What Changes May Occur in Intelligence Quotients (IQ) Over Time?
Some males with fragile X syndrome show a decline in their IQ scores after puberty . This does not mean fragile X is a degenerative disease. It does not mean that these boys have lost skills that they had previously acquired. They can still learn new skills. However, it seems for some males there is a decline in the rate of learning. Some explanations for this decrease are based upon the properties of IQ tests and the changes in the tests over various ages. At the early childhood level, there are many items such as single word vocabulary and visual matching tasks. By middle childhood, more abstract thinking and symbolic language are required, and wordings of questions are more complex. Boys with fragile X may remain more concrete in their thinking, while their age-mates are becoming more abstract thinkers. So, the gap between their scores widens. Another explanation for the decline in IQ is that the regulatory factors responsible for the initiation of puberty may play an important role
Some males with fragile X syndrome show a decline in their IQ scores after puberty . This does not mean fragile X is a degenerative disease. It does not mean that these boys have lost skills that they had previously acquired. They can still learn new skills. However, it seems for some males there is a decline in the rate of learning. Some explanations for this decrease are based upon the properties of IQ tests and the changes in the tests over various ages. At the early childhood level, there are many items such as single word vocabulary and visual matching tasks. By middle childhood, more abstract thinking and symbolic language are required, and wordings of questions are more complex. Boys with fragile X may remain more concrete in their thinking, while their age-mates are becoming more abstract thinkers. So, the gap between their scores widens. Another explanation for the decline in IQ is that the regulatory factors responsible for the initiation of puberty may play an important role
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- What Changes May Occur in Intelligence Quotients (IQ) Over Time?
