When it comes to pain, why is our initial reaction to grab/hold the affected area despite the possibility of causing more pain?

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For example, burns. Anyone who has been burned knows how painful it is by itself, let alone the additional pain caused by touching the burn area. Yet, on subsequent burns, the same reaction is given initially. In contrast to the initial reaction, we avoid and stay away from the possibility of it being touched (flinching).

What is our brain actually doing during these reactions?

In: Biology

There’s a theory that the mechanoreceptors (pressure receptors) can overpower the nociceptors (pain receptors) in your skin. Hence the scientific fact that we all want someone to give kissy kissies our boo boos wah wahs.