#115: Meditation Beyond the Brain - Idil Zezer, PhD#115: Meditation Beyond the Brain - Idil Zezer, PhD
The FitMind Podcast: Mental Fitness, Neuroscience & Psychology
Neuroscientist Idil Sazar explains how meditation affects the brain, heart, body and sense of self, and how virtual reality may help study and support these changes. The conversation contrasts long-term and advanced practice while sharing practical thoughts on choosing a meditation style that feels workable.
49:20•21 Jul 2026
Meditation, the Heart and the Self: Idil Sazar on Advanced Practice and VR
Episode Overview
- Meditation is linked to changes in brain regions for attention, emotional regulation, pain relief and self-awareness, even in beginners.
- Long-term practice appears associated with effects at physiological, cellular, genetic and digestive levels, not just in the brain.
- Advanced meditators show distinctive heart spectral patterns that coincide with spontaneous feelings of bodily warmth.
- Stronger brain–heart coupling may predict who benefits from VR-based anxiety interventions, pointing toward more personalised support.
- People are encouraged to experiment with different practices and stick with the ones they genuinely enjoy, whether sitting meditation, yoga or walking.
“It starts with the mental exercises, but then you see wide changes.”
In this eye-opening episode, you'll learn about meditation as far more than a way to relax. Neuroscientist Idil Sazar shares her research on how meditation affects not just the brain, but the heart, gut, cells and even our basic sense of self.
She breaks down studies comparing long-term meditators with beginners, showing that even novices can have changes in brain regions tied to "attentional processes, emotional regulation, pain relief, and sense of self-awareness." Long-term practice, she explains, appears tied to shifts at physiological, cellular, genetic and digestive levels, hinting at wide-reaching mental health benefits. A big part of the conversation focuses on brain–heart communication.
Idil explains unusual cardiovascular patterns in advanced meditators, like spectral heart peaks that line up with spontaneous feelings of warmth in the hands and feet. She also talks about her work showing that people who respond well to VR-based anxiety relief tend to have stronger brain-to-heart coupling, suggesting that future treatments could be matched to people using objective physiological markers.
Idil draws a clear line between long-term and advanced meditators: advanced practice is about mastery, not just years logged, and their brain and heart patterns can look distinct from those who simply meditate a lot. The episode also covers her new projects in Olaf Blanke’s lab, using virtual reality to test self-compassion practices and non-dual awareness.
By playing with first- and third-person perspectives, inverted bodies and multiple body images, she aims to see how meditators experience ownership of the body and where they feel the "minimal self" is located. She finishes with very down-to-earth advice: try different forms of meditation, notice what you actually enjoy, and give yourself permission to switch if something doesn't fit.
If you're curious how practice might ripple through your whole system—from mood to gut to heart—this conversation might spark your next experiment. What kind of practice would you genuinely enjoy enough to keep going?
Do you want to link to this podcast?
Get the buttons here!
More From This Show
The latest episodes from the same podcast.