People push your buttons because they know they can, regardless of whether theyâre aware of it. What theyâre looking for is a negative reaction; they want you damaged and on the defensive, for whatever reason.
Horner syndrome is caused by damage to a certain pathway in the sympathetic nervous system. The sympathetic nervous system regulates heart rate, pupil size, perspiration, blood pressure and other functions that enable you to respond quickly to changes in your environment.
1 Wolf-Hirschhorn syndrome, which is caused by partial deletion of the short arm of chromosome 4. It is characterized by severe growth retardation and severe to profound mental retardation.  Down syndrome, usually is caused by an extra copy of chromosome 21 (trisomy 21).