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Cognitive Impairments

Cognitive impairments are common in CP. It is difficult to make generalizations about the specific relationship of CP and cognitive function because CP is a heteroge­neous disorder and the available literature often does not differentiate between the various types.

In addition, assessment of intellectual functioning can be difficult in patients with severe motor and communication diffi­culties, which may lead to an underestimation of cogni­tive function. An overestimation of cognitive function can occur in patients who are socially responsive. The overall frequency of mental retardation, defined as an IQ score of 69 or below, is reported to be 50% to 70% (43). In general, patients with more severe neu­romuscular impairments are at greater risk for cogni­tive impairments, but some patients with severe motor impairments can have normal cognition. For example, a patient with athetosis secondary to a discrete lesion in the basal ganglion is likely to have normal intelli­gence. It is important to attempt an accurate assess­ment of intelligence in order to assist in appropriate educational and vocational plans.

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Source: Alexander M.A., Matthews D.J.. Pediatric Rehabilitation: Principles and Practice. 4 th. åd. — New York: Demos Medical Publishing,2010. — 540 ð.. 2010
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