---
title: What NevoScan™ does not measure
description: No uploaded scans, no population percentiles, no single scores, no verdicts. NevoScan™ measures only what it can measure precisely.
---

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# What NevoScan™ does not measure.

We measure only what we can measure precisely.

No uploaded scans

### We do not analyse scans taken anywhere else.

An upload comes from a scanner we did not set up, and the difference between two scanners exceeds a year of change. No trajectory can be drawn from it.

No single-scan percentiles

### We do not rank one scan against people your age.

A single scan’s rank among people your age says nothing about how you have changed since your last visit.

No single score

### We do not give you a brain age.

A single age or score hides how uncertain it is. Every NevoScan™ result states its margin of error.

No change below the noise

### We do not report a change we cannot stand behind.

A change smaller than your smallest detectable change is reported as exactly that: no change larger than the noise.

No verdict

### We measure. We do not diagnose, screen or predict.

A result tells you what changed and by how much. What it means for you is a conversation with your own doctor.

No intervention claims

### We do not optimise, improve or slow anything.

A result is a measurement. It comes with no advice on what to change.

## What we do measure, we measure with a known margin of error.

[Read the method](https://nevoscan.com/method?hsLang=en)

[NevoScan™](https://nevoscan.com/?hsLang=en)

A brain trajectory measurement service. It measures; it does not diagnose or treat.

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