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Psychology Facts
893 facts in Psychology. Click any fact to see its full page.
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Confabulation — fabricating plausible but false memories — occurs in healthy people during normal recall.
Near-death experiences are reported across cultures but differ in content — suggesting some elements are culturally constructed.
The 'cocktail party effect' allows selective attention — your brain filters out noise to focus on relevant input.
Sensory gating reduces the brain's response to repeated stimuli — explaining why you stop noticing background noise.
The mind-wandering that occupies 47% of waking hours is associated with unhappiness in real-time studies.
Children begin to develop a theory of mind — understanding others have different beliefs — around age 4.
Anosmia — loss of smell — is often associated with depression and cognitive decline, indicating deep neurological links.
Split-brain patients (corpus callosum severed) behave as if they have two separate minds in one skull.
Dissociation — feeling detached from one's body or surroundings — is a common response to trauma.
Humans have limited conscious attention — we can track about 4 objects simultaneously in visual working memory.
Optical illusions reveal the brain's shortcuts — rather than seeing reality, we see the brain's best predictions.
People consistently underestimate how much their future preferences will change — called the 'end of history illusion.'
The phenomenon of déjà vu may be caused by a brief mismatch between memory encoding and recognition.
The brain can generate hallucinations during sensory deprivation — the brain fills silence with invented input.
The brain makes decisions before conscious awareness — studies show unconscious activity precedes conscious choice by up to 10 seconds.
Prosopagnosia — face blindness — affects about 2% of the population and is often undiagnosed.
The brain creates a unified experience of reality from separate visual, auditory, and sensory inputs in different processing speeds.
The brain's reward system releases dopamine in anticipation of a reward — desire drives more dopamine than satisfaction.
Humans are unusually good at reading emotional states from the eyes — a skill called the 'reading the mind in the eyes' test.
Chronic stress physically alters brain structure — shrinking the prefrontal cortex and enlarging the amygdala.
The brain interprets time differently depending on emotional state — fear makes time feel slower.
The sensation of tickling cannot be self-induced — your brain predicts and suppresses the response.
The human brain generates about 70,000 thoughts per day.
Synesthesia — experiencing one sense as another — affects about 4% of the population.
The brain can predict the future by continuously modeling the world and comparing expectations to reality.
Phantom limb pain occurs when the brain receives no input from an amputated limb and misinterprets it as pain.
Humans can detect differences in facial expression in as little as 33 milliseconds.
Phobias can be transmitted culturally — children model fear responses from observing caregivers.
Intrinsic motivation produces better long-term performance than extrinsic rewards.
Children as young as 3 show a preference for fairness, suggesting moral intuitions are partly innate.
The foot-in-the-door technique shows that people are more likely to comply with large requests after small ones.
Social comparison drives much of how people determine their own worth relative to others.
The generation effect shows people remember information better when they produce it themselves.
Overconfidence bias is the most robust finding in judgment psychology — people routinely overestimate accuracy.
Humans have a negativity bias — negative events have stronger psychological impact than equally positive ones.
The Pygmalion effect demonstrates that higher expectations from authority figures produce higher performance.
Color psychology shows red increases heart rate; blue promotes calm and focus.
People walking in opposite directions spontaneously form lanes without conscious coordination.
Priming — brief exposure to a stimulus — unconsciously influences later responses.
The peak-end rule means people judge experiences by their peak and ending, not the average.
Forcing a smile measurably improves mood due to facial feedback to the brain.
Implicit bias can be detected in reaction times even when conscious attitudes appear neutral.
The paradox of choice shows that more options can lead to worse decisions and lower satisfaction.
Embodied cognition shows that holding warm coffee makes people judge others as warmer personalities.
Studies show gratitude journaling measurably improves wellbeing over time.
Terror management theory suggests much of human behavior is unconsciously driven by fear of death.
The sunk cost fallacy causes people to continue bad investments because of what they've already spent.
Research shows people consistently overestimate how long negative emotions will last after bad events.
The planning fallacy causes people to underestimate how long tasks will take — even knowing about the bias.
Social proof — copying others' behavior — is one of the most powerful drivers of human action.