This article highlights the scientific contributions of nineteenth-century German researchers in describing neuropsychologic dysfunction and in conceptualizing and cerebrally localizing clinical syndromes associated with learning disabilities. Noted are contributions of Pierre Paul Broca, Carl Wernicke, Ludwig Lichtheim, Hugo Karl Liepmann, B.…

The Individuals with Disabilities Education Act of 1997 (IDEA 1997) and Individuals with Disabilities Education Improvement Act of 2004 (IDEA 2004) define specific learning disabilities in a similar manner. "The term "specific learning disability" means a disorder in one or more of the basic psychological processes involved in…

Describes recent research findings in the area of neurobiology and its relationship to learning and memory. The article provides definitions of associative and nonassociative learning, identifies essential memory trace circuits of the mammalian brain, and discusses some neural mechanisms of learning. (TW)