Fragile X Syndrome Signs and Symptoms of Intelligence and Learning

Children and adults having Fragile X syndrome show different signs and symptoms. Even the symptoms vary in affected persons of the same family. Thus, it becomes hard to diagnose the Fragile X syndrome. However, as the affected individuals have a little FMRP, they may share some of the common social, physical, and sensory characteristics.

The research on Fragile X affected children and adults till date has shown the signs and symptoms listed below. In general, there are five categories which are listed as the signs and symptoms of Fragile X, one among them is intelligence and learning.

Intelligence and learning

Each individual affected with Fragile X may develop impaired intellectual functioning. This affects their ability of thinking, learning, and reasoning. In such cases, researchers have been using the intellectual test which is helpful to measure the intellectual functioning, with the result of IQ score. This score reflects not only the ability to think but many other things.

People with Fragile X may have many problems like hyperactivity, attention disorders, language processing and anxiety which interfere with learning and test-taking skills. Many people with Fragile X have these problems, because of this the individual IQ score seems to be less than their capabilities.


Researchers consider each individual based on his/her IQ score to have a mental impairment – mild to moderate, severely or profoundly, or an average intelligence. If a person has an IQ score between 85 to 115 then they are said to have an average intelligence. Less than 20% of the males on the whole who are affected with Fragile X have an IQ in this range. Some people have an IQ of 40 to 25, thus they are said to be severely or profoundly impaired. Some other people having an IQ of 40 to 85 are considered to have mental impairment – mild to moderate.

Women are likely to be less affected by Fragile X syndrome than men. Among women who have fully mutated FMR1 genes, only 1/3rd of them have an IQ within the mental retardation kind. They tend to have nearly normal cognitive development, or they may have a learning disability which lowers their academic achievement and their overall learning ability. For example, a women may score high grades in a subject but has lower grades than her grade level in that subject, because of learning disability even though her IQ is in the normal range.


There are many factors which influence intelligence, thus these people with fragile X syndrome also have both areas – strengths and weaknesses.


Thus for example, people having Fragile X syndrome are likely to have good memories for visual patterns and pictures, which help them to recognize words and letters. Thus, these individuals are able to follow the instructions which are demonstrated as pictures.


The main weakness for them is to think about planning ahead, organizing information, abstract ideas, and solving problems.

All children and adults who have Fragile X syndrome are capable of doing several things, but they require a special environment, special teaching methods, and some extra time than normal individuals. Most of the children will progress in the school and may develop some basic academic skills. Many adults can take care of themselves and can work at a job. But, they may usually do some steady progress.

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