Von Restorff effect - Wikipedia (the most different stimulus is remembered)
https://en.wikipedia.org/wiki/Von_Restorff_effect
The von Restorff effect, also known as the "isolation effect", predicts that when multiple homogenous stimuli are presented, the stimulus that differs from the rest is more likely to be remembered.
Less pronounced among the elders
Nel mezzo del deserto posso dire tutto quello che voglio.