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Facts about Visual Memory

Memory is the retention of information over time. Visual memory involves the ability to store and retrieve previously experienced visual sensations and perceptions when the stimuli that originally evoked them are no longer present. That is, the person must be capable of making a vivid visual image in his mind of the stimulus, such as a word, and once that stimulus is removed, to be able to visualize or recall this image without help.

Various researchers have stated that as much as eighty percent of all learning takes place through the eye with visual memory existing as a crucial aspect of learning.

Learning-disabled students have visual memory deficits

Most learning-disabled students have serious deficiencies in the area of visual memory, states Addie Cusimano in her book Learning Disabilities: There is a Cure. “Children who have not developed their visual memory skills cannot readily reproduce a sequence of visual stimuli. They frequently experience difficulty in remembering the overall visual appearance of words or the letter sequence of words for reading and spelling. They may remember the letters of a word but often cannot remember their order, or they may know the initial letter and configuration of the word without having absorbed the details, that is, the subsequent letters of the word. As a result, these students fail to develop a good sight vocabulary and frequently experience serious writing and spelling difficulties.”

Visual memory significantly related to math achievement

Visual memory is also significantly related to mathematics achievement, according to a study by Marjean Kulp et al.

One hundred seventy-one children with a mean age of 10.08 years participated the study. Conducted at the Ohio State University College of Optometry in 2004, the study was designed to determine whether or not performance on tests of visual perception could predict the children with poor current achievement in mathematics.

Visual perception refers to the process of interpreting and organizing visual information. Visual perceptual skill is often subdivided into areas such as visual discrimination and visual memory. Visual discrimination involves the ability to attend to and identify a figure’s distinguishing features and details, such as shape, orientation, color and size. Visual memory refers to the ability to remember a visual image.

Controls for age and verbal cognitive ability were included in all regression analyses because the failure to control for verbal ability has been a criticism of some literature investigating the relation between visual and academic skills.

Kulp et al. concluded: “Poor visual perceptual ability is significantly related to poor achievement in mathematics, even when controlling for verbal cognitive ability. Therefore, visual perceptual ability, and particularly visual memory, should be considered to be amongst the skills that are significantly related to mathematics achievement.”

Role of visual memory in math confirmed

A research study (2013) by Dr. Dénes Szűcs and team from the University of Cambridge, UK set out to compare various potential theories of dyscalculia in more than a thousand 9-year-old children.

Dyscalculia refers to a severe math learning difficulty, which affects roughly 6 percent of school children. These children show normal intelligence and their reading skills may be perfect. Dyscalculia is often described as “like dyslexia, but for math.”

Children with dyscalculia often have difficulty understanding numerical quantity. For example, they find it difficult to connect abstract symbols, such as a number, to the numerical magnitude it represents. They can’t see the connection, for instance, between five fingers and the number ‘5’. This is similar to children with dyslexia who have difficulty connecting sounds with letters. Children with dyscalculia may also have difficulty memorizing math tables, counting or skip counting in sequence and telling time. They may struggle with basic addition, subtraction, multiplication and division concepts, often needing to rely on alternative methods to solution problems (counting on fingers, drawing diagrams, etc.).

The researchers found that children with dyscalculia showed poor visuo-spatial memory performance. For example, they performed poorly when they had to remember the locations of items in a spatial grid. In addition, dyscalculic children’s ability to resist distraction from irrelevant information was also weak. For example, on a task where they had to choose which of two animals was larger in real life they performed poorly when the real-life larger animal was smaller in its display size.

The findings challenge the notion that dyscalculia is characterized by problems with a specialized ‘number sense’ because this number sense was intact in this sample of children with dyscalculia.

Village Eskimo children have superb visual memory


A test of visual memory was given to 501 urban Caucasian and 125 village Eskimo children. Village Eskimo children demonstrated significantly higher levels of visual memory. Visual memory was also found to increase significantly with age.

In contrast to the striking visual differences of the urban environment, the Arctic is a world of visual uniformity. The flat, monotonous tundra and piled sea ice provide few distinctive visual markers to guide the hunting on which survival in part depends. In order to hunt and find their way back to the village, the Eskimo must attend to very small visual cues and their patterned relationships such as upturned rocks or the angle of the Big Dipper at different times of the day. Caucasians who have traveled with the Eskimo frequently remark upon their extraordinary ability to travel through what seems to be a featureless terrain by closely observing the smallest landmarks and memorizing their spatial locations.

Edublox improved visual memory by 1.3 years in 5 days

In an interesting research study, chiropractor Dr. Jaidan Mays compared the effects of Edublox training versus Edublox training combined with cervical spinal manipulative therapy on visual memory and visual sequential memory.

Thirty-four Grade 5, 6 and 7 learners from an inner city school participated in Mays’s study. Two subtests of the Test of Visual Perceptual Skills were used to assess the visual memory and visual sequential memory of the learners. They were then divided into two equal groups.

The members of the first group (the Edublox Group) were trained by an Edublox tutor for 22.5 hours over a period of five days. A holistic Edublox program was followed, which included auditory and reading exercises. The members of the second group (the Edublox and Adjustment Group) received the same Edublox training as the first group. But this second group also received cervical adjustment therapy every morning for the five-day period. The assessment was repeated after the five days.

The results: The mean Visual Memory Skills Test POST score across both groups was significantly higher than the mean Visual Memory Skills Test PRE score. The mean score across both groups improved from 6.2 years to 7.5 years. As the graph illustrates, the Edublox Group improved slightly more than the Edublox and Adjustment Group (an improvement from 6.3 to 7.8 years versus an improvement from 6.2 to 7.1 years).

© Edublox


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