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4 methods to assess Alzheimer’s with eye tracking
This learn article presents four ways eye tracking could aid early Alzheimer’s assessment.
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Clinical research
Eye tracking elucidates disease development by capturing subtle changes in eye movements linked to brain and eye disorders. It aids clinical researchers in identifying new biomarkers and creating assessment tools.
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We have had a great experience using Tobii Pro Fusion and Tobii Pro Lab. It is easy to extract the numerical results from the Tobii Pro Lab software. We have even created a custom software program to upload the Tobii Pro Lab databases and calculate the optometric parameters needed in every optometric test we performed.
Dr. Ana Sanchez-Cano and Dr. Elvira Orduna-Hospital
Research scientists, UNIVERSITY OF ZARAGOZA, Spain
Eye tracking is an easy way to assess the patients, especially regarding their cognitive status, as a complementary measurement. It has the advantage of being less dependent on factors like stress and educational level.
Dr. Panagiota Tsitsi, Ph.D
NEUROLOGIST, KAROLINSKA INSTITUTE, Sweden
Neurodegenerative diseases
Neurodegenerative diseases
Eye tracking allows studying changes in cognitive and oculomotor functions and viewing behavior in diseases like Alzheimer’s and Parkinson’s. Our plug-and-play eye trackers are fast to calibrate and can robustly track eye movements while allowing for comfortable seating without head fixation. This is crucial for the elderly participants, who might suffer from tremors or degenerative cervical spine changes.
Use cases
Discover how Tobii eye trackers are used to study neurodegenerative diseases.
Customer stories
Eye tracking in visual perception analysis for Alzheimer's disease patients
Researchers from the National University of Colombia (UNAL) analyzed eye movement in seven patients with Alzheimer's disease.
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Customer stories
Tracking eye movements to diagnose Parkinson’s disease
Karolinska Institute explored the possibility of using eye tracking as a prospective diagnostic tool for Parkinson’s disease, and their quest yielded exciting results.
Learn moreNeurological conditions
Neurological conditions
Eye tracking research contributes to a better understanding of the underlying mechanisms of various neurological conditions, such as Rett and Tourette syndrome, traumatic brain injury, or stroke. It can help elucidate the neural pathways involved in oculomotor control, cognitive function, and sensory processing and how these functions may be disrupted in different disorders.
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Discover how Tobii eye trackers are used to study neurological conditions.
Customer stories
Eye tracking sheds light on social anxiety
Studies show that people with social anxiety pay more attention to negative facial expressions. An eye tracking study confirmed this theory and revealed that training people to focus on positive stimuli can lead to a reduction in this bias.
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Customer stories
Eye tracking gives Rett syndrome patients a voice
At the Rett Syndrome Center at Montefiore, NY, eye tracking technology was used to compare patterns of visual processing in Rett syndrome patients and non-Rett control subjects.
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Report and papers
Eye tracking in neurology and psychiatry research
Download this white paper to discover how measuring eye movements can provide insights into various brain conditions and aid early disease detection.
Learn moreOphthalmology
Ophthalmology
Eye tracking can be used to study eye diseases like glaucoma, lazy eye, and strabismus. The technology helps researchers quantify eye movement patterns related to visual perception, reading behaviors, and the effect of eye treatment and medications. This research can advance understanding of eye disorders and develop more effective treatments.
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Discover how Tobii eye trackers are used to study Ophthalmology.
Customer stories
Revolutionizing optometric tests with eye tracking
The University of Zaragoza latest research focuses on eye tracking applications in the field of optometry and ophthalmology. Using Tobii Pro Fusion, the team validated two eye tracking-based optometric tests.
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Customer stories
Eye tracking for vision research
Cardiff University's School of Optometry and Vision Sciences used eye tracking from Tobii to explore eye movement in people with sight issues. The researchers looked at how environmental factors affected vision deficits.
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Customer stories
Eye tracking as a diagnosis tool for eye movement disorders—a look at nystagmus
This study focuses on eye movement disorders, in particular nystagmus, and the possibility of using eye tracking as an established form of diagnosis tool.
Learn moreRelevant publications — Tobii Pro Fusion
Impaired empathic accuracy following damage to the left hemisphere
Jospe and colleagues (2022) further investigated why strokes can lead to a decline in emotional understanding. They assessed patients with chronic damage in the left and right hemispheres. The researchers used an empathic accuracy naturalistic task together with eye tracking methods with Tobii Pro Fusion to explore patient understanding of the effect of others.
Optical and motor changes associated with lighting and near-vision tasks in electronic devices
Orduna-Hospital and colleagues (2023) assessed optical and motor changes associated with near vision reading under different light conditions of electronic screens. The study participants read a text of varying luminance levels while movements were recorded with Tobii Pro Fusion eye tracker. The study results showed differences in saccade eye movements influenced by the configuration and luminance levels of the screen.
Health-related quality of life assessment with older people in residential care: insights from the application of eye tracking technology
Milte and colleagues (2023) used Tobii Pro Fusion to understand how older people in residential care homes fill out a quality-of-life questionnaire. While completing the questionnaires, they investigated differences between individuals with and without cognitive impairment. The study results provided novel insights into the assessment in older people where cognitive impairment is highly prevalent.
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