New blueprint for making and breaking habits

 Cognitive neuroscientists at Trinity College Dublin have published new research describing a brand new approach to making habit change achievable and lasting.

This innovative framework has the potential to significantly improve approaches to personal development, as well as the clinical treatment of compulsive disorders (for example obsessive compulsive disorder, addiction, and eating disorders).

The research was led by Dr. Eike Buabang, Postdoctoral Research Fellow in the lab of Professor Claire Gillan in the School of Psychology, has been published as a paper titled "Leveraging cognitive neuroscience for making and breaking real-world habits" in the journal Trends in Cognitive Sciences.

Dr. Buabang explains, "Habits play a central role in our daily lives, from making that first cup of coffee in the morning, to the route we take to work, and the routine we follow to prepare for bed. Our research reveals why these automatic behaviors are so powerful—and how we can harness our brain's mechanisms to change them. We bring together decades of research from laboratory studies as well as research from real-world settings to get a picture of how habits work in the human brain."

Our habits are shaped by two brain systems—one that triggers automatic responses to familiar cues and another that enables goal-directed control. For example, scrolling through social media when you are bored is the result of an automatic response system, and putting your phone away to focus on work is enabled by the goal-directed brain control system.

It is precisely the imbalance between these two brain systems that is key. The research found that such an imbalance can lead to everyday action slips such as inadvertently entering an old password instead of the current one. In more extreme cases, Professor Gillan's research has shown that it can even contribute to compulsive behaviors seen in conditions such as obsessive compulsive disorder, substance-use disorders, and eating disorders.

Habits happen when automatic responses outweigh our ability to consciously control them. Good and bad habits are two sides of the same coin—both arise when automatic responses overpower goal-directed control. By understanding this dynamic, we can start to use it to our own advantage, to both make and break habits.

The new framework describes several factors that can influence the balance between automatic responses and goal-directed control:

• Repetition and reinforcement are essential to making our habits stick. Repeating a behavior builds strong associations between environmental cues and responses, while rewarding the behavior makes it more likely to be repeated. In leveraging the same mechanism to break habits, we can replace old behaviors with new ones to create competing automatic responses.
• The environment also plays a key role in habit change. Adjusting your surroundings can help; making desired behaviors easier to access encourages good habits, while removing cues that trigger unwanted behavior disrupts bad habits.
• Knowing how to engage your own goal-directed system can help strengthen and weaken habits. Disengaging from effortful control, such as listening to a podcast while exercising, accelerates habit formation. However, stress, time pressure, and fatigue can trigger a return to old patterns, so staying mindful and intentional is key when trying to break them.

Dr. Buabang explains, "Our research provides a new 'playbook' for behavior change by connecting brain science with practical, real-world applications. We include effective strategies like implementation intentions, so-called if-then plans ('if situation X occurs, then I will do Y'), and also integrate clinical interventions such as exposure therapy, habit reversal therapy, contingency management, and brain stimulation. It is important that our framework not only captures existing interventions but also provides targets for the development of new ones."

This research also opens new possibilities for personalizing treatments based on how different people form and break habits, making interventions more effective.

Professor Gillan explains, "We are all different; depending on your neurobiology, it might make more sense to focus on avoiding cues than reducing stress or allowing yourself more time for your daily routine." Beyond individual treatment, these insights could reshape public health strategies. Understanding the brain's role in habit formation could help policymakers design more effective health campaigns, from encouraging regular exercise to reducing sugar consumption.

"By working with—rather than against—how our brains naturally form habits, we can create strategies that make healthier choices more automatic at both individual and societal levels."

More information: Eike K. Buabang et al, Leveraging cognitive neuroscience for making and breaking real-world habits, Trends in Cognitive Sciences (2024). DOI: 10.1016/j.tics.2024.10.006

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