Answer:
Huntington's Disease.
Explanation:
Familial AD (Alzheimer's disease) is the brain disorder that ultimately results in the loss of judgement and memory. This disease follows the pattern of autosomal dominant trait.
The other neurological disease that follows the same inheritance pattern as early-onset familial AD is Huntington's Disease. Huntington's Disease is also the autosomal dominant disease that affects the brain.
Thus, the answer is Huntington's Disease.
