Related Experiment Video
Updated: Feb 4, 2026
08:00
Studying Brain Function in Children Using Magnetoencephalography
Published on: April 8, 2019
9.6K
Combining visual sensory functions and visuospatial orienting functions in children with visual pathology: A
Marlou J G Kooiker1, Hélène J M Verbunt2, Johannes van der Steen3
1Vestibular and Oculomotor Research Group, Dept. Neuroscience, Erasmus MC, Rotterdam, the Netherlands.
Brain & Development
|October 11, 2018
Summary
Visual sensory functions (VSF) and visuospatial orienting functions (VOF) show distinct developmental patterns in children with visual pathology. Comprehensive monitoring requires assessing both VSF and VOF for early detection and intervention.
Area of Science:
- Pediatric ophthalmology
- Developmental neuroscience
- Visual psychophysics
Background:
- Visual sensory functions (VSF) and visuospatial orienting functions (VOF) are crucial for cognitive development.
- Visual processing relies on the integrity of the visual system and attentional allocation.
- Understanding visual development in children with visual pathology is essential.
Purpose of the Study:
- To quantitatively assess visual sensory functions (VSF) and visuospatial orienting functions (VOF) over two years in children with visual pathology.
- To identify distinct patterns of VSF and VOF development across different types of visual impairments.
- To evaluate the complementary roles of VSF and VOF assessments in monitoring visual functioning.
Main Methods:
- Longitudinal quantitative follow-up of 77 children aged 1-13 years with diverse visual pathologies.
- Measurement of visual sensory functions (VSF) including visual acuity.
- Assessment of visuospatial orienting functions (VOF) including reaction time, fixation duration, and accuracy.
Main Results:
- VSF remained relatively stable, with exceptions in visual acuity. VOF showed prolonged reaction times, reduced fixation duration, and decreased accuracy compared to age norms.
- Children with peripheral pathology exhibited abnormal VSF and VOF, with significant changes in visual acuity and fixation inaccuracy.
- Children with central pathology generally had preserved VSF but often displayed delayed orienting reactions.
Conclusions:
- Distinct quantitative patterns of VSF and VOF over time differentiate visual pathology groups.
- VSF and VOF provide complementary information for a comprehensive assessment of visual functioning.
- Combined VSF and VOF assessments are recommended for early and thorough monitoring of visual development in children.
Related Concept Videos
01:16Sensory Functions of the Skin
8.1K
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
8.1K
01:16Combining Functions
241
Functions can be combined to form new mathematical models that describe interactions between variables. These combinations are fundamental in understanding relationships between changing quantities and are commonly encountered in scientific and engineering contexts. The combination methods—addition, subtraction, multiplication, division, and composition—each have unique implications for the resulting function’s domain and behavior.When combining functions through arithmetic...
241
02:45Functional Groups
88.6K
Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
88.6K
02:45Functional Groups
24.4K
24.4K
01:26Longitudinal Studies
528
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
528
01:31What is a Sensory System?
101.1K
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
101.1K