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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

What Role Do Genetics Play

In The Learning Process?

the iq of a child is related to the iq of the parent
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.
scientific research supported the premise that
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.
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.
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.
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.


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

twin studies
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.
  • 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.
this is not classified as a disability
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…

Adequate testing should elucidate the exact etiology of the difficulty.
  • And as the child gains exposure and skill, the apparent disability should disappear.
learning disabilities do not disappear
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.

A learning delay (Developmental Disorder) should eventually disappear


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

regardless of the cause
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.
More information about learning disabilities and cortical function can be found on other Power Point Presentations

The David Program

the david center
The David Center

JoAnn Curcio Cohen, Ph.D.

Licensed Psychologist

Learning Specialist

The David Center

LaSalle College High School