Archive | September, 2025

Zeigarnik effect

The Zeigarnik effect describes the fact that people tend to remember unfinished tasks better than completed ones. It happens because “unfinished tasks create a cognitive burden, weigh more heavily on the mind, and are more easily recalled than completed tasks.” The effect was first described in the 1920s by Soviet psychologist Bluma Zeigarnik after observing…

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Can Oxytocin Change Mean People To Nice?

Having more oxytocin receptors in the brain might be the key difference between mean people and nice ones. In a study published in Biology Letters, researchers analyzed seven different closely related lemur species, noting which ones were egalitarian, which ones were male dominant, and which ones were female dominant. While the animal kingdom has many…

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