What is QEEG (Quantitative Electroencephalography) and what can it tell you about your brain?

May 12, 2025

In this article

Have you ever wondered what your brain activity looks like, or how our neural pathways, memories and messages all work together to help us in every movement and decision we make?

Thanks to advancements in neurotechnology, we can now measure and map brain function in real time — and one of the most powerful tools to do this is Quantitative Electroencephalography (QEEG).

Also known as brain mapping, QEEG gives us a window into your brain’s electrical activity and helps identify patterns which may be linked to various neurological or psychological conditions.

In this blog, we take a closer look at what brain mapping is, how QEEG works, and what it can tell you about your brain health.

What is brain mapping?

Brain mapping is a non-invasive process which measures and visualises brainwave activity to better understand how different areas of the brain are functioning when we walk, talk, move and think.

It is a bit like getting a “brain fingerprint” — no two are exactly alike.

The purpose of brain mapping is to help uncover functional imbalances in the brain which may be contributing to symptoms such as anxiety, attention difficulties, memory problems, mood disorders, sleep issues and more.

By analysing the patterns of brainwaves, clinicians can develop a clearer picture of what’s happening beneath the surface – which can then guide any required interventions or therapies.

Unpacking Quantitative Electroencephalography (QEEG)

At the centre of brain mapping is a technology called Quantitative Electroencephalography (QEEG). As its long name suggests, a QEEG is a detailed recording of the brain’s activity, which is analysed through mathematics to compare it against other age-matched individuals.

But how does QEEG work?

During a QEEG assessment, a cap with sensors is placed on your head to record brainwave activity at multiple locations. These sensors detect electrical signals naturally produced by your brain – without using any electricity or invasive methods.

The data collected is then processed and converted into detailed, colour-coded maps of brainwave patterns, allowing clinicians to observe brain function in real time.

You might think this means sitting still for a long time – this incredible amount of information is collected by wearing the cap for just 10 minutes, after which a friendly report will be generated to show what’s been recorded!

To learn more about how the QEEG process works, visit our QEEG service page here.

What does brain mapping tell you?

Now you know how it works, you’re probably wondering why you’d sign up to have this technology read your brain…

We know the insights provided by a QEEG brain map can be incredibly valuable.

Here are some of the things you can learn from thanks to QEEG:

identify areas of overactivity or underactivity in the brain
uncover patterns associated with certain conditions
reveal imbalances between different brain regions

Brain mapping can be used to investigate symptoms related to:

ADHD and learning difficulties
anxiety and depression
PTSD and trauma-related disorders
sleep disturbances
memory concerns and cognitive decline
focus challenges

While a QEEG cannot diagnose conditions, it provides objective data which can support clinical decision-making and guide treatment approaches, such as neurofeedback therapy or lifestyle modifications.

Contact our team to chat about QEEG and if it’s right for you today.

When is brain mapping considered?

QEEG brain mapping is typically considered when someone is experiencing symptoms which can be hard to explain, persistent despite treatment, or where further insight is needed to tailor support.

It can be suitable for:

children with attention or learning difficulties
teens or adults struggling with anxiety, mood issues or brain fog
individuals recovering from concussion or brain injury
people seeking peak mental performance
anyone curious about their cognitive function or mental health

Working with NeuroFit Brain Centre

QEEG brain mapping is a powerful tool for understanding the electrical rhythms of the brain. Whether you’re dealing with ongoing mental health challenges, cognitive concerns, or simply looking to optimise brain performance, this technology could offer deep insight into what’s going on inside your head — and how to support it.

To find out more about how brain mapping can help you, visit our QEEG service page or contact our team at Neurofit Brain Centre today.

Disclaimer

All information is general and not intended as a substitute for professional advice. Neurofit Brain Centre can consult with you regarding your individual health needs.