EPISODE · May 28, 2026 · 33 MIN
The Neuroscience of Reactive Dogs with Dr. Pepe Hernandez | S9E17
from Canine Culture Podcast · host Brittany Snell
What’s actually happening in your dog’s brain when they “ignore” you, react on leash, or shut down in stressful situations? In this episode of the Canine Culture Podcast, Brittany sits down with behavioral neuroscientist and certified dog trainer Dr. Pepe Hernandez to break down the science behind dog behavior in a way every dog owner can understand.From reactive dogs and fearful rescues to positive reinforcement and timing during training, Dr. Hernandez explains how dogs learn, process fear, and respond to the world around them. The conversation dives into why dogs often behave differently outside the home, how stress impacts learning, and what owners can do to build confidence and better communication with their dogs.Whether you’ve adopted a rescue dog, struggle with leash reactivity, or simply want to better understand your dog’s behavior, this episode is packed with practical insights rooted in neuroscience and real-world training experience.In this episode, we cover:Why dogs seem to “ignore” commands in distracting environmentsThe science behind fear, anxiety, and reactivity in dogsHow positive reinforcement affects the brainWhy timing and consistency matter in trainingWhat happens emotionally when rescue dogs enter a new homeThe importance of decompression and structure for adopted dogsCommon training mistakes dog owners makeWhy retractable leashes can create behavioral and safety issuesHow enrichment activities like agility and nose work help reactive dogsIf you’ve ever wondered what your dog is truly thinking or feeling during training, this episode offers a deeper look into canine behavior and communication.About Dr. Pepe Hernandez & PJH Dog Training:Dr. Pepe Hernandez is the founder of PJH Dog Training, blending a Ph.D. in Behavioral Neuroscience with modern, positive reinforcement-based dog training. Specializing in reactivity, anxiety, and fear-based behaviors, Pepe focuses on helping dogs build confidence and resilience through science-backed, humane training methods. His approach emphasizes understanding the emotional causes behind behavior, creating individualized training plans that strengthen the bond between dogs and their owners while helping dogs navigate real-world environments with greater calm and confidence.Follow PJH Dog Training:PJH Dog Training WebsiteFollow On FacebookFollow On InstagramGive the episode a listen on your favorite podcast platform and let us know what you think! Now available on Apple Podcasts, Spotify, Amazon Music, and Pocket Casts.As always, the topics discussed are for informational purposes only. If you have specific questions about your pet’s health, please contact your local veterinarian.Find Us:Canine Culture Podcast WebsiteFollow us on FacebookFollow us on InstagramFollow us on Tik-TokDon’t forget to subscribe, rate, and review—it helps more dog lovers discover the show! If you have any questions or recommendations, please email [email protected].
What this episode covers
What’s actually happening in your dog’s brain when they “ignore” you, react on leash, or shut down in stressful situations? In this episode of the Canine Culture Podcast, Brittany sits down with behavioral neuroscientist and certified dog trainer Dr. Pepe Hernandez to break down the science behind dog behavior in a way every dog owner can understand.From reactive dogs and fearful rescues to positive reinforcement and timing during training, Dr. Hernandez explains how dogs learn, process fear, and respond to the world around them. The conversation dives into why dogs often behave differently outside the home, how stress impacts learning, and what owners can do to build confidence and better communication with their dogs.Whether you’ve adopted a rescue dog, struggle with leash reactivity, or simply want to better understand your dog’s behavior, this episode is packed with practical insights rooted in neuroscience and real-world training experience.In this episode, we cover:Why dogs seem to “ignore” commands in distracting environmentsThe science behind fear, anxiety, and reactivity in dogsHow positive reinforcement affects the brainWhy timing and consistency matter in trainingWhat happens emotionally when rescue dogs enter a new homeThe importance of decompression and structure for adopted dogsCommon training mistakes dog owners makeWhy retractable leashes can create behavioral and safety issuesHow enrichment activities like agility and nose work help reactive dogsIf you’ve ever wondered what your dog is truly thinking or feeling during training, this episode offers a deeper look into canine behavior and communication.About Dr. Pepe Hernandez & PJH Dog Training:Dr. Pepe Hernandez is the founder of PJH Dog Training, blending a Ph.D. in Behavioral Neuroscience with modern, positive reinforcement-based dog training. Specializing in reactivity, anxiety, and fear-based behaviors, Pepe focuses on helping dogs build confidence and resilience through science-backed, humane training methods. His approach emphasizes understanding the emotional causes behind behavior, creating individualized training plans that strengthen the bond between dogs and their owners while helping dogs navigate real-world environments with greater calm and confidence.Follow PJH Dog Training:PJH Dog Training WebsiteFollow On FacebookFollow On InstagramGive the episode a listen on your favorite podcast platform and let us know what you think! Now available on Apple Podcasts, Spotify, Amazon Music, and Pocket Casts.As always, the topics discussed are for informational purposes only. If you have specific questions about your pet’s health, please contact your local veterinarian.Find Us:Canine Culture Podcast WebsiteFollow us on FacebookFollow us on InstagramFollow us on Tik-TokDon’t forget to subscribe, rate, and review—it helps more dog lovers discover the show! If you have any questions or recommendations, please email [email protected].
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The Neuroscience of Reactive Dogs with Dr. Pepe Hernandez | S9E17
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