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VISUAL PERCEPTUAL/VISUAL MOTOR DEFICIT

Definition

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Definition

As defined by the integrated learning academy, visual perceptual/motor deficit is a learning disability “that affects the ability to understand information gathered through visual means” (Integrated Learning Academy 2016) .With this disability “sensory data obtained through seeing may be compromised due to defects in the way a person’s eyes move. These kinds of ocular defects can impair reading comprehension skills, lead to short attention span, and negatively impact one’s ability to draw or copy information.” (Integrated Learning Academy 2016)

People with this disorder have difficulty interpreting or processing information taken in through the eyes.

The eyes of people with this disability struggle with performing the following functional motor movements. (Integrated Learning Academy 2016)

  • Smooth Pursuits –the eyes ability to smoothly follow a moving object, people with this motor deficit have trouble driving or playing sports for example

  • Saccades – the eyes ability to smoothly jump between two objects, people with this motor deficit may have trouble reading as they have to move from letter to letter within small print

  • Convergence & Divergence – the eyes ability to focus on things nearby or far away, people with this motor deficit have problems with depth perception and causes several other visual perceptual issues

Signs & Symptoms

The following are things that parents and teachers should look out for in order to identify a child with this learning disability. (Learning Disabilities Association of America 2018)

  • Letter reversals (b & d) (p and q)

  • Unable to copy notes accurately from textbook

  • Struggles to cut or paste

  • Complains eyes hurt and itch

  • Rubs eyes

  • Print blurs while reading

  • Loses place frequently

  • Closes one eye while reading

  • Does not recognize and object or word if only part of it is available

  • Holds writing utensil too tightly

  • Breaks tips of crayons and pencils often

  • Handwriting deficits – letters colliding, irregular spacing between letters, not writing on the lines

  • Difficulty navigating around campus or school

  • Bumps into things

  • Cant remember phone numbers

  • Skips lines when reading or reads lines over and over again

Visual Processing Issues that arise with this learning disability (Arky 2014) (Integrated Learning Academy 2016)

  • Visual Discrimination Issues: Difficulty seeing the difference between similar shapes, letters, or objects

    • Ex. Mixing up letters such as d and b, or p and q

  • Visual Figure-ground Discrimination Issues: Struggle to distinguish a shape or letter from its background

  • Visual Sequencing Issues: Difficulty telling the order of symbols, words, or pictures.

    • Ex. May skip lines when reading or read the same line over and over again

  • Visual-motor Processing Issues:

  • Long- or Short-term Visual Memory Issues: Trouble using what they see to coordinate with the way they move

    • Ex. Struggle to write within lines

    • Ex. Bump into objects while walking

  • Visual-spatial issues: Difficulty telling where objects are in space in regard to how far/close they are from them and each other

  • Visual Closure Issues: Difficulty identifying an object when only parts are visible

    • Ex. Not know a picture was a truck if the wheels are missing

    • Ex. Difficult to spell as letters are missing

  • Letter and Symbol Reversal Issues: Switch letters or numbers when writing

    • Ex. M and W

Instructional Strategies

The following are strategies that teachers can use to help student’s with this learning disability. (Learning Disability Association of America 2018) (National Center for Learning Disabilities (NCLD) 1999)

  • Avoid grading handwriting

  • Suggest use of pencil grips or specially designed writing utensils

  • Allow use of computer and word processor

  • Provide tracking tools ex. Ruler, Compass

    • Make a reading window with an index card, blocks out peripheral material

  • Use large print books or text

  • Provide books on tape

  • Use different types of paper such as pastels, graph

  • Offer alternative assignments for writing tasks

    • Allow student to dictate creative stories

  • Play memory games with student

  • Raise lines on paper or make them darker

  • Accommodations in testing or homework worksheets

    • Ex. Highlighting a group of words in word box orange and highlighting the questions that obtain those words orange and the same with yellow for the other half of the questions

    • Helps narrow down and makes it easier for children with this disability to look for and find answer and narrows options down.

Useful Websites
Research 
  • https://www.ncbi.nlm.nih.gov/pubmed/23918899

    • Murdoch Children’s research Institute in Australia conduct a study which concluded that babies born with a lower birth rate or born prematurely are more likely to have visual perception issues and identifies these as causes of this learning disorder after comparing to term-born infants of higher birth rates.

  • https://www.ncbi.nlm.nih.gov/pubmed/18698516

    • This experimental research conducted by the University of Montreal in Canada has stated to find research indicating that children with traumatic brain injury are more sensitive to visual things and more likely to have visual impairments. However, more research needs to be conducted to prove this.

  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5428689/

    • This research provides further evidence as described by many sources on this disability that visual perception/motor deficit is not a cause of or from but normally in association with  students with other learning disabilities such as dyslexia or ADHD

Sources 

“Parents.” Learning Disabilities Association of America, ldaamerica.org/types-of-learning-disabilities/visual-perceptual-visual-motor-deficit/.

“Visual and Auditory Processing Disorders.” Visual and Auditory Processing Disorders | LD Topics | LD OnLine, www.ldonline.org/article/6390/.

Integrated Learning Academy. “Visual Perceptual Motor Deficit - Integrated Learning Academy Boulder CO.” Integrated Learning Academy, Integrated Learning Academy, 21 Nov. 2016, integratedlearningacademy.com/visual-perceptual-motor-deficit/.

Arky, Beth. “Understanding Visual Processing Issues.” Understood.org, www.understood.org/en/learning-attention-issues/child-learning-disabilities/visual-processing-issues/understanding-visual-processing-issues.

Brosseau-Lachaine, O, et al. “Mild Traumatic Brain Injury Induces Prolonged Visual Processing Deficits in Children.” Brain Injury., U.S. National Library of Medicine, Aug. 2008, www.ncbi.nlm.nih.gov/pubmed/18698516.

Molloy, C S, et al. “Visual Processing in Adolescents Born Extremely Low Birth Weight and/or Extremely Preterm.” Pediatrics., U.S. National Library of Medicine, Sept. 2013, www.ncbi.nlm.nih.gov/pubmed/23918899.

“What Is Visual Processing Disorder?” Churchillstl Design, www.churchillstl.org/learning-disability-resources/visual-processing-disorder/.

Sigurdardottir, Heida Maria, et al. Scientific Reports, Nature Publishing Group UK, 2017, www.ncbi.nlm.nih.gov/pmc/articles/PMC5428689/.

“Visual Perception.” Kid Sense Child Development, childdevelopment.com.au/areas-of-concern/fine-motor-skills/visual-perception/.

“VISUAL PERCEPTION: Possible Impact on a Child's Success at School & Home.” Tools To Grow,              www.toolstogrowot.com/blog/2016/03/13/visual-perception-possible-impact-on-a-child-s-success-at-school-home.

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