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Eye & Reaction
Warm up your eyes, then see how fast you react.

Eye movement~3 min
- Keep your head still.
- Follow the ball with your eyes only.
- Pick a speed from 0.5× to 3×. No score.

Processing speed~60s
- Wait for the screen to change.
- Click, tap or press Space as fast as you can.
- 15 tries. Your score is your typical (median) time.

Timing~2 min
- Listen: a rhythm beeps and pulses.
- Tap it back with the same timing (Space, click or tap).
- Beats grow level by level. Sound on.
Aim
Mouse or touch aim: how many targets you can hit.

Visual-motor~2 min
- Click or tap each target as fast as you can.
- Level 1: one target. Level 2: two. Level 3: three.
- Each level lasts 40 seconds.
Memory & Focus
How much you can hold in mind, and how well you ignore what does not matter.

Attention~2 min
- Remember the balls that light up gold.
- They turn white and move. Keep track.
- When they stop, click the ones you tracked.

Visual search~5 min
- Find and click 1, 2, 3… in order.
- Beat the clock before time runs out.
- 8 levels: 9 numbers up to 49.

Spatial memory~3 min
- Watch the squares light up in order.
- Tap them back in the same order.
- Each step adds one more square.

Working memory~3 min
- A number appears for a few seconds.
- When it hides, type it back.
- Each level adds a digit, up to 20.

Visual memory~60s
- Some squares light up for a moment.
- Tap the same squares, in any order.
- Each level adds a square. 3 lives.

Spatial memory~3 min
- Numbers appear in random squares.
- Tap 1 first: the rest turn blank.
- Keep tapping in order from memory.

Recognition memory~60s
- Shapes appear one at a time.
- Answer SEEN if it appeared before, NEW if not.
- Look-alikes get closer each level.

Choice reaction~5 min
- Arrows fall from the top.
- Always answer the lowest one.
- Press the arrow key, or tap the button.

Inhibition~3 min
- A colour word appears in a coloured ink.
- Answer the INK colour, not the word.
- Later levels switch the rule.
Thinking & Knowledge
Planning, mental maths and world knowledge.

Planning~15 min
- Move balls one at a time between pegs.
- Match the goal picture.
- Use as few moves as you can.

Working memory + numbers~10 min
- Pick a section: + −, ×, ÷ or order of operations.
- Work out each answer in your head.
- Type it in. Questions get harder.

Long-term memory~10 min
- A flag appears.
- Name its continent, country and a language.
- 3 mistakes end a level. Or try the 100-question quiz.
Neuro Lab tests measure how you did on that test today, on this device. The labels name the skill each test leans on; they are not a measure of your brain, and these are not medical or IQ tests. Getting better at a test is normal with practice; benefits outside the test are not proven.