Definition:A specific developmental disorder that involves significant limitations both in mental functioning and in adaptive behavior such as communicating, taking care of him or herself, and social skills.
Definition:A cognitive disorder where the memory is disturbed or lost and involves the loss of memories previously established, loss of the ability to create new memories, or loss of the ability to learn new information.
Definition:A congenital hypothyroidism characterized by a small thyroid gland with low free T4 levels and inappropriately normal levels of thyroid-stimulating hormone that has_material_basis_in hemizygous mutation in the IRS4 gene on chromosome Xq22.3.