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Sequence Memory Test

Benchmark your spatial short-term working memory capacity. Memorize and repeat an expanding pattern of grid flashes on the 3x3 tile grid. How many levels can your brain hold?

Level: 1Status: READY
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Sequence Memory Test

Watch the tile sequence, then repeat it from memory. Each round adds one more tile.

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Self-Tracking Notice: This assessment is for self-tracking, educational, and cognitive training purposes only. It is not a clinical, medical, diagnostic, or neuropsychological evaluation, and may be affected by display latency, input delays, or device configuration.

How This Test Works

1

What It Measures

This test evaluates your visuospatial working memory by presenting an expanding sequence of lit tiles on a 3x3 grid. Each round adds one more step to the sequence, and you must repeat it from memory by clicking the tiles in the correct order.

2

How Scoring Works

Each correctly recalled sequence advances you to the next level with one additional tile. Your final score is the highest level reached. Most people max out around Level 7 (Miller's Law), but chunking strategies can extend this significantly.

What Affects Your Results

Your ability to group individual tile flashes into visual shapes or paths (chunking), your current fatigue level, and practice with similar memory tasks all affect your score.

Want to understand the science? Read our full guide on Sequence Memory Science .
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Learn about calibration protocols and scientific formulas on our Methodology Page.

What is the Sequence Memory Test?

The Sequence Memory test (often referred to as a Simon task or spatial span test) evaluates your visuospatial working memory. Working memory is the cognitive system responsible for temporarily holding and manipulating information in active focus.

As the pattern expands, your brain must encode each coordinates flash, retain the sequential relationships, and retrieve them in chronological order while suppressing distracting impulses.

Miller's Law: The Magic Number Seven

In 1956, cognitive psychologist George Miller published one of the most highly cited papers in psychology: *"The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information."*

Miller discovered that the average human short-term memory capacity has a fixed limit of **7 items or "chunks"** of information. This is why phone numbers are typically 7 digits long.

In spatial sequence memory tasks, reaching **Level 7** marks the transition where raw memory slots become full, forcing your brain to engage advanced encoding systems like *chunking* (grouping individual grid coordinate flashes into visual shapes, lines, or paths) to reach higher levels.

The Visuospatial Sketchpad

According to Baddeley's model of working memory, spatial sequence information is handled by the **visuospatial sketchpad**, a specialized subsystem in the parietal lobe and prefrontal cortex.

This system behaves like a mental whiteboard. In this test, your sketchpad draws vectors connecting the flashing blocks. As long as you can visualize the "flow path" of the line, you can recall sequences of 10 or 15 elements, far surpassing the standard 7-digit Miller limit.

Explore All Assessments

Explore all 31 cognitive assessments across six domains. Each test runs locally in your browser with sub-millisecond precision.

Reaction & Reflexes

Raw speed & sensory pathways

Memory

Active working capacity & retention

Reasoning

Fluid logic & non-verbal matrices

Focus & Attention

Selective attention & executive suppression

Motor Performance

Spatial mouse control & clicking stamina

Frequently Asked Questions

What is sequence memory?

Sequence memory measures visual-spatial working memory span by requiring you to recall an expanding grid flash sequence.

What is the average sequence memory score?

The average healthy adult score on a sequence memory test is 7 to 9 steps, matching Miller's Law on visual-spatial chunks.

Can sequence memory be improved?

Yes, using memory strategies like chunking sequences into geometric patterns (e.g. triangles, lines) increases recall limits.

Is this test diagnostic for spatial working memory disorders?

No, this is a self-assessment and training game and is not a clinical diagnostic tool.

Why is sequence memory harder than number memory?

Sequence memory requires spatial coordinate mapping and serial recall, whereas number memory can be chunked phonologically.

Does age affect visual-spatial sequence recall?

Yes, spatial working memory capacity peaks in the mid-20s and shows a gradual decline over time.

Does screen size affect sequence memory?

Yes, larger screens require wider eye movements, increasing spatial search overhead compared to compact screens.

What is the impact of distractions on memory scores?

Visual or auditory distractions disrupt the active mental rehearsal loop, causing sequence recall to decay rapidly.