
Dopamine When You See Certain People Harmed
Witnessing harm to others triggers dopamine release in the brain, particularly in individuals with high empathy and prosocial tendencies
In this Huberman Lab Essentials episode, Dr. David Spiegel explains the neuroscience of hypnosis and its practical applications for enhancing mental and physical health. Hypnosis is fundamentally different from stage hypnosis and involves a state of focused attention combined with cognitive flexibility. When people enter a hypnotic state, there are measurable changes in brain connectivity, particularly in regions associated with attention, self-awareness, and the ability to process information flexibly.
Dr. Spiegel discusses how hypnosis can enhance focus and attention, with potential benefits for individuals with ADHD. The brain's capacity for cognitive flexibility during hypnosis allows people to engage with information and experiences in new ways. Beyond attention, hypnosis has substantial clinical evidence supporting its use for reducing stress, improving sleep quality, treating phobias, and managing both acute and chronic pain. The mechanism involves changing how the brain processes threat and discomfort signals.
A key concept in the episode is how hypnosis works through narrative and mental reframing. By changing the story we tell ourselves about our experiences, particularly traumatic or painful ones, we can fundamentally alter our relationship to them. This is especially powerful for trauma recovery, where the goal is not to erase memories but to change their emotional impact and integrate them into a coherent life narrative.
The episode introduces the Spiegel Eye Roll Test, a simple assessment that measures hypnotizability. This test helps individuals understand their natural capacity for entering hypnotic states, which varies considerably across the population. Dr. Spiegel emphasizes that hypnotizability is not weakness or suggestibility but rather a capacity for focused attention and mental flexibility.
Practical applications are central to the discussion. People can work with trained clinical hypnotists or use self-hypnosis protocols independently. The Reveri app is mentioned as a structured tool for accessing self-hypnosis, offering evidence-based protocols for various conditions. The durability of hypnotic effects is notable, with benefits often persisting long after the hypnotic session ends.
The episode also covers how hypnosis applies to obsessive thoughts, OCD, pain reframing, and performance enhancement. For pain management, the key is not denying the sensation but reframing it as an opportunity for action rather than a threat. In trauma recovery, controlled exposure within a hypnotic state can help restore a sense of agency and control. Breathing techniques, particularly cyclic sighing, can facilitate entry into relaxation and hypnotic states.
Dr. Spiegel notes that hypnosis can be beneficial for children and can be practiced in group settings. The mind-body connection is emphasized throughout, with hypnosis serving as a bridge between mental states and physical health outcomes. The episode concludes with practical guidance on finding qualified clinical hypnotists and accessing self-hypnosis tools.
“Hypnosis is a state of focused attention and cognitive flexibility that allows you to access your own resources to solve problems”
“Hypnotizability is not a weakness or a sign of gullibility, but rather a capacity for focused attention and mental flexibility”
“By changing the narrative we tell ourselves about our experiences, we can fundamentally alter our relationship to pain and trauma”
“The goal in trauma recovery is not to erase memories but to change their emotional impact and integrate them into our life story”
“Hypnosis works by helping people move from feeling like a victim of their circumstances to someone who has agency and control”