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Cognitive overload happens when we try to process more information than our minds can comfortably handle, leading to confusion, stress, and a noticeable drop in productivity. The concept comes from educational psychology, and was originally used to identify situations where students are given so much information or so many tasks that their brains become overwhelmed, making it harder for them to learn.
Left unchecked, cognitive overload at work can affect not only individual well-being but also team dynamics and overall productivity. In this article, we’ll define cognitive overload and explain how it impacts us and why it matters at work. You’ll find out about the common causes and consequences, how to spot the symptoms, and simple ways to manage and avoid cognitive overload in the future.
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What is cognitive overload?
Imagine being in a meeting where every participant is sharing data, deadlines, and directions at once—eventually, it becomes impossible to keep up with the information coming at you. That’s cognitive overload in action. Simply put, cognitive overload occurs when our brains take in more information than it can process, resulting in decreased focus, productivity, and even decision-making capacity.
“One common misconception is that having more information will help us make better decisions,” says licensed clinical psychologist Dr. Max Doshay, the CEO and co-founder of Monima Wellness. “In reality, having too much information can lead to decision paralysis, impairing our ability to make sound decisions.”
The cognitive overload theory states that mental resources are limited and that too much information or too many simultaneous tasks can overwhelm these resources. When this happens at work, it can impact our ability to learn, perform, and respond efficiently to new challenges.
While cognitive overload may sound like it only affects high-stress jobs or busy individuals, the reality is more complex. “Cognitive overload doesn’t only occur when we’re physically busy or overloaded with tasks,” says Dr. Michael Wetter, a clinical psychologist. “In reality, even mental clutter—like juggling too many thoughts, distractions, or decisions—can cause it.”
Types of cognitive load
Understanding the different types of cognitive load can help us recognize how information or tasks impact our ability to process them. Here are three key types:
- Intrinsic load: Intrinsic load refers to the mental effort required to understand or perform a specific task, typically depending on its complexity. For instance, learning a new software program may require significant focus simply because of the number of new skills involved. This type of load is inherent to the task and varies based on the skill level of the person performing it.
- Extraneous load: Extraneous load is any additional mental burden caused by poorly designed information or unnecessary distractions. This could include confusing instructions, unnecessary steps, or a chaotic work environment that detracts from learning and performance. Reducing extraneous load—like improving workflows or minimizing interruptions—can help individuals focus on the essential aspects of their tasks and prevent unnecessary overload.
- Germane load: Unlike intrinsic and extraneous load, germane load contributes positively to understanding by supporting meaningful learning and processing. For example, reflecting on feedback or connecting a new concept to something already known can help embed information in long-term memory. This type of load is beneficial because it encourages deeper understanding, especially when working on complex tasks or learning new skills.
Common causes of cognitive overload at work
Understanding the root causes of cognitive overload can help us manage and prevent it in our day-to-day work. Here are some of the main factors that lead to mental strain and decreased productivity:
Information overload
With the steady influx of emails, messages, and data from multiple sources, employees often find themselves overwhelmed by the sheer volume of information. Too much input can actually inhibit effective decision-making and make it difficult to retain relevant details, leaving employees feeling mentally exhausted and scattered.
Multitasking
Juggling multiple tasks might seem productive, but it frequently leads to cognitive strain. Each time we switch tasks, our brains expend energy refocusing, which can lead to errors and inefficiencies. “Another misconception is that multitasking can effectively mitigate cognitive overload’s effects,” Dr. Doshay says. “However, multitasking frequently exacerbates it by splitting focus and decreasing cognitive efficiency.”
Lack of clarity
When instructions, expectations, or goals are unclear, it’s easy to feel confused or overwhelmed. Cognitive overload can quickly set in as we struggle to make sense of vague directions or ambiguous tasks. This mental friction consumes additional energy, detracting from our ability to perform well and leading to frustration.
Environmental distractions
Noise, frequent interruptions, and other workplace distractions contribute significantly to cognitive overload. Even minor distractions can force us to refocus repeatedly, draining mental resources over time. Open-plan offices, for example, are known for increasing noise levels, which can make it difficult to concentrate and stay productive.
Heavy work demands
Tight deadlines, high expectations, and an excessive workload can leave employees feeling perpetually behind. These heavy demands place considerable strain on cognitive resources, making it difficult to keep up and increasing the risk of burnout. Constantly racing against time uses all the mental space needed for quality work, decision-making, and creativity, further compounding the effects of cognitive overload.
Cognitive overload: Symptoms
With constant notifications, endless to-do lists, and pressure to multitask, it’s easy to hit a mental wall without even realizing why. Understanding the signs and symptoms of cognitive overload at work can help you catch it early and take steps to alleviate its effects.
Mental symptoms
Cognitive overload can feel like a constant struggle to focus or retain information. “It often manifests as difficulty concentrating, frequent mistakes, and a sense of being overwhelmed or mentally drained,” Dr. Wetter says. Memory issues, trouble focusing, irritability, and decision fatigue are all common symptoms. When mental fatigue sets in, even simple tasks can feel unbearable, and critical thinking or problem-solving may become increasingly difficult.
In the long run, cognitive overload can cause long-term mental health problems if not addressed. “Long-term exposure to high cognitive demands can lead to burnout, anxiety disorders, and depression,” Dr. Doshay says. “The constant strain on cognitive resources can deplete an individual’s ability to cope with daily stressors, creating a vicious cycle of stress and poor mental health.”
Physical symptoms
Cognitive overload doesn’t just affect the mind—it takes a toll on the body as well. Physical indicators include frequent headaches, fatigue, and other stress-related symptoms. Persistent tension or soreness can be brought on by stress, while difficulty sleeping may compound exhaustion. These physical signals are the body’s way of responding to mental strain, signaling that it’s time to step back and reassess your workload.
Behavioral signs
Cognitive overload can also impact behavior and overall productivity. People experiencing overload may begin to withdraw from tasks, since taking on new assignments feels impossible. Productivity may decline, irritability can increase as mental strain builds, and collaboration and team morale can suffer as a result.
This shift in behavior is a tell-tale sign that cognitive resources are depleted, impacting not only individual job performance but also the cohesion and effectiveness of the team as a whole.
How to overcome cognitive overload at work
Reducing cognitive overload requires both individual efforts and support from the organization. Here’s a guide for both employees and employers, with actionable insights from experts.
1. Prioritize tasks
“Employees can manage cognitive overload by practicing prioritization, breaking large tasks into smaller steps,” Dr. Wetter says. The psychologist also recommends using practical tools like task lists, digital reminders, or time-blocking that can provide structure and reduce mental clutter, making it easier to stay on top of responsibilities.
Employers can support prioritization by clearly defining objectives and helping teams distinguish between urgent and important tasks, empowering them to handle responsibilities.
2. Take scheduled breaks
“Take frequent breaks to let your mind rest and recharge,” Dr. Doshay says. Short breaks can help reset cognitive energy and reduce the effects of overload.
He suggests using the Pomodoro Technique: Work in focused 25-minute intervals followed by a five-minute break. This technique encourages a rhythm that can improve focus and reduce fatigue throughout the day. Dr. Wetter also recommends engaging in activities that help restore focus, such as mindfulness or brief physical activity.
3. Limit distractions
Create a distraction-free environment. To minimize interruptions, set up a quiet workspace and silence non-urgent notifications during focused work periods. If possible, establish “do-not-disturb” blocks in your schedule or work in a location that limits noise and other disruptions.
Techniques like using noise-canceling headphones or setting boundaries with coworkers around quiet hours can also make a significant difference. Limiting distractions allows you to concentrate fully on your tasks, ultimately reducing mental strain.
4. Seek support
Reaching out for help can be one of the most effective ways to manage a high workload. Employees should feel comfortable discussing their tasks with managers and colleagues, whether to clarify expectations, adjust priorities, or ask for additional resources. Collaborating with coworkers and openly sharing workload concerns also promotes a healthier, more supportive workplace culture.
For managers, encouraging a collaborative atmosphere and recognizing signs of overload can prevent burnout and help teams stay motivated and productive.
How to avoid cognitive overload in the future
“Workplace culture has a significant impact on the management of cognitive overload,” Dr. Doshay says. That’s why it’s so important that employees and employers work together to create a balanced, more sustainable approach to avoid cognitive overload.
Embrace open communication
“A supportive and understanding environment promotes open communication about work and mental health,” Dr. Doshay recommends. Employees who feel comfortable discussing their workload and mental health challenges can address issues before stress accumulates. Employers can cultivate this by setting up regular check-ins, clarifying team priorities, and actively listening to employee concerns, which together contribute to a healthier, more productive workplace.
Use technology wisely
Leverage technology to help manage workloads and reduce cognitive strain by organizing tasks and eliminating repetitive work. Tools like task management software, digital reminders, and time-tracking apps offer structure and help employees stay on top of priorities without feeling overwhelmed. When used thoughtfully, technology can streamline communication, eliminate minor distractions, and allow employees to focus on high-priority tasks.
Continuously learn and adapt
“[Workplace] cultures that prioritize employee well-being, encourage reasonable workloads, and provide flexibility can help prevent overload,” Dr. Wetter says. Employees can benefit from training in time management, stress management, and even technical skills that make their day-to-day work easier. If your company doesn’t have any of these programs in place already, talk with your culture or HR team about pilot programs to try.
FAQs
Is it normal to be overloaded at work?
It’s common to feel overloaded at work, especially in fast-paced environments where responsibilities and deadlines can quickly accumulate. However, constantly feeling mentally exhausted can be a sign of cognitive overload, which should be managed to avoid burnout.
How to deal with cognitive overload at work?
Managing cognitive overload involves taking proactive steps to reduce mental strain. Start by organizing and prioritizing tasks to focus on what’s most essential. Take regular breaks, set clear boundaries, and minimize distractions—such as silencing notifications or creating a designated workspace. Additionally, don’t hesitate to seek support from colleagues or supervisors if your workload feels unmanageable.
What are some examples of cognitive overload?
Cognitive overload can manifest in several ways. For instance, you may find it hard to concentrate on tasks, experience frequent mental fatigue, or feel overwhelmed by too many simultaneous projects or deadlines. Constantly switching between tasks (multitasking) or working long hours without breaks can also lead to cognitive overload, making it difficult to think clearly or make decisions.
How to recover from cognitive overload?
Recovery from cognitive overload involves giving your mind a chance to rest and reset. Take time away from demanding tasks and engage in restorative activities, like mindfulness exercises, light physical activity, or even spending time outdoors. Practice good sleep hygiene and take scheduled breaks during the day to help your mind recuperate.