# Psychology: attention, perception and memory

103 projects on attention, memory, perception and behaviour. Try three short activities, then explore the complete collection.

https://mariuscomper.uk/en/psychology/

- [Choosing what to take back in time](https://mariuscomper.uk/ce-iei-inapoi-in-timp/en/): Choose an object and an era, then see how the game score changes.
- [The pace you choose](https://mariuscomper.uk/tempo-interior/en/): Tap at a comfortable pace and notice how you keep the rhythm.
- [Where emotions are felt](https://mariuscomper.uk/emotiile-in-corp/en/): Explore a map built from people’s reports of where they feel different emotions.
- [Screens and teenagers’ mood](https://mariuscomper.uk/telefon-adolescenti/en/): An analysis of public data explores the relationship between screen use and teenagers’ mood.
- [Bilingual children: what the studies show](https://mariuscomper.uk/bilingvism-copii/en/): Explore research findings on bilingualism, attention and memory in children.
- [Tiny spiders carried through the air](https://mariuscomper.uk/paianjenii-care-zboara/en/): This project explains how air currents carry tiny spiders on strands of silk.
- [How crows recognise people](https://mariuscomper.uk/ciorile-tin-minte-fete/en/): A mask experiment follows how crows respond to people they have encountered.
- [How eye movements change what you see](https://mariuscomper.uk/saltul-ochiului/en/): An interactive explanation shows how eye movements can change which details you notice in an image.
- [What happens at a party](https://mariuscomper.uk/aceeasi-petrecere/en/): A party is explored through ideas from anthropology and sociology, with the evidence and limits of each explanation.
- [What is a song for?](https://mariuscomper.uk/ce-canta-lumea/en/): Listen to songs from different cultures and guess the settings in which they are used.
- [Recent lessons about the mind](https://mariuscomper.uk/psihologia-ultimului-deceniu/en/): Six themes from psychological research over the past decade are explained briefly.
- [The mind has no single peak age](https://mariuscomper.uk/varsta-de-varf/en/): Compare how different cognitive abilities change across the lifespan.
- [How video models reason](https://mariuscomper.uk/watch-carefully/en/): Short visual challenges test how people and AI models interpret video sequences.
- [How a society lives with risk](https://mariuscomper.uk/risk-everywhere/): Questions about how beliefs, norms and practices respond to uncertainty.
- [How much fits in working memory](https://mariuscomper.uk/poarta-ingusta/en/): An explanation of how information is held briefly and how rehearsal helps.
- [What not to do: beliefs from Romania](https://mariuscomper.uk/ce-nu-se-face/en/): A look at a historical collection of beliefs and how it was presented as representative.
- [How wedding gifts circulate](https://mariuscomper.uk/economia-de-plic/en/): A project about wedding gifts as relationships of support, reciprocity and obligation.
- [Who is watching?](https://mariuscomper.uk/cine-se-uita/en/): Explore why the same act can seem different in front of peers or a manager.
- [Can you be truly random?](https://mariuscomper.uk/fara-zar/en/): Choose between zero and one across several rounds, then inspect your sequence of answers.
- [The spinning ballerina](https://mariuscomper.uk/balerina/en/): Watch an ambiguous silhouette and notice how its apparent direction of rotation can change.
- [Can you catch the ruler?](https://mariuscomper.uk/caderea-riglei/en/): Try to catch the falling ruler and see how quickly you respond in the game.
- [Where is the centre of gravity?](https://mariuscomper.uk/punctul-de-echilibru/en/): Find the point where the illustrated plate can balance.
- [Where does the beam emerge?](https://mariuscomper.uk/unde-iese-raza/en/): Follow a beam as it meets a barrier and guess where it might emerge.
- [Can you spot a perfect square?](https://mariuscomper.uk/patratul-perfect/en/): Match the shape by eye, then check the geometry of your result.
- [The colour or the word?](https://mariuscomper.uk/culoarea-sau-cuvantul/en/): Name the ink colour when the text shows a different colour word in an activity inspired by Stroop.
- [Which circle looks larger?](https://mariuscomper.uk/care-i-mai-mare/en/): Compare two equal central circles surrounded by circles of different sizes, then check their dimensions.
- [When will the dot leave the tunnel?](https://mariuscomper.uk/prin-tunel/en/): Estimate where the dot will reappear after it disappears behind an obstacle.
- [Follow the arrow’s direction](https://mariuscomper.uk/stanga-sau-dreapta/en/): Respond in the direction shown by arrows that appear in different parts of the screen.
- [How many dots did you see?](https://mariuscomper.uk/fara-sa-numeri/en/): Look briefly at a group of dots and guess how many appeared.
- [Same tile or mirror image?](https://mariuscomper.uk/acelasi-sau-oglinda/en/): Compare pairs of tiles and decide whether one has been flipped.
- [Can you match the shades?](https://mariuscomper.uk/cele-doua-griuri/en/): Compare two shades of grey in a game about how brightness is perceived.
- [How straight is your line?](https://mariuscomper.uk/linia-dreapta/en/): Draw a line between two markers and compare it with a straight path.
- [Explaining a changed choice](https://mariuscomper.uk/the-swap/en/): A game asks you to choose between options, then explain one that may differ from the option you picked.
- [How does the first number shape an estimate?](https://mariuscomper.uk/ancora/en/): Compare estimates made after different starting values with the reference used in the game.
- [How do you weigh a loss against a gain?](https://mariuscomper.uk/cantarul-pierderii/en/): A game of hypothetical choices explores how you compare losses and gains.
- [A memory and the words that are missing](https://mariuscomper.uk/the-lure/en/): A short recognition activity explores how confusion can arise between a theme and the words you saw.
- [What remains of psychology?](https://mariuscomper.uk/ce-a-ramas-din-psihologie/en/): A guide traces what has held up and what has changed in familiar psychological explanations.
- [Can you find the centre of the circle?](https://mariuscomper.uk/fara-compas/en/): Tap the centre of a circle without tools and compare your attempts in the game.
- [How much do symptoms overlap?](https://mariuscomper.uk/zero-simptome-comune/en/): An explanation shows how the same diagnosis can encompass different experiences.
- [Can you set a right angle?](https://mariuscomper.uk/fara-echer/en/): Rotate the movable arm in the game and try to make a 90-degree angle.
- [Can you place the line on the horizontal?](https://mariuscomper.uk/fara-cumpana/en/): Align a line with the horizontal in a visual perception exercise.
- [When has one second passed?](https://mariuscomper.uk/fara-ceas/en/): Start the hidden timer and stop it when you think one second has passed.
- [Why yawning can be contagious](https://mariuscomper.uk/fereastra-cascatului/en/): An analysis compares explanations of yawning and examines evidence about contagion and temperature.
- [The blind spot in your field of vision](https://mariuscomper.uk/punctul-orb/en/): A demonstration shows how vision fills in the area without retinal receptors.
- [How the eyes stabilise an image](https://mariuscomper.uk/sapte-milisecunde/en/): An animation explains the vestibulo-ocular reflex, which helps stabilise gaze when the head moves.
- [Why vision is sharpest at the centre](https://mariuscomper.uk/doua-grade-sub-unghie/en/): A diagram explains the difference between central and peripheral vision.
- [How the brain locates a sound](https://mariuscomper.uk/zece-microsecunde/en/): An explanation shows how differences between sounds reaching each ear can indicate direction.
- [Birth order and personality](https://mariuscomper.uk/patru-din-zece/en/): This project compares large studies of the relationship between birth order and personality traits.
- [Left-handedness and school pressure](https://mariuscomper.uk/mana-stanga-interzisa/en/): Historical records and surveys show how left-handedness changed over time.
- [How far apart do two touches feel?](https://mariuscomper.uk/patruzeci-de-milimetri/en/): Explore how touch sensitivity differs across parts of the body.
- [When two flashes look like one](https://mariuscomper.uk/cadrele-secundei/en/): A demonstration shows how rapid sequences of light can appear continuous.
- [How much of your vision is sharp?](https://mariuscomper.uk/doua-grade/en/): A graphic illustrates the difference between central vision and the peripheral field.
- [How many words fit a smell?](https://mariuscomper.uk/mirosul-nu-incape/en/): Choose descriptions from an odour vocabulary and explore how they relate to scent molecules.
- [Genes and the development of abilities](https://mariuscomper.uk/genele-la-zece-ani/en/): An analysis explores how researchers study genetic influences and environment in cognitive development.
- [Two hands, one rhythm](https://mariuscomper.uk/doua-maini/en/): Follow a pattern of finger movements and notice how it changes with speed.
- [Why can’t you tickle yourself?](https://mariuscomper.uk/de-ce-nu-te-poti-gadila-singur/en/): A demonstration explains why a predictable touch can feel different from one produced by someone else.
- [Can you split the ribbon in half?](https://mariuscomper.uk/taie-la-jumatate/en/): Cut curved shapes without a ruler, then compare the two sides.
- [Rebuilding the Dunning–Kruger chart](https://mariuscomper.uk/graficul-dunning-kruger/en/): A demonstration with random numbers shows how a pattern can appear in a chart.
- [Risk and survivor rankings](https://mariuscomper.uk/micromort-hall-of-fame/en/): A gallery of rare cases explains what it means to compare risks after an incident.
- [How do the senses line up?](https://mariuscomper.uk/optzeci-de-milisecunde/en/): An animation explores how the brain combines visual and auditory signals that arrive at different times.
- [How your eyes keep your gaze steady](https://mariuscomper.uk/stabilizatorul/en/): Turn the virtual head and follow the reflex that helps keep your gaze steady.
- [The last signal](https://mariuscomper.uk/the-last-signal/): A visual, evidence-led reading of a rare 900-second EEG recording from one clinical case around cardiac arrest.
- [The life of a memory](https://mariuscomper.uk/the-life-of-a-human-memory/): A short film follows how an ordinary childhood memory is formed, recalled and changed.
- [One night without sleep and attention](https://mariuscomper.uk/en/what-happens-if-you-dont-sleep-for-24-hours/): A guide explains what can change after a night without sleep and why attention can become unstable.
- [The parking puzzle: free the car](https://mariuscomper.uk/parcarea/en/): Solve a car puzzle and see how many moves each level takes.
- [Guess the proverb](https://mariuscomper.uk/spanzuratoarea/en/): Guess the letters in a proverb and learn what it means.
- [Can you hear the difference?](https://mariuscomper.uk/auzi-diferenta/en/): Listen to contrasts between Romanian sounds and compare Romanian pronunciation with Mandarin.
- [What changes when you stay awake](https://mariuscomper.uk/stay-awake-brain/en/): Explore research on sleep loss, alertness and reaction tests; the caffeine calculator is illustrative.
- [Intelligence, psychology and technology](https://mariuscomper.uk/inteligenta/en/): An interactive history connects the word’s origins with testing, working memory and artificial intelligence.
- [DRD4 and the so-called “wanderlust gene”](https://mariuscomper.uk/drd4-wanderlust/en/): A critical review separates evidence about DRD4, novelty and migration from claims about tourism.
- [What do we mean when we say we want something?](https://mariuscomper.uk/desire/en/): An atlas explores desire through the body, anticipation, relationships, culture and self-regulation.
- [Where does blue end?](https://albastru.mariuscomper.uk/en/): Draw the boundary between green and blue and compare how languages name colours.
- [Why sources talk and why their motives change](https://fireplaces.mariuscomper.uk/en/): A guide to human sources’ motives, how they change, and relevant legal safeguards in the United Kingdom.
- [The House of the Last Good Question](https://last-good-question.mariuscomper.uk/): A browser mystery game about the questions that determine what evidence can reveal.
- [What if you did not need sleep?](https://sleepless.mariuscomper.uk/en/): An explanation of a mouse experiment that tested local activation of selected sleep-related functions.
- [A Field Guide to Useful Monsters](https://useful-monsters.mariuscomper.uk/): An interactive puzzle about familiar failures in institutions, incentives and shared resources.
- [Attention: an atlas](https://atlasul-atentiei.mariuscomper.uk/en/): Explore attention through everyday experience, research and the ways surroundings can direct it.
- [Attention, one language at a time](https://mariuscomper.uk/atentia-limba-cu-limba/en/): Compare words from different languages used for attention, listening and care.
- [The map behind the first glance](https://prima-privire.mariuscomper.uk/en/): An interactive explanation connects first glances with faces, text and the brain’s visual map.
- [The Unseen Spectrum](https://mariuscomper.github.io/presentations/TheUnseenSpectrum.html): An interactive guide to colour vision, its variations and their effects on everyday tasks.
- [Why we gossip](https://mariuscomper.github.io/why-we-gossip/en.html): A review examines the links between gossip, reputation, cooperation and social rules.
- [Why we procrastinate](https://mariuscomper.github.io/why-we-procrastinate/en.html): An analysis explains procrastination through research in psychology and related fields.
- [Stoicism in 100 ideas](https://stoicism-100.mariuscomper.uk/en/): Ideas from Marcus Aurelius, Epictetus and Seneca on control, virtue and the good life.
- [How anger spreads online](https://ragebait.mariuscomper.uk/en/): An analysis traces how content designed to provoke anger enters public life.
- [Heat and the mind](https://termometrul-mintea.mariuscomper.uk/en/): An interactive dossier explores links between heat, sleep, mood, learning and decisions.
- [Why some moral rules are rigid](https://rigid-moral-rules.mariuscomper.uk/en/): A research model explores how firm rules can support cooperation when motives are hard to verify.
- [How we judge the motives of people in power](https://motivele-puterii.mariuscomper.uk/en/): An interactive essay about stated motives, verification and public accountability.
- [The speed of a caress](https://mariuscomper.uk/the-speed-of-a-caress/): A demonstration explains how a slow skin nerve fibre responds to gentle stroking.
- [How the inner ear creates a sense of rotation](https://mariuscomper.uk/echilibrul-din-ureche/en/): An animation shows how fluid movement in the semicircular canals contributes to the sense of rotation.
- [What does a baby hear before birth?](https://mariuscomper.uk/the-first-voice/): An audio experience explores sounds that can reach a baby during pregnancy.
- [How does a dog see the world?](https://mariuscomper.uk/what-your-dog-sees/): Explore how dogs’ vision differs from human vision, including how they perceive colour.
- [How does a newborn see a face?](https://mariuscomper.uk/the-first-face/): A simulation follows changes in vision during the first weeks of life.
- [Could you hear your name in a noisy room?](https://mariuscomper.uk/the-name-that-finds-you/): A demonstration inspired by a classic experiment explores how a name can draw attention from an ignored conversation.
- [How a grandmother sees a family visit](https://mariuscomper.uk/the-face-she-misses/): A simulation shows how age-related changes in vision can affect recognition of facial details.
- [How do moral judgements compare?](https://mariuscomper.uk/moral-atlas/en/): Answer moral dilemmas and explore the distribution of responses in the project’s dataset.
- [How slowly should the hand move?](https://mariuscomper.uk/how-slowly/): Move a finger along an arm and explore how speed changes the sensation.
- [When do voices seem to come from one person?](https://mariuscomper.uk/still-one-person/): Listen to clips where a voice and accompaniment are offset and notice when they seem to share a source.
- [How do you set bail?](https://mariuscomper.uk/cautiunea/en/): An exercise explores how an initial reference point can influence a bail decision.
- [How does applause synchronise?](https://mariuscomper.uk/aplauze-in-ritm/en/): A demonstration shows how an audience can fall into a shared rhythm and how that synchrony can break down.
- [The honeybee waggle dance](https://mariuscomper.uk/dansul-albinelor/en/): See how the direction and duration of a movement convey information about where food is.
- [How swifts live on the wing](https://mariuscomper.uk/drepnele-din-oras/en/): This project follows swift movements and time spent in the air using tracking sensors.
- [Puppy-dog eyes](https://mariuscomper.uk/ochii-de-catelus/en/): An explanation of the facial muscle that helps dogs raise their eyebrows.
- [Links in six steps](https://mariuscomper.uk/sase-pasi/en/): A daily game challenges you to connect two subjects through verified facts.

Short adapted illustrations, not clinical assessments. Sources: Stroop1935; Roberts etal2005; Roediger &McDermott1995.