Financial difficulties rank among life’s top stressors, alongside job loss, divorce, and the death of a loved one.
But financial stress doesn’t just take an emotional toll. Worrying about money can also sap the mental resources we use to concentrate, solve problems, and make decisions—resources sometimes described as our cognitive bandwidth. And when financial worries are eating up our cognitive bandwidth, even seemingly simple decisions can start to feel like a lot.
Your Brain on Money Stress
When you are chronically worried about money, your brain doesn’t just feel stressed. It functions differently.
When your brain perceives a threat, the amygdala helps trigger the body’s stress response, setting off a chain of signals that discharges stress hormones, including cortisol. In short bursts, that response can help you react to immediate threats.
But when stress becomes chronic, prolonged exposure to elevated cortisol levels can affect the brain regions involved in memory, learning, and decision-making. Research has linked chronic stress with changes in the connections between brain cells and reduced neuroplasticity, or the brain’s ability to adapt and form new connections.1
When Money Worries Take Up Space
In one influential study, researchers asked participants to consider hypothetical financial problems before completing tests of cognitive function. When lower-income participants were asked to consider a particularly challenging expense, their performance dropped by an amount comparable to about 13 IQ points. The same decline didn’t appear among higher-income participants faced with the same scenario.2
One possible explanation for the decline is cognitive load, or the total amount of mental effort being used in your working memory at any given time. Persistent money worries take up some of the mental bandwidth we use to focus, remember things, and make decisions.
In other words, when you are wondering how much is left in your checking account or whether you can afford your upcoming dental appointment, those questions don’t exist in isolation. They run quietly in the background while you’re working, making dinner, or trying to sleep.
How Scarcity Can Narrow Your Focus
Financial pressure can also change what gets your attention.
When something is scarce, whether that’s money, time, or another resource, the immediate shortage demands attention. That intense focus can be useful, because it helps us concentrate on immediate problems, but it can also make it harder to see beyond those issues.
If you’re trying to make $75 last until payday, for example, figuring out how to get through the next four days may feel far more urgent than thinking about a bill that’s due three weeks from now.
Researchers sometimes call this effect “tunneling.” Like a horse wearing blinders, you become intensely focused on what’s directly in front of you, while things outside that narrow field of view are easier to miss. So, a bill gets postponed, or an upcoming expense doesn’t make it onto the radar until it’s suddenly urgent.
Decision Fatigue
Financial stress can involve a surprising number of brain-taxing choices. Which bill gets paid first? How much can you spend at the grocery store? Should you repair the car now or wait?
When you’re already worried about money, repeatedly weighing competing priorities can become exhausting. Eventually, you may find yourself choosing whatever requires the least thought—or avoiding the decision altogether.
For some, that may look like unopened bills and bank statements. For others, it might mean putting off conversations about money or repeatedly telling yourself you’ll deal with a financial task later.
Sure, avoidance can provide temporary relief because, for the moment, you don’t have to confront what’s making you anxious. But the American Psychological Association warns that avoiding financial problems often creates more problems—and more anxiety—over time.3
Reducing the Stress on Your Brain
If financial stress is taking up your mental bandwidth, the answer isn’t necessarily to try harder to keep everything straight in your head. Instead, look for ways to give your brain less to keep track of.
Here are a few ways to reduce the mental load of managing your money:
1. Get the information out of your head
Write down your bills, balances, due dates, and upcoming expenses in one place. You don’t have to solve everything at once. Sometimes seeing what you’re actually dealing with is easier than mentally juggling a collection of half-known numbers and deadlines.
2. Automate what makes sense
Automatic bill payments and savings transfers can eliminate the need for recurring decisions. Just make sure you know when money will leave your account and that you’ll have enough available to cover it.
3. Make fewer decisions at once
You don’t have to overhaul your entire financial life in one afternoon. Choose one task and then decide what comes next. Open the bill and find out what you owe. That’s one task accomplished. Then decide whether you’re ready to figure out what to do about it.
4. Create rules to simplify choices
To minimize the number of budgeting decisions you have to make, set some expectations for yourself. If you decide in advance to transfer $25 to your savings account every payday, it becomes a recurring pattern rather than a fresh decision.
5. Use alerts and reminders
Digital banking alerts and calendar reminders can also take some of the burden off your memory. Just don’t let those alerts become a substitute for regularly checking your accounts.
6. Ask for help before a problem becomes an emergency
If you’re struggling with debt or aren’t sure what your options are, reach out to your lender or talk to a financial counselor—the earlier, the better. With a little help, you might be able to negotiate lower payments or navigate competing priorities.
- McEwen, B. S. (2017). Neurobiological and systemic effects of chronic stress. Chronic Stress, 1, 1–11. ↩︎
- Mani, A., Mullainathan, S., Shafir, E., & Zhao, J. (2013). Poverty impedes cognitive function. Science, 341(6149), 976–980. ↩︎
- American Psychological Association. (n.d.). Managing your money stress. American Psychological Association ↩︎