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What Is Cognitive Reserve?

Cognitive reserve is a research idea (often linked to Yaakov Stern): people with more education or mentally engaging lives sometimes show milder everyday problems for a given level of brain change. It is a group-level buffer story — not an IQ from our games.

IQ Test › What Is Cognitive Reserve?
📌 Key takeaways
Practice games:🔤 Verbal Analogies Lite — 12 Easy Original Items🧾 Digit Span Test — Forward & Backward⏹️ Pattern Matrices Lite — 8 Original Items

What does “reserve” mean?

Brain reserve often means structural differences (for example more tissue). Cognitive reserve emphasizes how flexibly you use what you have. Both are models, not a single home test.

Does education equal reserve?

Years of school are a common proxy, along with occupation complexity and leisure. Proxies are messy. Extra schooling is not a guaranteed shield, and lack of degrees is not a sentence.

Can a website measure my reserve?

No. Reserve is inferred in research designs that combine cognitive tests, life history, and often imaging. A 12-item odd-one-out is not that design.

Is reserve the same as IQ?

They are related ideas but not twins. A high IQ score is not a reserve certificate, and reserve research is not a reason to treat IQ as destiny.

Is this medical advice about dementia?

No. We do not diagnose or treat neurodegenerative disease. Talk to clinicians about personal risk. Lifestyle headlines are not a prescription from this page.

What belongs on a practice site?

Varied games can be leisure. Digit span, analogies, and matrices are not reserve therapy and not an IQ.

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What Is a Good IQ Score?

An IQ of 100 is exactly average; 110-119 is above average, 120 and up puts you in the top 10% (a genuinely 'good' score), and 130+ is considered gifted. IQ is built on a normal distribution with a mean of 100 and a standard deviation of 15, so most people cluster near the middle.

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IQ Percentile Chart: What Percentile Is My IQ?

Your IQ percentile tells you the share of people you scored higher than: an IQ of 100 is the 50th percentile, 115 is about the 84th, 120 is roughly the top 10%, and 130 is roughly the top 2%. The table below maps every major IQ band to its classification, percentile, and share of the population.

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A well-designed online IQ test gives a reliable estimate of your reasoning ability, but it is not a clinical diagnosis — only a proctored test like the WAIS or Stanford-Binet provides that. This test is built on Raven's Progressive Matrices and CHC theory, scored on the standard scale (mean 100, SD 15), with an internal reliability (Cronbach's alpha) of about 0.85-0.92.

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Genius IQ Level: What Number Counts as Genius?

A 'genius' IQ traditionally starts at 140, while 130 and above is labeled 'very superior' on modern tests. Scores that high are extremely rare, and the famous IQ numbers you see for historical figures are almost always estimates, not measured results.

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📅 Last updated: 2026-08-26 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
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