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Burnout and Cognitive Functioning: What’s the Link?

By Christi Pieterse - Organizational Development Specialist, Burnout Advocate.

Series: The Cognitive Impact of Burnout - Article 2 of 12.

 

We talk about burnout often, but do we really understand the damage it causes, not just emotionally, but neurologically?

Let's break it down.

🔥 What is Burnout?

Burnout is not just "being tired" or "feeling stressed." Burnout is a combination of emotional exhaustion, depersonalization, and a reduced sense of accomplishment, specifically related to the workplace, resulting from chronic, unrelenting workplace stress that has not been successfully managed. The World Health Organization classifies burnout as an occupational phenomenon, characterised by three key dimensions:

• Emotional Exhaustion - feeling completely drained, with nothing left to give.
• Depersonalisation or Cynicism - becoming mentally detached from one's job and the people involved.
• Reduced Personal Efficacy - the sense that you're no longer good at your job or making a meaningful difference.

Burnout develops slowly and often goes unnoticed until the damage is severe. It doesn't go away with a good night's sleep or a weekend off.

 

🧩 What is Cognitive Functioning?

The human brain is an extraordinarily complex organ, consisting of over 100 billion nerve cells in a healthy individual. Each of these neurons can form up to 10,000 connections with other nerve cells, creating an intricate network that underpins cognition. Cognitive functioning refers to our brain's ability to think, learn, remember, and problem-solve. It includes vital processes such as:

• Attention and concentration: Complex Attention refers to our ability to control, shift, and divide our intentional focus. This allows us to manipulate the information and execution of multiple steps to achieve a specific goal. It further refers to our ability to focus on more than one thing at a time and the fact that we can choose what to focus on and what to ignore (Adminalt, 2022; Van Schoor, 2022).
• Memory (short-term and long-term): Memory is often defined as a behavioural change resulting from experiences, whereas learning is the process of acquiring and reinforcing that memory (Escalada et al., 2024). Different types of memory serve distinct functions. Declarative memory is consciously accessible and allows us to recall facts and events, while procedural memory operates unconsciously, enabling us to perform learned skills, such as playing tennis, through repetition and practice. Notably, these two memory systems function independently (Okano et al., 2000)
• Language and communication: The key functions of language as a cognitive tool are thinking, communication, representation, memory, and problem solving (Bourguignon, 2023).
• Executive function (decision-making, planning, self-control)L Executive function is an important cognitive domain responsible for the coordination and regulation of our thoughts and behaviour towards specific goals.  The term Executive Function refers to the higher-level cognitive skills you use to control and coordinate other cognitive abilities and behaviour (Turjeman-Levi et al., 2024)
• Perceptual motor control: Perceptual-motor control is deeply intertwined with cognition, relying on several higher-order processes to guide actions accurately (Bergmann et al., 2021). Among these processes are attention, memory, decision-making, prediction and anticipation, and sensorimotor integration.

When our cognitive functioning is impaired, we can't think clearly, remember tasks, or perform at our usual level, and it's not about intelligence; it's about brain function.

 

⚠️ The Link Between Burnout and Cognitive Decline

This is where things get concerning.

Burnout doesn't just impact your emotions or motivation - it impairs your brain. It is generally accepted that burnout affects cognitive functioning. Deligkaris et al. (2014) found that burnout is associated with a decline in three main cognitive functions: executive functions, attention, and memory. Gavelin et al. (2022) found that clinical burnout is associated with cognitive impairment across several cognitive domains.

Recent neuropsychological research shows that burnout leads to measurable cognitive deficits, often lasting for years. People with clinical burnout often experience:

• Difficulty concentrating (sometimes called "brain fog")
• Memory lapses
• Slower information processing
• Poor decision-making
• Decreased mental flexibility

People who suffer from burnout often complain about cognitive deficits (Koutsimani et al., 2021). The areas most affected are problem-solving skills and learning abilities, difficulty concentrating, and failure to remember important information such as names and appointments. This mental fatigue persists for up to three years after diagnosis. Deligkaris et al. (2014) also found executive functioning, attention, and memory to be the areas most affected by burnout.

The effects of burnout on the brain can mimic those seen in traumatic stress or mild cognitive impairment, including changes in brain structure and function. And here's the kicker: these cognitive impairments can persist even after the emotional symptoms of burnout have improved.

 

🛑 Why This Matters for Individuals and Organizations

Burnout isn't a personal weakness; it is a systemic issue. If you or your team members are experiencing burnout, cognitive performance will suffer. That means:

• Errors increase
• Creativity and innovation drop
• Productivity takes a hit
• Relationship and collaboration break down.

Recovery is possible, but it takes time, proper support, and organisational commitment to long-term change.

 

💡 Final Thought

If you've been feeling like you just can't think straight, keep forgetting simple things, or can't focus like you used to, it may not be "just stress."

It may be burnout. And it's not something to push through, it's something to treat, just like you would a physical illness.

Your brain - and your team - depend on it.

I'm currently researching and working with teams on managing burnout and its cognitive impact. If your organisation is ready to take burnout seriously, I'd love to connect.

#Burnout #MentalHealth #Leadership #CognitiveFunction #EmployeeWellbeing #WorkplaceWellness #OrganizationalDevelopment

 

References:

Adminalt. (2022). Defining the 6 key domains of cognitive function. Altoida. Accessed on 4 March 2025. Available at: https://altoida.com/blog/defining-the-6-key-domains-of-cognitive-function/#:~:text=The%20DSM%2D5%20defines%20six,explanations%20of%20each%20key%20domain.

Bergmann, F., Gray, R., Wachsmuth, S. & Höner, O. (2021). Perceptual-Motor and perceptual-cognitive skill acquisition in soccer: A systematic review on the influence of practice design and coaching behaviour. Frontiers in Psychology, 12. DOI: https://doi.org/10.3389/fpsyg.2021.772201

Bourguignon, N.J. (2023). The emergence of language in the human mind and brain – Insights from the neurobiology of language, thought and action. Psychological Review, 130(6), 1544-1565. Accessed on 17 March 2025. Available at: https://psycnet.apa.org/buy/2022-83946-001

Deligkaris, P., Panagopoulou, E., Montgomery, A.J., & Masoura, E. (2014). Job burnout and cognitive functioning: A systematic review. Work & Stress, 28(2), 107-123. DOI: https://doi.org/10/1080/02678373.2014.909545

Escalada, P., Ezkurdia, A., Ramirez, M.J. & Solas. M. (2024). Essential Role of Astrocytes in Learning and Memory. International Journal of Molecular Science, 25(3), 1899. DOI: https://doi.org/10.3390/ijms25031899

Gavelin, H.M., Neely, A.S., Aronsson, I., Josefsson, M. & Andersson, L. (2023). Mental fatigue, cognitive performance and automatic response following sustained mental activity in clinical burnout. Biological Psychology, 183:108661. Doi: https://doi.org/10.1016/j.biopsycho.2023.108661

Koutsimani, P., Montgomery, A. & Georganta, K. (2019). The Relationship Between Burnout, Depression, and Anxiety: A Systematic Review and Meta-Analysis. Frontiers in Psychiatry, 10:284. Accessed on 05/02/2025. DOI: https://doi.org/10.3389%2Ffpsyg.2019.00284

Koutsimani, P., Montgomery, A., Masoura, E. & Panagopoulou, E. (2021). Burnout and Cognitive Performance. International Journal of Environmental Research and Public Health, 18(4), 2145. DOI: https://doi.org/10.3390/ijerph18042145 

Koutsimani, P. & Montgomery, A. (2022). Burnout and cognitive functioning: Are we underestimating the role of visuospatial functions? Frontiers in Psychiatry 13:775606. DOI: https://doi.org/10.3389/fpsyt.2022.775606

Okano, H., Hirano, T. & Balaban, E. (2000). Learning and Memory. PNAS, 97 (23), 12403-12404. DOI: https://doi.org/10.1073/pnas.210381897

Turjeman-Levi, Y., Itzchakov, G. & Engel-Yeger, B. (2024). Executive function deficits mediate the relationship between employee’s ADHD and job burnout. AIMS Public Health, 11 (1):294-314. DOI: https://doi.org/10.3934/publichealth.2024015