Brain efficiency is linked to higher cognitive performance.

Your brain creates your entire perception of reality from electrical signals.

Fact #2730 · Psychology

Positive social interactions can reduce stress levels.

Fact #989 · Psychology

IQ scores above 145 are considered highly gifted.

Fact #2966 · Psychology

The Dunning-Kruger effect: people with limited knowledge tend to overestimate their own competence.

Fact #3351 · Psychology

The brain is 73% water — even mild dehydration can impair cognitive performance.

Fact #4133 · Psychology

About 85% of people experience significant anxiety at some point in their lives.

Fact #2786 · Psychology

The average person makes about 35,000 decisions per day, most of them unconsciously.

Fact #5003 · Psychology

Overconfidence bias is the most robust finding in judgment psychology — people routinely overestimate accuracy.

Fact #6132 · Psychology