Uploaded October 2021 | Updated September 2026, 2 weeks ago
Dr. Harriet De Wit is a professor and researcher looking into the exciting new science of psychedelics.
Topics in this episode include MDMA and LSD research, microdosing, potential pitfalls, and the future of psychedelics.
Dr. Harriet De Wit is a Professor of Psychiatry and Behavioral Neuroscience at the University of Chicago with a PhD in Experimental Psychology. She has been researching psychoactive drugs for over 40 years.
Dr. De Wit takes a cautious, scientific approach to these potent compounds. She's excited about their transformative power, but not caught up in the hype.
For the full list of FitMind Podcast episodes, visit fitmind.com/podcast.
ABOUT FITMIND
FitMind provides mental fitness training based on the latest neuroscience. We created a mobile app that teaches 50+ science-based methods adapted from various traditions (i.e., Stoicism, Yoga, Buddhism, Sufism, Taoism, Indo-Tibetan Bön, etc.). Check it out here: bit.ly/getfitmind.
Website: fitmind.com
Podcast: pod.link/fitmind
Instagram: bit.ly/IGfitmind
Dr. Harriet De Wit is a professor and researcher looking into the exciting new science of psychedelics.
Topics in this episode include MDMA and LSD research, microdosing, potential pitfalls, and the future of psychedelics.
Dr. Harriet De Wit is a Professor of Psychiatry and Behavioral Neuroscience at the University of Chicago with a PhD in Experimental Psychology. She has been researching psychoactive drugs for over 40 years.
Dr. De Wit takes a cautious, scientific approach to these potent compounds. She's excited about their transformative power, but not caught up in the hype.
For the full list of FitMind Podcast episodes, visit fitmind.com/podcast.
ABOUT FITMIND
FitMind provides mental fitness training based on the latest neuroscience. We created a mobile app that teaches 50+ science-based methods adapted from various traditions (i.e., Stoicism, Yoga, Buddhism, Sufism, Taoism, Indo-Tibetan Bön, etc.). Check it out here: bit.ly/getfitmind.
Website: fitmind.com
Podcast: pod.link/fitmind
Instagram: bit.ly/IGfitmind


![Day 28: Right Brain vs. Left Brain - How to Activate & Balance Brain Hemispheres | 30 Days...
In this lesson, we discuss the difference between right brain vs. left brain and learn how to activate and balance our brain hemispheres.
Well explore each hemisphere’s distinct characteristics, debunk common myths, and discuss the latest research on brain lateralization.
We also share practical techniques like the 4Rs (Recognize, Release, Relish, Remain) to shift from left-brain dominance to a more balanced state.
Share the course with your friends! Heres a link to the complete 30 Days of Meditation, Science & Bliss course: https://bit.ly/30-day-course
FitMind is a mental fitness nonprofit that aims to make science-based meditation accessible to all. With your support, we can spread wellbeing and mental health. Even the smallest contribution makes a significant impact: https://fitmind.org/donate.
Website: https://www.fitmind.org
App: https://bit.ly/fitmindtraining
Podcast: https://www.fitmind.org/podcast
Tips & Resources
- Jill Bolte-Taylor interview: https://www.youtube.com/watch?v=HhHhibtnFyk
- Alternate nostril breathing instructions: https://www.youtube.com/watch?v=QVZkTde1Hhw
Science
- Paper 1: “Divergent hemispheric reasoning strategies: reducing uncertainty versus resolving inconsistency”https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2014.00839/full
- Paper 2: “Mirror Neurons, Prediction and Hemispheric Coordination: The Prioritizing of Intersubjectivity Over ‘Intrasubjectivity’” https://link.springer.com/article/10.1007/s10516-018-9412-4
- Paper 3: “The Effects of Unilateral Forced Nostril Breathing on Cognition”https://www.tandfonline.com/doi/abs/10.3109/00207459109150697
- Paper 4: “EEG signatures change during unilateral Yogi nasal breathing” https://www.nature.com/articles/s41598-021-04461-8#:~:text=Yogic practices suggest%2C and scientific,activity (stress alleviating state).
[Disclaimer: Advice on the FitMind channel is for educational purposes only. Please consult a medical professional before engaging in new health-related activities or for guidance regarding mental conditions.] Day 28: Right Brain vs. Left Brain - How to Activate & Balance Brain Hemispheres | 30 Days...](https://i.ytimg.com/vi/QVZkTde1Hhw/mqdefault.jpg)
![Day 21: Exploring the Depth of Consciousness - Stages of Jhana Explained | 30 Days of Meditation...
Dive deeper into the stages of jhana as we continue exploring the depth of consciousness in meditation.
This video examines the third and fourth jhanas, discussing how they represent deeper levels of bliss and proximity to the present moment.
Learn about the benefits of jhana practice, including the development of wisdom and insights into the nature of mind, and discover how these states can lead to a reduction in mental predictions and suffering.
Share the course with your friends! Heres a link to the complete 30 Days of Meditation, Science & Bliss course: https://bit.ly/30-day-course
FitMind is a mental fitness nonprofit that aims to make science-based meditation accessible to all. With your support, we can spread wellbeing and mental health. Even the smallest contribution makes a significant impact: https://fitmind.org/donate.
Website: https://www.fitmind.org
App: https://bit.ly/fitmindtraining
Podcast: https://www.fitmind.org/podcast
Resources & Science
[Note: Both of the below studies are on concentration jhana, not aware jhana, which we’re practicing here. We don’t recommend concentration jhana.]
- Paper 1: https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2019.00178/full
- Paper 2: https://www.massgeneral.org/news/press-release/mri-shows-advanced-meditation-impacts-the-brain
Book Recommendations
- Buddha’s Map, by Doug Kraft
- Path to Nibbāna, by David Johnson
[Disclaimer: Advice on the FitMind channel is for educational purposes only. Please consult a medical professional before engaging in new health-related activities or for guidance regarding mental conditions.] Day 21: Exploring the Depth of Consciousness - Stages of Jhana Explained | 30 Days of Meditation...](https://i.ytimg.com/vi/RZ1-mLoWxMI/mqdefault.jpg)
![Day 17: How the Mind Constructs Reality - 10 Minute Meditation | 30 Days of Meditation, Science...
In this 10-minute meditation, we continue to explore how the mind constructs reality. You will experience causality, which is the relationship between cause and effect, to better understand how the mind works.
Share the course with your friends! Heres a link to the complete 30 Days of Meditation, Science & Bliss course: https://bit.ly/30-day-course
FitMind is a mental fitness nonprofit that aims to make science-based meditation accessible to all. With your support, we can spread wellbeing and mental health. Even the smallest contribution makes a significant impact: https://fitmind.org/donate.
Website: https://www.fitmind.org
App: https://bit.ly/fitmindtraining
Podcast: https://www.fitmind.org/podcast
[Disclaimer: Advice on the FitMind channel is for educational purposes only. Please consult a medical professional before engaging in new health-related activities or for guidance regarding mental conditions.] Day 17: How the Mind Constructs Reality - 10 Minute Meditation | 30 Days of Meditation, Science...](https://i.ytimg.com/vi/RoBIe08wlyc/mqdefault.jpg)


![Day 26: How to Improve Mental Health - Major Brain Networks | 30 Days of Meditation, Science & Bliss
In today’s lesson we talk about how to improve mental health by understanding the major brain networks.
Learn about the Default Mode Network (DMN), Task Positive Network (TPN), and Frontoparietal Network (FPN), and how they influence our daily mental states.
Explore practical techniques like the 4Rs to shift from thinking and doing modes to a balanced being mode, potentially enhancing mental well-being.
Share the course with your friends! Heres a link to the complete 30 Days of Meditation, Science & Bliss course: https://bit.ly/30-day-course
FitMind is a mental fitness nonprofit that aims to make science-based meditation accessible to all. With your support, we can spread wellbeing and mental health. Even the smallest contribution makes a significant impact: https://fitmind.org/donate.
Website: https://www.fitmind.org
App: https://bit.ly/fitmindtraining
Podcast: https://www.fitmind.org/podcast
Resources & Science
- Paper 1: “Network changes underlying neural disorders: Relation to the MMN networks”https://www.sciencedirect.com/science/article/abs/pii/B9780443155482000120
- Paper 2: “Thinking about thinking: A coordinate-based meta-analysis of neuroimaging studies of metacognitive judgements” https://journals.sagepub.com/doi/full/10.1177/2398212818810591
- Paper 3: The brain on silent: mind wandering, mindful awareness, and states of mental tranquility”https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5866730/
- Paper 4: Alternative model: “The role of the salience network in cognitive and affective deficits”https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2023.1133367/full
- Paper 5: “Influence of meditation on anti-correlated networks in the brain” https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2011.00183/full
- Paper 6: “Alterations in task-induced activity and resting-state fluctuations in visual and DMN areas revealed in long-term meditators” https://pubmed.ncbi.nlm.nih.gov/27109713/
- Paper 7: “Mindfulness meditation increases default mode, salience, and central executive network connectivity”https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9346127/
- Paper 8: “Meta-analytic evidence that mindfulness training alters resting state default mode network connectivity”https://www.nature.com/articles/s41598-022-15195-6
[Disclaimer: Advice on the FitMind channel is for educational purposes only. Please consult a medical professional before engaging in new health-related activities or for guidance regarding mental conditions.] Day 26: How to Improve Mental Health - Major Brain Networks | 30 Days of Meditation, Science & Bliss](https://i.ytimg.com/vi/TPxyxuvZ140/mqdefault.jpg)
![Day 22: Expansive Meditation on Emptiness - 10 Minutes | 30 Days of Meditation, Science & Bliss
Explore an expansive meditation on emptiness in this 10-minute guided session to help you move down the predictive stack toward the present moment.
This practice encourages adopting a beginners mind, viewing the world through the eyes of a child to deconstruct internal models and gain insight into how the brain constructs our reality.
Through relaxation techniques and mindfulness exercises, youll learn to kindle positive emotions, recognize thought patterns, and ultimately rest in pure awareness without an object.
Share the course with your friends! Heres a link to the complete 30 Days of Meditation, Science & Bliss course: https://bit.ly/30-day-course
FitMind is a mental fitness nonprofit that aims to make science-based meditation accessible to all. With your support, we can spread wellbeing and mental health. Even the smallest contribution makes a significant impact: https://fitmind.org/donate.
Website: https://www.fitmind.org
App: https://bit.ly/fitmindtraining
Podcast: https://www.fitmind.org/podcast
Resources & Science
- Paper 1: https://www.sciencedirect.com/science/article/pii/S014976342100261X
[Disclaimer: Advice on the FitMind channel is for educational purposes only. Please consult a medical professional before engaging in new health-related activities or for guidance regarding mental conditions.] Day 22: Expansive Meditation on Emptiness - 10 Minutes | 30 Days of Meditation, Science & Bliss](https://i.ytimg.com/vi/TrFtezvwwy0/mqdefault.jpg)

