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What Role Do Genetics Play PowerPoint PPT Presentation


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What Role Do Genetics Play . In The Learning Process? . The IQ Of A Child Is Related To The IQ Of The Parent. . Scientists call this a concordance rate. Children have a concordance rate of about .50 with their parent for IQ.

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What Role Do Genetics Play

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What role do genetics play l.jpg

What Role Do Genetics Play

In The Learning Process?


The iq of a child is related to the iq of the parent l.jpg

The IQ Of A Child Is Related To The IQ Of The Parent.

  • Scientists call this a concordance rate.

  • Children have a concordance rate of about .50 with their parent for IQ.

  • So if intelligence is related, it was natural to expect that research would find that learning disabilities are also related.


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Scientific Research Supported The Premise That…

  • Genetics play a role in learning disabilities.

  • However, this is a complex area to study since there is great variety in the number and types of disabilities.


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  • While learning disabilities tend to run in families, their presentation differs from the parent to the child.

  • Children who lack skills needed for reading, such as hearing the separate sounds of words, often have a parent with a related problem.


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  • The parent's learning disability may take a slightly different form in the child.

  • A parent who has a Writing Disorder may have a child with an Expressive Language Disorder.


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It is unlikely that specific learning disorders are inherited directly.

More likely, what is inherited is a subtle brain dysfunction that can lead to a learning disability.


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However,

While genetics may be partly responsible for learning disorders, it is likely that environment also plays an importance in their development.


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Twin Studies

  • Allow the relationship of genetics and environment to be studied separately.

  • In studies of identical (monozygotic) twins raised separately, the concordance rate for reading disorders was .68.

  • This points to a high correlation between genetics and learning issues.

  • However since it is not 100% there are still other influencing factors.


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Therefore…

  • Some learning difficulties may stem from the family environment.

  • If parents have an Expressive Language Disorder they may verbally interact less with their children,

  • or the language they use may be full of grammatical errors.


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This is not classified as a disability….

Although the child lacks the stimulation and/or the support for acquiring language, and therefore, may appear learning disabled…

this may not be the case…


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  • Adequate testing should elucidate the exact etiology of the difficulty.

  • And as the child gains exposure and skill, the apparent disability should disappear.


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Learning Disabilities Do Not Disappear

  • A Developmental Delay occurs when the student is not exposed to the material.

  • Once the student is exposed to the material, the problem is alleviated.

  • With a learning disability a student is repeatedly exposed to the material but has difficulty understanding it. This is a life-long problem. While a student may learn to work with the problem, it does not disappear even with repeated exposure.


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Therefore….

A learning delay (Developmental Disorder) should eventually disappear

whereas

A Learning Disability is related to brain function and is permanent.


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Regardless Of The Cause…

Students with learning problems can be taught different methods that will help them succeed.

  • In the case of developmental delay, the problem is temporary.

  • With Learning Disabilities, the problem is permanent and the individual uses remediation techniques to compensate.


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More information about learning disabilities and cortical function can be found on other Power Point Presentations

The David Program


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The David Center

JoAnn Curcio Cohen, Ph.D.

Licensed Psychologist

Learning Specialist

The David Center

LaSalle College High School


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