periaqueductal gray
5 episodes mention this concept
hubermanlabApr 9, 2026The Neurobiology of Aggression, Mating, and Emotion States: From Mice to Humans
NeuroscienceInternal statesEmotions (as a class of state)ArousalValence- hubermanlabJul 28, 2023
Kratom: Risks, Addiction Potential, and Opioid Mechanisms
HealthKratom (Mitragyna speciosa)Opioid crisisAddictionHabit-forming - hubermanlabDec 6, 2021
The Modern Neuroscience of Fear and Trauma: Mechanisms and Extinction Tools
NeuroscienceNeuroscience of fearTraumaPost-traumatic stress disorders (PTSD)Neural circuits - hubermanlab
The Biology, Psychology, and Utility of Play for Brain Plasticity and Lifelong Learning
NeurosciencePeriaqueductal Gray (PAG)Endogenous opioidsEnkephalinPrefrontal cortex - hubermanlab
The Power of Play: Rewiring Your Brain for Enhanced Focus, Creativity, and Personal Growth
NeurosciencePower of PlayNeural plasticityHomeostatic regulation of playPeriaqueductal Gray (PAG)