learning disability

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various cognitive or neurological disorders, such as dyslexia and aphasia, that impede academic skills, especially those relating to language or mathematics.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun UK developmental disability

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a disorder found in children of normal intelligence who have difficulties in learning specific skills