Classification of Learning Disability

Intelligence is a broad concept that includes the ability to reason, comprehend and make judgements. IQ [Intelligence Quotient] is the psychometric test used to assess intelligence. Intelligence is distributed in the population along a normal distribution curve. The average IQ is 100. IQs of 70 and over are considered normal.

Socio-economic factors may account for a variation in IQ by up to 20 points. Low IQ is related to lower socio-economic status, poverty, poor housing and an unstable family environment

Disease classifications ICD 10 and DSM 1V divide learning disability into 4 categories:

Amended April 2008