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42 open experiments

Experiments.

Each one is based on published research and takes a few rounds; most last two or three minutes. At the end you compare your answer with the crowd and read the science behind the finding. Play again as often as you like.

EXP. 037 · Hearing

Match the pitch

First measure the smallest pitch difference you can hear between two tones, then match five tones by ear after a short silence. Headphones recommended.

3 min0 responses
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EXP. 038 · Color memory

Remember the color

Hold a full-screen color in mind for three seconds, then rebuild it with hue, saturation and brightness sliders. Where does memory shift the color?

2 min0 responses
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EXP. 039 · Time perception

Hold the time

The screen fills with color from the bottom up; then it is your turn: lift your finger the moment you think the same time has passed. Across five durations, do you stretch the short ones and shorten the long ones?

2 min0 responses
No one has played yet
EXP. 040 · Visual memory

Rebuild the shape

A shape appears on the screen for 2.5 seconds and disappears; you rebuild it in the same place, at the same angle and the same size. Where does memory pull angles, sizes and positions?

2 min0 responses
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EXP. 041 · Location memory

Remember the spot

Three colored dots appear and disappear one by one; then you tap where each one was. Where does your memory shift the dots: toward the middle of the circle's quadrants, toward the center, or toward the edge?

2 min0 responses
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EXP. 042 · Visual memory

Fix the pattern

Study the grid, then after a brief blank screen find the tiles that moved and put them back. No color disappears, only what is where changes; how well can your memory keep track of it?

3 min0 responses
No one has played yet
EXP. 043 · Crowd perception

The color of the crowd

Eight colored circles arranged in a ring appear for one second and disappear. Sometimes we ask for the average color of the set, sometimes for the color of a single circle. How does your visual system summarize a crowd?

2 min0 responses
No one has played yet
EXP. 036 · Color perception

Find the odd shade

First measure your hue and lightness thresholds in ΔE, then in level mode the grid grows while the difference shrinks: how many levels can you clear?

3 min1 response
Responses so far: 1