The aim of human brain grafting is to deliver adequate amounts of endocrine or neural tissue to neurodegenerated areas of the diseased or lesioned brain for functional recovery. The many options available make brain grafting and other neural grafting procedures potentially applicable for the treatment of varied alterations of the central nervous system, such as Parkinson's disease (PD), Huntington's disease (HD), Alzheimer's disease, epilepsy, amyotrophic lateral sclerosis, spinal cord lesions, assorted traumatic lesions to the central nervous system, stroke, etc.