To remember the right hand rule, write the xyz order twice: xyzxyz. 1  Next, find the pattern youâre looking for: 2  xy => z (x cross y is z) 3  yz => x (y cross z is x; we looped around: y to z to x) 4  zx => y.
Huntington disease is a progressive brain disorder that causes uncontrolled movements, emotional problems, and loss of thinking ability (cognition).Adult-onset Huntington disease, the most common form of this disorder, usually appears in a person's thirties or forties.untington disease is a progressive brain disorder that causes uncontrolled movements, emotional problems, and loss of thinking ability (cognition).
Huntington's disease is an inherited (genetic) condition that affects the brain and nervous system. Learn more about Huntington's Disease. 1  Print. 2  PDF. 3  Email. 4  Bookmark You must be signed in to bookmark pages. 5  Notes You must be signed into your pro account to make notes. 6  Listen Listen. 7  Translate Translate.