv7hbg5rl5flfnjp2a2tn6rzxy

Window to the Wandering Mind: Pupillometry of Spontaneous Thought While Reading

Michael S. Franklin, James M. Broadway, Michael D. Mrazek, Jonathan Smallwood, Jonathan W. Schooler
2013 Quarterly Journal of Experimental Psychology  
from a task; a key step in developing useful mind-wandering prediction algorithms.  ...  In the present study, PD was measured while participants advanced through a passage one word at a time.  ...  in both understanding and correcting the known costs of mind-wandering while reading (Schooler, Reichle, & Halpern, 2004) .  ... 
doi:10.1080/17470218.2013.858170 pmid:24313285 fatcat:5dbljaya7vh7dlaosdlqev3aie
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