Conditions

The label "learning disorders" describes a syndrome, not a specific child with specific problems. The definition assists in classifying children, not teaching them. Children with learning disabilities may exhibit a combination of characteristics.

The term leukodystrophy is used for a group of rare genetic diseases that involve the brain and/or spinal cord’s white matter. Currently, over 40 different leukodystrophies have been described.

Leukoencephalopathy with brainstem and spinal cord involvement and lactate elevation (commonly referred to as LBSL) is a progressive disorder that affects the brain and spinal cord.

Patients with LGMD usually begin to have symptoms in adolescence or early adulthood; however, some forms of LGMD are more severe, with symptoms beginning in childhood. Typically, these symptoms include weakness in the shoulders, hips, upper arms and legs. For example, patients may have progressive...