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.

The Limb Girdle Muscular Dystrophies (LGMD) comprise at least a dozen different specific entities. Each of these distinct disorders is in itself rare.