The amygdala processes fear and emotional responses and can trigger the fight-or-flight reaction in milliseconds.

The checker shadow illusion alters perception of color brightness.

Fact #1492 · Psychology

The halo effect causes one positive trait to influence overall perception.

Fact #1471 · Psychology

Fish can experience stress and recognize threats.

Fact #2541 · Psychology

Your perception is constructed.

Fact #2369 · Psychology

People who read fiction consistently score higher on empathy tests than those who don't.

Fact #3584 · Psychology

Optimism bias causes people to underestimate their personal risks.

Fact #3039 · Psychology

Materialism holds that only physical matter exists — all mental phenomena are physical processes.

Fact #5546 · Psychology

Nutmeg is hallucinogenic in large doses due to the compound myristicin — but the lethal dose is very small.

Fact #4320 · Psychology