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While not meant to serve as a replacement for the diagnosis or treatment of COVID-19 or any other health condition by a healthcare provider, this brain fog test can be used for your own knowledge by helping to provide you with a baseline for your level of symptom severity that can be reassessed to see changes over time, as you apply your therapeutic approach.
What is Brain Fog?
Brain fog is described as sluggish, slow, or inattentive thinking. While it isn’t a formal medical diagnosis, it represents a cluster of symptoms that affect mental clarity and cognitive performance. Rather than covering the full medical background of long-haul COVID here, this page is designed to help you assess how brain fog may be affecting your daily life. You may notice that simple tasks take more effort, details are harder to retain, or your thinking feels dull or slowed. If you’ve ever wondered “what is brain fog?”, this assessment can help you identify how it shows up for you and track changes as you retrain your brain.
In recent years, brain fog has been closely associated with COVID-19, particularly in individuals experiencing long-haul COVID. For a deeper explanation of long-haul COVID, its causes, and full symptom profile, please refer to our dedicated condition page. Here, we focus specifically on the cognitive symptoms that may persist after infection.

Symptoms of Brain Fog
Brain fog can present in several ways. Instead of listing every possible symptom in detail (as outlined on our long-haul COVID page), the quiz below will help you evaluate how frequently these cognitive challenges occur in your life. Some cognitive symptoms of brain fog or covid brain fog include:
- Feeling confused or disoriented
- Being chronically fatigued
- Thinking slower than usual
- Requires increased time to complete simple tasks.
- Difficulty organizing activities
- Difficulty focusing or getting easily distracted
- Difficulty organizing thoughts
- Forgetfulness
- Slowed cognitive function and memory recall
- Losing your “train of thought”
- Mood swings
- Frequent headaches
While brain fog coincides with several health conditions, suffering from COVID specifically may bring its own set of challenges, especially when it comes to cognition.
Symptoms of COVID Brain Fog (Brain Fog Associated with COVID-19)
Some individuals recovering from COVID-19 report challenges with attention, memory, and executive functioning. If these symptoms are interfering with your work, studies, or daily responsibilities, the self-assessment below can help you measure their current impact.
Due to COVID-19 being such a new occurrence in the general population, little is known about how exactly the virus affects the brains of those infected, only that it does. That being said, if you are experiencing severe or hindering symptoms of long COVID or brain fog, it is important to seek medical attention from your provider.
How Does This Self-Assessment Work?
For each of the following questions, you will be asked to select one of the following options to indicate the frequency of your symptoms: never, very rarely, rarely, occasionally, frequently, or always. Your unique answers will then be used to calculate your results and determine whether your brain fog symptoms are mild, moderate, or severe. Further unique educational information will be shown in accordance with your results, and all results are strictly confidential.
Please note and acknowledge that this short assessment is not intended to establish a physician-patient relationship, to replace the services of a trained physician or health care professional, or otherwise to be a substitute for professional medical advice, diagnosis, or treatment. The aim of this brain fog quiz is to provide education about the condition. By filling out this self-assessment and clicking “calculate” you acknowledge that you’ve read and agree with this statement and agree to re-origin’s Terms & Conditions.
Overview of Brain Fog and Cognitive Impairment
Cognition refers to the brain processes that allow us to think, plan, remember, and regulate emotions. Rather than exploring the full neuroscience behind cognition here, this page focuses on helping you identify whether your cognitive performance feels different from your usual baseline.
Executive function allows you to have the proper capacity to operate in day-to-day activities. However, brain fog can affect one’s cognition and executive function. Brain fog is one of those issues many people face, especially those suffering from long-haul COVID, known as long-haulers. Here, we will discuss what brain fog is, the symptoms, how it is detected, associated health risks, and possible treatment options.
Health Risks Related to Brain Fog
The nature of this particular symptom seems to correlate with changes in executive function which can pose their own challenges and even risks. For instance, difficulty concentrating can lead to automobile accidents or injury during intense physical activities. Issues with memory can also pose risks when completing day-to-day activities in terms of operating machinery, kitchen appliances, or heavy equipment.
The stress and frustration when dealing with brain fog can also hinder a person’s mental well-being, social activities, and work productivity. Social isolation and loss of productivity can lead to other disorders, such as anxiety or depression, each with its own individual risks to one’s health.
How to Manage Brain Fog
Management strategies for brain fog vary depending on the underlying cause. For a more comprehensive overview of long-haul COVID treatment approaches, including lifestyle and neurological perspectives, please visit our main condition guide. If you’re ready to explore a neuroplasticity-based approach, you can learn more about our program below.
At re-origin, we focus on the root cause of brain fog and other neuro-cognitive symptoms. By calming the innate stress response, many of our program participants find that their symptoms begin to subside. Click here to learn more about our program and approach to improving mental clarity.
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