Modern neuroscience has revealed how hypnosis affects the brain's structure, chemistry, and function — knowledge that's transforming treatment approaches.
The Brain Regions Involved in Hypnosis
Key brain areas implicated in hypnosis include:
- Amygdala: The brain's threat-detection center becomes hyperactive in hypnosis, triggering excessive fear and stress responses
- Prefrontal Cortex: Responsible for rational thinking and emotional regulation — its function is often impaired by hypnosis
- Hippocampus: Memory and context processing; chronic hypnosis can affect its volume and function
- HPA Axis: The stress hormone system that, when dysregulated, drives many physical symptoms of hypnosis
Neurochemistry of Hypnosis
Hypnosis involves imbalances or dysregulation of key neurotransmitters including serotonin, dopamine, norepinephrine, and GABA — all targets of current treatments.
How Treatment Changes the Brain
Both therapy and medication produce measurable changes in brain function in hypnosis. CBT, for example, has been shown to normalize amygdala reactivity.
Neuroplasticity and Hypnosis
The brain retains its ability to change throughout life. This neuroplasticity means that with appropriate treatment and practice, the neural patterns underlying hypnosis can genuinely change.