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Tobii conference presentation by Dr. Anikar Haseloff, University of Hohenheim. A very simple test shows that dyslexics have very different eye movements to controls
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Dyslexia, ADHD and Eye-Tracking 1
Dr. Anikar Haseloff, University of Hohenheim
What are we trying to do?
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Dyslexia, ADHD and Eye-Tracking 2 Using Eye-Tracking we want to see, if there are differences in the visual patterns between children suffering from Dyslexia and/ or ADHD (Attention- deficit/hyperactivity disorder and normal children.
Our questions:
How can we use Eye-Tracking to discover visual patterns in children
What stimuli could be interesting (reading, pictures etc.)
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 3What Theories exist around Dyslexia and ADHD?
Little is known about those medical conditions. There are several theories, which identify different problems and causes.
Visual problems are one theory beside auditive and mental causes.
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 4Aim of the Study:
analysing visual patterns of children during visual tasks
analysing possible differences in visual behaviour between children with dyslexia, children with ADHD and normal children
help develop a pre-school dyslexia diagnosis lab test
help develop/optimise existing therapeutic approaches
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 5
The experiment
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 6Setting:
2 Pretests
Testing in occupational therapy center with 6 children (different diagnosis or strength of symptoms)
Testing in school with 10 children
Interviews with therapists and teachers
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 7
The stimuli
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 8
1: Text
Different reading levels need to be considered
We used normal text, text with mistakes, text/words without sense, text with missing words
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 9
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 10
Dr. Anikar Haseloff, University of Hohenheim
The results with text stimulis:
With Eye-Tracking we could see, that children who have problems with reading, have problems with reading.
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Dyslexia, ADHD and Eye-Tracking 111: Picture stimulis
In a second step we used stimulis that are used in diagnostics and therapy
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 15
Some interesting findings:
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 16
Julian, Normal child, tested in school
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 18
Amina, Normal child, tested in school
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 20
MarcoSuffers from dyslexia
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 22
Saverio, massive problems with reading
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 24
Dr. Anikar Haseloff, University of Hohenheim
Ailin, School. No problems.
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 26
Dr. Anikar Haseloff, University of Hohenheim
Madeleine, School. No problems.
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 28
Dr. Anikar Haseloff, University of Hohenheim
Laura, School. No problems.
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 30
Dr. Anikar Haseloff, University of Hohenheim
Marcel, Suffers from dyslexia.
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 32
Dr. Anikar Haseloff, University of Hohenheim
Marco, Suffers from dyslexia
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 34
Dr. Anikar Haseloff, University of Hohenheim
Saverio, Suffers from dyslexia
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Dyslexia, ADHD and Eye-Tracking 2
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 36
Problems
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 37 Hight of children
activity of children
medication
nervousness
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 38
What needs to be done
Dr. Anikar Haseloff, University of Hohenheim
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Dyslexia, ADHD and Eye-Tracking 39 test more children from each category
Develop different stimuli
Include motoric test before eye-tracking
Include experimental setting with and without noise
Dr. Anikar Haseloff, University of Hohenheim