Related Experiment Video
Updated: Jul 4, 2025
05:32
Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos
Published on: December 7, 2018
9.0K
Visual and auditory attention defects in children with intermittent exotropia
Cong Wei1,2, Ding-Ping Yang1, Yan Yang1
1Zhong Shan Ophthalmological Center, Sun Yat-sen University, Guangzhou, Guangdong, China.
Italian Journal of Pediatrics
|January 25, 2024
Summary
Children with intermittent exotropia (IXT) exhibit lower visual and auditory attention compared to their peers. Early onset of strabismus is a key factor influencing attention deficits in these children.
Area of Science:
- Ophthalmology
- Neuroscience
- Developmental Psychology
Background:
- Intermittent exotropia (IXT) is linked to increased psychiatric abnormalities, including attention deficits, in children.
- Understanding attention deficits in IXT is crucial for cognitive development assessment.
Purpose of the Study:
- To investigate visual and auditory attention in children with IXT.
- To evaluate the association between attention, clinical characteristics, and cognitive development in IXT.
Main Methods:
- Comparative study involving 49 children with IXT and 29 controls.
- Utilized the Integrated Visual and Auditory Continuous Performance Test (IVA-CPT) for attention assessment.
- Assessed cognitive function using the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV).
Main Results:
- Children with IXT demonstrated significantly lower scores in visual and auditory attention and response control.
- Attention levels correlated with the age of strabismus onset but not with strabismus severity or binocular vision status.
- Audiovisual attention was significantly associated with cognitive development.
Conclusions:
- Children with IXT exhibit deficits in visual and auditory attention and control.
- Age of strabismus onset is a significant predictor of attention impairments in IXT.
Related Concept Videos
01:16Focusing of Light in the Eye
2.8K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
2.8K
01:17Accessory Structures of the Eye
1.6K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
1.6K