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December 2, 2025 • 31 mins

The Science of Trauma & Joy with Dr. MaryCatherine McDonald - Trauma Researcher, Speaker and Author

🧠 Episode Overview:

In this compelling episode, we’re joined by Dr. MaryCatherine McDonald, a trauma researcher affectionately called the “Brené Brown of trauma.” Dr. McDonald brings a deeply compassionate, science-backed perspective on trauma and healing—reframing the trauma response not as a weakness, but as a strength-based adaptation.

We explore why joy can actually feel threatening to people with a history of trauma, and how we can begin to retrain the nervous system to trust, feel safe, and reconnect with joy, peace, and hope.

🔍 In This Episode, We Discuss:

✨ Why joy can feel scary
For trauma survivors or those in chronic stress, joy often feels unsafe. Dr. McDonald explains why our nervous system may reject joy as a protective defense—and how to gently change that.

✨Hope isn’t Fluffy, it’s Neuroscience 

How joy and hope rewire the brain for resilience.

⚠️ The 6 barriers to joy
 Learn the six common blocks that keep us from experiencing joy and hope:

  1. Hypervigilance

  2. Emotional numbing

  3. Fear of loss

  4. Conditioning

  5. Guilt

  6. Shame

🧠 Fear vs. Hope
Fear inhibits imagination, creativity, and joy. But here's the twist—hope can inhibit fear. Discover how reclaiming hope helps calm the fear center in the brain.

🔁 The problem with numbing
 You can’t selectively numb your pain without also numbing joy. Find out why numbing as a coping strategy keeps you stuck—and how to reawaken your emotional life gently and safely.

🌿 Joy as a healing practice
 Joy isn’t frivolous—it’s a form of nervous system regulation. Dr. McDonald shares practical tools like the “20-second joy practice” to prove to your brain and body that joy is safe.

🌟 Trauma reframed
 You are not broken. Your trauma response is your body’s brilliant way of keeping you safe. And you can heal. Learn how to honor the wisdom of your nervous system while helping it learn new patterns of safety.


🛠️ Resources & Links:

🎧 Listen now and learn:

  • Why joy and gratitude regulate the nervous system

  • How trauma impacts your belief that things will be okay

  • How to slowly and safely reintroduce joy into your daily life

  • Why your nervous system might be afraid of letting its guard down—and how to teach it that it’s safe now

Whether you're a trauma survivor, a clinician, or simply someone looking to reconnect with hope and wholeness, this episode offers deep insights and gentle, actionable tools to begin reclaiming joy—one breath at a time.

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