Blog — Reactive Dogs

Sentinel Trauma is a one-time learning event which can leave a permanent imprint on the autonomic nervous system.  According to Dr. Stephen Porges, sentinel trauma refers to a single overwhelming event that the body–brain registers as life-threatening. This may take the form of an accident, an assault, or a medical crisis—an experience in which the organism perceives that survival itself is at risk. What makes sentinel trauma unique is that it does not require repetition to take hold. It is what we might call a one-trial learning event—an imprint that occurs instantly, reorganizing the nervous system in the service of...

What Is Biophilic Design? Biophilic design is the practice of incorporating elements of nature into the built environment to strengthen our connection to the natural world. This can include: Natural light Vegetation Water features Natural materials Designs that mimic organic shapes and patterns The goal is simple but powerful: to improve physical, mental, and emotional well-being by bringing us closer to the environments we evolved in. Why It Matters for the Nervous System I was introduced to this concept more deeply through a presentation by Dr. Niki Elliott at a Polyvagal Institute gathering. What stood out most was how biophilic...

  If you feel your nervous system needs a reset: There are moments when the nervous system asks for a pause—a softening, a return to something steadier and more resourced. In the language of polyvagal theory, we might say the system has shifted out of ventral vagal safety and into states of mobilization (fight/flight) or immobilization (shutdown). When this happens, the goal isn’t to “fix” ourselves, but to offer cues of safety that invite the body back into regulation. This can begin very simply. Slowing down and orienting to safety One of the most direct ways to signal safety to...

The Sleep/Stress Cycle The often-overlooked issue of getting enough quality sleep may be the missing key to regulating your dog’s nervous system. As many of us have experienced at some point in our lives, it’s difficult to get both the quality and quantity of sleep we need when we are chronically stressed. This can leave us “trapped” in a cycle—stress prevents restful sleep, and lack of sleep keeps us in a state of stress. This is why it’s so important to prioritize healthy sleep habits for both ourselves and our dogs. Entering a state of deep sleep and properly cycling...

What Is Leash Reactivity, Really? Leash reactivity is one of the most commonly discussed behavior challenges in dogs, but it is also one of the most misunderstood. People often use the term as a diagnosis or label for barking, lunging, growling, or over-excited behavior on leash. While these are the visible expressions, they are not the root of the issue. Leash reactivity is not a single behavior pattern, and it is not a personality trait. It is a nervous system response that emerges under specific conditions. To understand leash reactivity, we have to look beyond what the dog is doing...