Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Photoreceptors and Visual Pathways

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Exploratory Study on Microbiota and Immune Responses to Short-Term <i>L. paracasei</i> CNCM I-1518 Consumption in Healthy Adults.

Nutrients·2025

Same author

Viability of the temporoparietal fascia flap in closure of skull base defects. a radioanatomical study.

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India·2025

Same author

Anatomical limits of the parapharyngeal space using a transoral endoscopic approach - Radioanatomical study in cadaver.

European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·2025

Same author

Correlations Between Disability Score, Optical Coherence Tomography and Microperimetry in Patients with Multiple Sclerosis.

Eye and brain·2024

Same author

NEIVATECH pilot study: immersive virtual reality training in older amblyopic children with non-compliance or non-response to patching.

Scientific reports·2024

Same author

Prospective, Randomized, Double-Blind Parallel Group Nutritional Study to Evaluate the Effects of Routine Intake of Fresh vs. Pasteurized Yogurt on the Immune System in Healthy Adults.

Nutrients·2024

Search research articles

Related Experiment Video

Updated: Jul 6, 2026

Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis

Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis

Published on: October 13, 2016

Accounting for Visual Field Abnormalities when Using Eye-tracking to Diagnose Reading Problems in Neurological

Carla D Guantay^1,2, Laura Mena-García¹, Miguel Ángel Tola-Arribas^3,4

¹Instituto Universitario de Oftalmobiología Aplicada (IOBA Eye Institute), Universidad de Valladolid, Valladolid, Spain.

Journal of Eye Movement Research

|September 6, 2024

Summary

Visual field defects in patients with brain damage significantly alter reading gaze patterns. Eye-tracking reveals longer reading times, more fixations, and increased saccades, impacting diagnosis.

Keywords:

area of interest eye movement eye tracking gaze neurological degeneration reading saccades

More Related Videos

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Published on: October 18, 2018

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

Related Experiment Videos

Last Updated: Jul 6, 2026

Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis

Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis

Published on: October 13, 2016

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Published on: October 18, 2018

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

Area of Science:

Ophthalmology
Neuroscience
Clinical Research

Background:

Eye-tracking technology aids in diagnosing reading difficulties by analyzing gaze paths.
Visual field defects can significantly interfere with current eye-tracking interpretation methods for reading.

Purpose of the Study:

To investigate the impact of visual field defects on reading gaze path patterns.
To inform the development of reading diagnosis methodologies that account for neurological pathologies.

Main Methods:

A pilot clinical study involving 45 patients with neurological disorders and 30 controls.
Ophthalmologic, neuropsychologic, and eye-tracker examinations using word and number reading tests.

Main Results:

Patients with brain damage and altered visual fields exhibited significantly longer reading times (p < 0.001).
These patients also showed a greater number of fixations (p < 0.001) and saccades (p = 0.04) during reading.
Objective differences in eye movement characteristics were observed in patients with reading difficulties due to neurological conditions.

Conclusions:

Neurological diseases and altered visual fields demonstrably affect eye movement patterns during reading.
These findings highlight a potential bias factor in current eye-tracking diagnostic methods.
Further research is warranted to integrate these findings into comprehensive reading assessment tools.