Authors: Nur Hani Zainal; Michelle G. Newman · Research

How Do Anxiety and Brain Function Affect Each Other Over Time?

A comprehensive look at the complex relationship between anxiety disorders and cognitive functioning, with implications for treatment.

Source: Zainal, N. H., & Newman, M. G. (2022). Executive Functioning Constructs in Anxiety, Obsessive–Compulsive, Post‑Traumatic Stress, and Related Disorders. Current Psychiatry Reports, 24, 871–880. https://doi.org/10.1007/s11920-022-01390-9

What you need to know

  • Anxiety and cognitive function have a complex two-way relationship - each can affect the other over time
  • Executive function (our brain’s ability to plan, focus, and switch between tasks) can be both a risk factor for and a consequence of anxiety
  • Understanding this relationship can help develop better treatments that target both anxiety and cognitive difficulties

The Connection Between Anxiety and Brain Function

Have you ever noticed how anxiety can make it harder to concentrate or make decisions? Or how feeling mentally foggy might increase your worries? There’s a fascinating reason for this - our emotional well-being and cognitive abilities are deeply interconnected in ways that scientists are just beginning to understand.

Think of your brain’s executive function as its “control center” - it’s responsible for planning, focusing attention, switching between tasks, and controlling impulses. When this system works well, we can navigate daily challenges smoothly. But when either anxiety or executive function struggles, it can create a cycle that affects both our emotional and cognitive well-being.

How Anxiety Can Impact Brain Function

Just as chronic stress can wear down your body over time, persistent anxiety can take a toll on your cognitive abilities. Research shows that people who experience ongoing anxiety may have more difficulty with:

  • Remembering information and multitasking (working memory)
  • Switching between different tasks (cognitive flexibility)
  • Controlling automatic responses (inhibition)
  • Processing information quickly
  • Making decisions

This impact appears particularly strong in older adults, where anxiety can increase the risk of cognitive decline over time. It’s like anxiety creates “wear and tear” on the brain’s processing systems through stress hormones and inflammation.

How Cognitive Function Can Influence Anxiety

The relationship works the other way too. People who start with certain cognitive difficulties may be more vulnerable to developing anxiety later. This makes sense when you think about it - if your brain’s “control center” isn’t working at its best, it may be harder to:

  • Disengage from worried thoughts
  • Adapt to new situations
  • Process threatening information appropriately
  • Use effective problem-solving strategies

These challenges can make someone more susceptible to developing anxiety over time.

The Dynamic Dance Between Mind and Emotions

Recent research suggests that anxiety and cognitive function interact in a complex dance, each influencing the other over time. This relationship can vary:

  • Between different people (some may be more affected than others)
  • Within the same person over time (the impact may fluctuate)
  • Across different situations and contexts
  • During different life stages (childhood vs. adulthood)

Some studies even suggest that in certain cases, particularly in children, higher anxiety might temporarily enhance some aspects of cognitive control - though this pattern needs more research to fully understand.

What This Means for You

Understanding this two-way relationship has important implications for treatment:

  1. If you’re experiencing anxiety, paying attention to your cognitive function may be important
  2. Working on cognitive skills (through exercises or therapy) might help reduce anxiety
  3. Physical exercise, mindfulness practices, and good sleep habits may benefit both anxiety and cognitive function
  4. Treatment may need to target both emotional and cognitive symptoms for best results
  5. Early intervention could help prevent this cycle from developing

Conclusions

  • The relationship between anxiety and cognitive function is bidirectional - each can affect the other
  • This interaction occurs both in the short term (day-to-day) and long term (over years)
  • Understanding this relationship helps explain why comprehensive treatment approaches targeting both anxiety and cognitive function may be most effective
Back to Blog

Related Articles

View All Articles »