Meditation and Neuroplasticity

This article delves into the intersection of meditation and neuroplasticity within the realm of health psychology. Beginning with an exploration of meditation’s historical roots and its growing significance in health psychology, the study examines the intricate mechanisms of neuroplasticity, encompassing synaptic, structural, and functional plasticity. The subsequent sections delve into the profound impact of meditation on neuroplasticity, elucidating neural changes during meditation, effects on brain structure, and enduring alterations in neural connectivity. Expanding on these neurobiological processes, the article explores the neural correlates of meditation, including the involvement of specific brain regions, neurotransmitter modulation, and hormonal changes. Furthermore, it scrutinizes various types of meditation and their distinct neuroplastic effects, considering individual differences in response based on age, genetic factors, and meditation expertise. Methodological considerations, research findings from prominent studies, and limitations are discussed, offering insights into the complex relationship between meditation and neuroplasticity. The article concludes by summarizing key points, highlighting implications for health psychology, suggesting future research directions, and emphasizing the broader clinical applications of these findings.

Introduction

Meditation, rooted in ancient contemplative practices, is a conscious and intentional mental exercise designed to cultivate a state of heightened awareness, concentration, and inner tranquility. It involves a range of techniques that encourage focused attention, mindfulness, and the redirection of cognitive processes, fostering a profound connection between mind and body. The diversity of meditation practices encompasses mindfulness, loving-kindness, transcendental meditation, and various movement-based approaches, each with its unique set of principles and objectives.

The historical trajectory of meditation traces its origins across diverse cultures and spiritual traditions. From ancient Hindu and Buddhist practices to contemplative traditions within Christianity, Islam, and Taoism, meditation has played a pivotal role in fostering spiritual development, self-discovery, and a sense of interconnectedness. Over the centuries, meditation has evolved, adapting to cultural contexts and integrating into secular settings. The resurgence of interest in meditation during the 20th century, driven by the globalization of knowledge and increased scientific scrutiny, has paved the way for a contemporary understanding of its impact on mental and physical well-being.

Meditation has garnered increasing attention within the field of health psychology due to its potential therapeutic benefits for both mental and physical health. Extensive research has revealed its positive impact on stress reduction, anxiety and depression alleviation, cognitive enhancement, and pain management. As health psychologists delve into the intricate interplay between psychological well-being and physiological processes, meditation emerges as a promising avenue for promoting holistic health and resilience.

The primary aim of this article is to explore the dynamic relationship between meditation and neuroplasticity within the context of health psychology. By elucidating the neurobiological underpinnings of meditation practices, this article seeks to provide an understanding of how engaging in meditation induces structural and functional changes in the brain. Furthermore, it aims to underscore the significance of these neuroplastic alterations in the broader framework of mental and physical health, offering insights into the potential applications of meditation as a therapeutic intervention. Through an examination of historical perspectives, contemporary research findings, and future implications, this article aims to contribute to the ongoing discourse on the integration of meditation into health psychology practices.

Mechanisms of Neuroplasticity

Neuroplasticity, a foundational concept in neuroscience, refers to the brain’s remarkable ability to reorganize and adapt in response to experiences, environmental changes, and learning. This dynamic process involves the modification of neural connections, which can occur at various levels, from the microscopic synaptic scale to larger structural and functional changes within the brain. Neuroplasticity is a lifelong phenomenon, occurring across the developmental spectrum and continuing into adulthood, underlining the brain’s inherent capacity for reconfiguration and adaptation.

At the core of neuroplasticity lies synaptic plasticity, a fundamental mechanism that involves the strengthening or weakening of synaptic connections between neurons. This process is essential for learning, memory formation, and the refinement of neural circuits. Long-term potentiation (LTP) and long-term depression (LTD) are two well-studied forms of synaptic plasticity, reflecting the enduring changes in synaptic strength that contribute to the adaptive nature of the brain. Through the modulation of neurotransmitter release and receptor sensitivity, synaptic plasticity enables the encoding of experiences and the optimization of neural communication.

Beyond the synaptic level, structural plasticity encompasses changes in the physical architecture of the brain, involving alterations in neuronal morphology, dendritic branching, and the formation of new synapses. Neurogenesis, the generation of new neurons, particularly in the hippocampus, exemplifies structural plasticity. Additionally, dendritic spine remodeling and axonal sprouting contribute to the dynamic restructuring of neural networks, allowing the brain to adapt to novel stimuli, experiences, and environmental demands.

Functional plasticity refers to the brain’s ability to redistribute tasks and functions across different regions in response to injury, environmental changes, or learning experiences. This adaptation involves the recruitment of alternative neural circuits to maintain cognitive functions. Functional plasticity is prominently observed during recovery from brain injuries, where undamaged regions assume the responsibilities of damaged areas, highlighting the brain’s remarkable flexibility and capacity for functional reorganization.

Understanding these mechanisms of neuroplasticity is crucial for appreciating how meditation, as a mental practice, may induce changes at various levels of the brain’s organizational hierarchy. The subsequent sections will explore the specific impact of meditation on synaptic plasticity, structural plasticity, and functional plasticity, shedding light on the intricate ways in which contemplative practices shape the adaptive capacity of the human brain.

The Impact of Meditation on Neuroplasticity

Meditation induces a spectrum of neural changes, observable through advanced neuroimaging techniques such as functional magnetic resonance imaging (fMRI) and electroencephalography (EEG). Studies have consistently demonstrated alterations in brain activity during meditation, with heightened activation in regions associated with attention, self-awareness, and emotional regulation. The default mode network (DMN), implicated in mind-wandering and self-referential thought, exhibits reduced activity during meditation, suggesting a shift from introspective thinking to focused attention. These immediate changes in neural activity during meditation underscore the transient yet impactful nature of contemplative practices on brain function.

Meditation has been associated with structural changes in key brain regions implicated in emotional regulation, attention, and memory. Research utilizing structural MRI has revealed increases in gray matter density in areas such as the hippocampus, known for its role in memory and learning, and the prefrontal cortex, associated with executive functions and emotional regulation. Additionally, meditation has been linked to changes in the size of the amygdala, a region central to processing emotions. These structural alterations point to the neuroplastic potential of meditation, suggesting that consistent practice may contribute to enduring changes in brain anatomy.

The practice of meditation not only impacts individual brain regions but also influences the connectivity between them. Functional connectivity studies, utilizing techniques like resting-state fMRI, have unveiled alterations in the synchronized activity between different brain regions following meditation. Enhanced connectivity has been observed within networks associated with attention, sensory processing, and self-awareness. Concurrently, decreased connectivity in regions linked to mind-wandering and self-referential thinking aligns with the shift in cognitive processing during meditation. These connectivity changes underscore the integrative effects of meditation on neural networks, promoting more efficient and adaptive information processing.

Longitudinal studies investigating the enduring effects of meditation on neuroplasticity suggest that regular and sustained practice may contribute to persistent changes in the brain. Prolonged engagement in meditation has been associated with cumulative increases in gray matter volume, emphasizing the potential for long-term structural modifications. Moreover, the observed alterations in functional connectivity appear to be more pronounced with extended practice, indicating that neuroplastic changes may intensify over time. These findings highlight the transformative potential of meditation as a modulator of neuroplasticity, encouraging further exploration into the mechanisms underlying the sustained impact of contemplative practices on the brain.

Health Benefits of Meditation-Induced Neuroplastic Changes

One of the prominent health benefits attributed to meditation-induced neuroplastic changes is stress reduction. The impact of meditation on the brain’s stress response systems has been well-documented. Neuroplastic alterations, particularly in regions such as the amygdala and the prefrontal cortex, contribute to improved emotional regulation and a diminished physiological response to stressors. Meditation practices, including mindfulness meditation, facilitate a heightened awareness of the present moment, fostering a more adaptive response to stressors. These neurobiological changes, coupled with the cultivation of mindfulness, equip individuals with effective coping mechanisms, reducing the overall burden of stress on both the mind and body.

Neuroplastic changes induced by meditation also show promise in alleviating symptoms of anxiety and depression. Studies have reported alterations in brain regions associated with mood regulation, such as the anterior cingulate cortex and the hippocampus, following meditation practice. The enhanced connectivity within networks implicated in emotional processing contributes to improved emotional resilience. Moreover, meditation-induced changes in neurotransmitter levels, including serotonin and gamma-aminobutyric acid (GABA), may play a role in mitigating symptoms of anxiety and depression. These findings underscore the potential therapeutic value of meditation as a complementary approach in mental health interventions.

Meditation’s impact on neuroplasticity extends to cognitive functions, offering potential enhancements in attention, memory, and executive functions. Structural changes in the prefrontal cortex, a region crucial for cognitive control, have been associated with improvements in attentional focus and working memory. Additionally, the observed changes in functional connectivity within attentional networks suggest a more efficient allocation of cognitive resources. Such cognitive enhancements are particularly relevant in the context of aging, where meditation may contribute to maintaining cognitive vitality and offsetting age-related decline.

Neuroplastic changes induced by meditation have implications for pain perception and management. Studies have shown that meditation can alter the brain’s response to pain stimuli, leading to increased pain tolerance and reduced subjective pain experiences. These effects are attributed to the modulation of neural pathways involved in pain processing, including the anterior cingulate cortex and the insula. Meditation’s impact on neurotransmitters, such as endorphins and dopamine, further contributes to its analgesic properties. As a result, meditation is increasingly recognized as a valuable adjunctive therapy in pain management, offering a non-pharmacological approach with potential long-term benefits.

In summary, the health benefits of meditation-induced neuroplastic changes are multifaceted, encompassing stress reduction, anxiety and depression alleviation, cognitive enhancements, and pain management. The integration of meditation into holistic health interventions holds promise for addressing both mental and physical well-being, with neuroplasticity serving as a key mediator in these transformative processes.

Neurobiological Processes in Meditation

Meditation engages a network of brain regions, each playing a distinct role in shaping the neural correlates of contemplative practices. The prefrontal cortex, crucial for executive functions and self-regulation, exhibits increased activation during meditation, particularly in practices involving focused attention. The amygdala, a key player in emotional processing, often shows decreased activity, contributing to emotional resilience. Additionally, the hippocampus, associated with memory and learning, undergoes structural changes, underscoring meditation’s impact on cognitive functions. Understanding the specific involvement of these brain regions provides insights into the cognitive and emotional transformations facilitated by different meditation techniques.

Neurotransmitter modulation is a pivotal neurobiological process influenced by meditation. Studies have demonstrated alterations in neurotransmitter levels, such as increased serotonin, known for its mood-regulating properties, and heightened gamma-aminobutyric acid (GABA) levels, implicated in calming neural activity. These changes contribute to the emotional regulation and stress-reducing effects associated with meditation practices. The nuanced modulation of neurotransmitters underscores the intricate interplay between contemplative practices and the biochemical milieu of the brain, highlighting the potential of meditation as a neuropharmacological intervention.

Meditation induces hormonal changes that contribute to the physiological and psychological benefits of the practice. The hypothalamic-pituitary-adrenal (HPA) axis, a key stress-response system, shows reduced activity during meditation, leading to decreased cortisol levels. Simultaneously, meditation has been linked to increased secretion of endorphins, the body’s natural painkillers, and elevated levels of oxytocin, a hormone associated with social bonding and well-being. These hormonal shifts play a crucial role in the stress-reducing, mood-enhancing, and pain-modulating effects observed in individuals practicing meditation.

Mindfulness meditation, rooted in Buddhist traditions, emphasizes non-judgmental awareness of present-moment experiences. Neurobiologically, mindfulness meditation is associated with increased activity in the prefrontal cortex, enhanced connectivity within the default mode network (DMN), and structural changes in brain regions linked to attention and self-awareness. These neuroplastic effects contribute to heightened attentional focus, emotional regulation, and an altered perception of self and others.

Loving-kindness meditation, focused on cultivating feelings of compassion and goodwill towards oneself and others, influences neural correlates associated with empathy and positive emotions. Studies suggest increased activity in brain regions such as the insula and the ventromedial prefrontal cortex, reflecting heightened emotional processing and the cultivation of empathic responses. Loving-kindness meditation’s neuroplastic effects underscore its potential role in fostering prosocial behaviors and emotional well-being.

Transcendental Meditation, characterized by the repetition of a mantra, has been linked to changes in brainwave patterns, specifically increased theta and alpha activity. These alterations are associated with a state of deep relaxation and heightened alertness. Additionally, structural changes in the prefrontal cortex and the amygdala suggest neuroplastic adaptations related to stress reduction and emotional regulation.

Yoga, incorporating physical postures and movement alongside meditative elements, induces neuroplastic changes in both motor and cognitive areas of the brain. The coordination of breath and movement in yoga practices is linked to increased gray matter density in the hippocampus and the cerebellum. These structural adaptations align with the cognitive benefits of yoga, including improved memory and executive functions. The combination of physical and contemplative elements in yoga exemplifies the diverse neurobiological effects achievable through integrated meditation practices.

Age plays a role in shaping the neuroplastic response to meditation. While research indicates that meditation can induce structural and functional changes in the brains of both younger and older individuals, the magnitude of these changes may vary. Younger individuals may exhibit more pronounced neuroplastic adaptations, highlighting the potential for meditation to influence brain health across the lifespan. However, older adults also demonstrate meaningful improvements in cognitive function and emotional well-being through meditation, underscoring its relevance as a neuroprotective intervention.

Genetic factors contribute to individual differences in meditation-induced neuroplasticity. Twin studies suggest a heritable component in the variability of meditation-related changes in brain structure and function. Specific genetic markers may influence an individual’s responsiveness to meditation practices, affecting the likelihood and extent of neuroplastic adaptations. Understanding the interplay between genetics and meditation-induced neuroplasticity opens avenues for personalized approaches in leveraging contemplative practices for mental and cognitive health.

The duration and intensity of meditation experience significantly influence the extent of neuroplastic changes. Long-term meditation practitioners, such as experienced meditators and mindfulness experts, often exhibit more robust structural and functional adaptations. These individuals may demonstrate enhanced attentional capabilities, emotional resilience, and alterations in brain connectivity. The cumulative effects of meditation experience underscore the importance of consistent practice and expertise in unlocking the full neurobiological potential of contemplative interventions.

In conclusion, the neurobiological processes involved in meditation are intricate and multifaceted, encompassing neural correlates, neurotransmitter modulation, and hormonal changes. The diverse effects of various meditation practices on neuroplasticity highlight their potential in promoting emotional well-being, cognitive enhancements, and stress resilience. Individual differences, influenced by age, genetic factors, and meditation experience, further contribute to the variability in neuroplastic responses, emphasizing the need for personalized approaches in integrating meditation into mental health interventions.

Methodological Considerations and Research Findings

Longitudinal studies play a pivotal role in unraveling the enduring effects of meditation on neuroplasticity over time. By tracking individuals across extended periods, researchers can discern the cumulative impact of meditation practices on brain structure and function. Longitudinal designs provide insights into the trajectory of neuroplastic changes, addressing questions related to the sustainability and potential dose-response relationship between meditation engagement and observed adaptations.

Randomized controlled trials (RCTs) are essential for establishing causal relationships between meditation and neuroplasticity. Through the random assignment of participants to experimental and control groups, RCTs control for confounding variables, allowing researchers to attribute observed changes directly to meditation practices. This design facilitates the isolation of meditation-specific effects, contributing to the rigor and validity of neuroplasticity research within the context of contemplative practices.

The integration of advanced neuroimaging techniques is crucial for elucidating the neural mechanisms underlying meditation-induced neuroplastic changes. Magnetic resonance imaging (MRI), functional MRI (fMRI), and diffusion tensor imaging (DTI) enable researchers to visualize structural alterations, connectivity changes, and functional adaptations in response to meditation. EEG and magnetoencephalography (MEG) provide temporal information about brain activity, offering insights into dynamic changes during meditation. The synergy of these neuroimaging modalities enhances the precision and comprehensiveness of our understanding of meditation’s impact on neuroplasticity.

Davidson et al. (2003) and colleagues conducted a seminal study examining the impact of mindfulness meditation on brain activity. Using fMRI, they observed increased activity in the left prefrontal cortex, indicative of positive emotional processing. This groundbreaking research laid the foundation for understanding how meditation could induce specific neuroplastic changes associated with emotional well-being.

Hölzel et al. (2011) conducted a landmark study investigating the structural brain changes associated with mindfulness-based stress reduction (MBSR). Using MRI, they found increased gray matter density in brain regions linked to self-awareness, compassion, and introspection. This study provided compelling evidence of the structural neuroplasticity induced by mindfulness meditation.

Tang et al. (2015) and colleagues explored the effects of integrative body-mind training (IBMT) on neuroplasticity using both structural and functional MRI. Their findings demonstrated alterations in white matter connectivity and increased functional connectivity in regions associated with self-regulation and attention. Tang et al.’s work expanded the understanding of how diverse meditation practices could induce neuroplastic changes across multiple neural systems.

Many studies exploring meditation-induced neuroplasticity face limitations related to sample size and diversity. Small and homogeneous participant samples may hinder the generalizability of findings. Future research should prioritize larger, more diverse participant pools to ensure the robustness and applicability of observed neuroplastic changes across varied demographic and cultural contexts.

Methodological challenges, such as variations in meditation techniques, duration, and intensity, pose complexities in comparing and synthesizing research findings. Establishing standardized protocols for meditation interventions and incorporating objective measures of adherence can enhance the reproducibility and reliability of results, facilitating a more comprehensive understanding of meditation’s impact on neuroplasticity.

Potential biases, including participant expectancy effects and researcher bias, may influence outcomes in meditation research. Blinding procedures and the incorporation of placebo-controlled designs can mitigate these biases, enhancing the internal validity of studies. Additionally, addressing publication bias through the transparent reporting of both positive and null findings will contribute to a more accurate representation of the overall evidence base.

In conclusion, methodological considerations in studying meditation and neuroplasticity are paramount for advancing our understanding of the intricate relationship between contemplative practices and brain adaptations. While prominent studies have made significant contributions, addressing limitations and adopting rigorous research designs will pave the way for future investigations, ultimately informing the development of targeted and evidence-based interventions in health psychology.

Conclusion

In summary, this exploration of meditation and neuroplasticity has illuminated the intricate interplay between contemplative practices and the adaptive capacity of the human brain. We began by defining meditation and providing a historical overview, emphasizing its growing importance in health psychology. The mechanisms of neuroplasticity were then delineated, covering synaptic, structural, and functional plasticity. Subsequently, we delved into the impact of meditation on neuroplasticity, exploring neural changes during meditation, effects on brain structure, influence on neural connectivity, and long-term effects.

Moving to neurobiological processes, we examined the neural correlates of meditation, neurotransmitter modulation, and hormonal changes. The types of meditation and their specific neuroplastic effects were discussed, encompassing mindfulness meditation, loving-kindness meditation, transcendental meditation, and yoga-based practices. Individual differences in meditation-induced neuroplasticity, including age, genetic factors, and meditation experience, added a personalized dimension to our understanding.

Methodological considerations outlined the importance of longitudinal studies, randomized controlled trials, and neuroimaging techniques in advancing research. Prominent studies by Davidson et al. (2003), Hölzel et al. (2011), and Tang et al. (2015) were highlighted for their pivotal contributions. However, acknowledging limitations and addressing biases in study designs emerged as crucial for the continued development of this field.

The implications of meditation-induced neuroplastic changes for health psychology are profound. Meditation serves as a holistic approach to mental and physical well-being, offering tangible benefits in stress reduction, anxiety and depression alleviation, cognitive enhancements, and pain management. The integration of contemplative practices into health psychology interventions holds promise for fostering resilience, enhancing emotional regulation, and promoting overall mental health.

Future research endeavors should focus on addressing methodological challenges, expanding sample diversity, and standardizing intervention protocols to deepen our understanding of meditation’s neuroplastic effects. Moreover, investigating the therapeutic potential of meditation for specific clinical populations and refining personalized meditation interventions based on individual differences represent avenues for further exploration. The integration of contemplative practices into mainstream healthcare, coupled with advancements in technology, offers novel opportunities for digital interventions and telehealth applications.

As we conclude this exploration of meditation and neuroplasticity within the domain of health psychology, it is evident that contemplative practices have the capacity to shape the brain in ways that promote psychological resilience and well-being. The synergy between ancient wisdom and modern neuroscience continues to unveil the transformative potential of meditation, ushering in a new era where the mind-body connection is at the forefront of health interventions. As research progresses and our understanding deepens, the integration of meditation into health psychology stands as a promising frontier, holding the promise of enhancing the human experience and fostering a harmonious balance between mental and physical health.

Bibliography

1. Chiesa, A., & Serretti, A. (2011). Mindfulness-based stress reduction for stress management in healthy people: a review and meta-analysis. The Journal of Alternative and Complementary Medicine, 17(3), 203-212.
2. Davidson, R. J., Kabat-Zinn, J., Schumacher, J., Rosenkranz, M., Muller, D., Santorelli, S. F., … & Sheridan, J. F. (2003). Alterations in brain and immune function produced by mindfulness meditation. Psychosomatic Medicine, 65(4), 564-570.
3. Desbordes, G., Negi, L. T., Pace, T. W., Wallace, B. A., Raison, C. L., & Schwartz, E. L. (2012). Effects of mindful-attention and compassion meditation training on amygdala response to emotional stimuli in an ordinary, non-meditative state. Frontiers in Human Neuroscience, 6, 292.
4. Fox, K. C., Nijeboer, S., Dixon, M. L., Floman, J. L., Ellamil, M., Rumak, S. P., … & Christoff, K. (2014). Is meditation associated with altered brain structure? A systematic review and meta-analysis of morphometric neuroimaging in meditation practitioners. Neuroscience & Biobehavioral Reviews, 43, 48-73.
5. Gard, T., Holzel, B. K., Sack, A. T., Hempel, H., Lazar, S. W., Vaitl, D., & Ott, U. (2011). Pain attenuation through mindfulness is associated with decreased cognitive control and increased sensory processing in the brain. Cerebral Cortex, 22(11), 2692-2702.
6. Goldin, P., Ziv, M., Jazaieri, H., Hahn, K., Heimberg, R., & Gross, J. (2013). Impact of cognitive-behavioral therapy for social anxiety disorder on the neural dynamics of cognitive reappraisal of negative self-beliefs: Randomized clinical trial. JAMA Psychiatry, 70(10), 1048-1056.
7. Gotink, R. A., Meijboom, R., Vernooij, M. W., Smits, M., & Hunink, M. M. (2016). 8-week Mindfulness Based Stress Reduction induces brain changes similar to traditional long-term meditation practice – a systematic review. Brain and Cognition, 108, 32-41.
8. Hölzel, B. K., Carmody, J., Vangel, M., Congleton, C., Yerramsetti, S. M., Gard, T., & Lazar, S. W. (2011). Mindfulness practice leads to increases in regional brain gray matter density. Psychiatry Research: Neuroimaging, 191(1), 36-43.
9. Hölzel, B. K., Hoge, E. A., Greve, D. N., Gard, T., Creswell, J. D., Brown, K. W., … & Yarmolovsky, J. (2013). Neural mechanisms of symptom improvements in generalized anxiety disorder following mindfulness training. NeuroImage: Clinical, 2, 448-458.
10. Klimecki, O. M., Leiberg, S., Lamm, C., & Singer, T. (2012). Functional neural plasticity and associated changes in positive affect after compassion training. Cerebral Cortex, 23(7), 1552-1561.
11. Kral, T. R., Schuyler, B. S., Mumford, J. A., Rosenkranz, M. A., Lutz, A., & Davidson, R. J. (2018). Impact of short-and long-term mindfulness meditation training on amygdala reactivity to emotional stimuli. NeuroImage, 181, 301-313.
12. Lazar, S. W., Kerr, C. E., Wasserman, R. H., Gray, J. R., Greve, D. N., Treadway, M. T., … & Fischl, B. (2005). Meditation experience is associated with increased cortical thickness. NeuroReport, 16(17), 1893-1897.
13. Luders, E., Kurth, F., Toga, A. W., Narr, K. L., & Gaser, C. (2013). Meditation effects within the hippocampal complex revealed by voxel-based morphometry and cytoarchitectonic probabilistic mapping. Frontiers in Psychology, 4, 398.
14. Lutz, J., Herwig, U., Opialla, S., Hittmeyer, A., Jäncke, L., Rufer, M., & Brühl, A. B. (2014). Mindfulness and emotion regulation—an fMRI study. Social Cognitive and Affective Neuroscience, 9(6), 776-785.
15. Pascoe, M. C., Thompson, D. R., Jenkins, Z. M., & Ski, C. F. (2017). Mindfulness mediates the physiological markers of stress: Systematic review and meta-analysis. Journal of Psychiatric Research, 95, 156-178.
16. Perlman, D. M., Salomons, T. V., Davidson, R. J., & Lutz, A. (2010). Differential effects on pain intensity and unpleasantness of two meditation practices. Emotion, 10(1), 65-71.
17. Tang, Y. Y., Lu, Q., Geng, X., Stein, E. A., Yang, Y., & Posner, M. I. (2010). Short-term meditation induces white matter changes in the anterior cingulate. Proceedings of the National Academy of Sciences, 107(35), 15649-15652.
18. Tang, Y. Y., Yang, L., Leve, L. D., & Harold, G. T. (2012). Improving executive function and its neurobiological mechanisms through a mindfulness-based intervention: Advances within the field of developmental neuroscience. Child Development Perspectives, 6(4), 361-366.
19. Weng, H. Y., Fox, A. S., Shackman, A. J., Stodola, D. E., Caldwell, J. Z., Olson, M. C., … & Davidson, R. J. (2013). Compassion training alters altruism and neural responses to suffering. Psychological Science, 24(7), 1171-1180.
20. Zeidan, F., Johnson, S. K., Diamond, B. J., David, Z., & Goolkasian, P. (2010). Mindfulness meditation improves cognition: Evidence of brief mental training. Consciousness and Cognition, 19(2), 597-605.