Answer:We "tune out" others’ ideas that run counter to our own preconceived thoughts.
Explanation:
Grandstanding can be used to refer to someone wanting to be center of attention , they want the focus to be on them rather than on other people even if they may be doing that for meaningless reasons.
Grandstanding is that thing that one has about their ideas being grand than other people's ideas hence anything that doesn't align with their existing ideas will be surfed out.