when we scratch ruff surfaces why do we create a ‘cringy’ sensation running through our body

Question: when we scratch ruff surfaces why do we create a 'cringy' sensation running through our body
- Keywords:
  body,
  sense,
  touch,
  touch, sense, skin
Asked by to Naomi, Mathew, Ian on 23 Jun 2014. This question was also asked by .
- Naomi Osborne answered on 23 Jun 2014:
  
  This is a very good question – I hate the sound of fingernails down a blackboard!
  
  It’s probably because it’s in the same frequency of sounds we associate with danger – like high-pitched screaming, making us feel uncomfortable.

Question: when we scratch ruff surfaces why do we create a 'cringy' sensation running through our body