Podcasts > The Diary Of A CEO with Steven Bartlett > No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

By Steven Bartlett

In this episode of The Diary Of A CEO, brain scientist Jill Bolte Taylor discusses her research on the four distinct personalities within the human brain. She explains how each personality corresponds to different brain structures and serves unique functions, from detailed planning to emotional processing. Taylor shares insights about how modern society's emphasis on left-brain characteristics may contribute to various mental health challenges.

The discussion draws from Taylor's personal experience with a hemorrhagic stroke that affected her left hemisphere at age 37. Through her recovery journey from losing basic functions like walking and talking, she developed new perspectives on consciousness and human connection. Taylor presents her concept of "whole-brain living," which involves understanding and intentionally engaging different parts of the brain based on situational needs.

No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

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No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

1-Page Summary

Four Personalities of the Brain

Jill Bolte Taylor introduces the concept of four distinct personalities within the human brain, each corresponding to different anatomical structures. These personalities, she explains, have consistent traits and can be consciously managed for better brain function. The first character handles detailed planning and wisdom, the second manages individuality and past experiences, the third deals with emotional impulses, and the fourth focuses on present-moment awareness.

Taylor emphasizes that by understanding these different personalities and recognizing when they're active, we can intentionally shift between them based on situational needs. For instance, when learning a new skill like tennis, we might start with the detail-oriented first character before transitioning to the experiential third character as we become more proficient.

Left-Brain Imbalance and Its Impact on Mental Health

According to Taylor, modern society overly emphasizes left-brain characteristics, such as analytical thinking and individual focus, leading to various mental health challenges. She notes that this imbalance can result in trauma, addiction, and disconnection from others, as the left brain tends to prioritize individual needs over collective well-being.

To counter this imbalance, Taylor suggests engaging the right brain through activities like meditation, play, and spending time in nature. The right hemisphere, she explains, helps us experience connection with others and appreciate the bigger picture, offering a necessary counterbalance to the left brain's individualistic tendencies.

Taylor's Stroke Experience and New Life Perspective

Taylor's personal experience with a hemorrhagic stroke in her left hemisphere dramatically altered her understanding of consciousness and connection. The stroke left her unable to perform basic functions like walking, talking, or reading, effectively reducing her to what she describes as "an infant in a woman's body" at age 37.

Despite the devastating effects, Taylor found profound meaning in her experience. Through her recovery, she discovered a deeper appreciation for the present moment and the interconnectedness of all things. This transformation led her to advocate for "whole-brain living," emphasizing the importance of engaging both hemispheres intentionally rather than operating on automatic pilot.

1-Page Summary

Additional Materials

Clarifications

  • Left-brain characteristics, such as analytical thinking and individual focus, are associated with logical reasoning and problem-solving skills. An overemphasis on these traits can lead to an imbalance in cognitive processing, potentially causing mental health challenges like stress, anxiety, and a sense of disconnection from others. Engaging the right brain through activities like meditation and spending time in nature can help restore balance by fostering creativity, emotional connection, and a broader perspective on life. This balance between the left and right brain hemispheres is crucial for overall well-being and holistic brain function.
  • Jill Bolte Taylor's stroke in her left hemisphere left her with significant impairments, impacting her ability to perform basic functions like walking and talking. Despite the challenges, Taylor found a new perspective on life, emphasizing the importance of living in the present moment and recognizing the interconnectedness of all things. This transformative experience led her to advocate for a holistic approach to brain function, encouraging intentional engagement of both hemispheres for a more balanced and fulfilling life.

Counterarguments

  • The concept of distinct "personalities" within the brain is a metaphorical interpretation that may oversimplify the complex and dynamic nature of brain functions, which are not strictly compartmentalized.
  • The idea of managing these personalities for better brain function suggests a level of conscious control over brain processes that may not be fully supported by current neuroscience.
  • The division of brain functions into left-brain and right-brain attributes is considered an oversimplification by many neuroscientists, as cognitive processes tend to involve distributed networks across both hemispheres.
  • The notion that modern society causes a left-brain imbalance that leads to mental health challenges is a broad generalization that may not account for the multifactorial nature of mental health disorders.
  • While activities like meditation and spending time in nature can be beneficial for mental health, the assertion that they specifically engage the right brain is an oversimplification that may not fully align with neuroscientific understanding.
  • Taylor's personal experience with a stroke is a single anecdote and, while powerful, may not be generalizable to the experiences of others with similar conditions or to the population at large.
  • The advocacy for "whole-brain living" is a positive message, but it may lack specific, evidence-based strategies for how individuals can achieve this balance in practical terms.

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No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

Four Personalities of the Brain

Jill Bolte Taylor brings to light the existence of four distinct personalities within the human brain, structured according to our brain's architecture. She suggests that understanding and managing these personalities enables deliberate and beneficial engagement of our full brain's capabilities.

Four Distinct Personalities From Brain's Structure

Taylor reveals that the human brain is divided into four different anatomically structured parts that relate to distinct "characters," or personalities, each with consistent traits. She underlines the importance of conscious choice and claims that it isn't widely understood or acknowledged because society functions primarily through the left thinking portion of the brain.

Brain Divided Into Four Skill Areas

These four areas, according to Taylor, lead to the development of different characters or personalities. The cerebral cortex, an intricate part of our organ, distinguishes humans from other animals. Character one, linked with detailed planning and the wisdom of knowledge and experience, plays a pivotal role in learning and new connections thanks to neuroplasticity. Character two is the left emotion, tied to individuality and storage of past pain, reacting to present moments based on past experiences to protect us.

Each Area Leads To a Distinct "Character" or Personality With Predictable Traits

Characters three and four each represent different spectrums of emotion and thinking. Character three is emotional and immature, related to impulsive behaviors without considering consequences. On the other end, character four represents the thoughtful, experiential aspects of the present moment. Taylor emphasizes that each ability we possess corresponds to organized brain cells carrying out specific functions.

Identifying and Understanding Your Four Brain Personalities

Taylor indicates that each personality corresponds to a specific part of the brain. By becoming aware of the different personalities and when they are active, we can understand how to switch between them depending on the situation. Each personality has the potential to dominate our behavior in specific contexts, whether that means holding grudges, being open to new experiences, or being playful.

Awareness of Brain Region Activity and Corresponding Personality

To be most effective in various situations, it is crucial to be conscious of our brain's activity and the corresponding personality. Recognizing which part of the brain is engaged allows us to use it deliberately, ranging from left thinking judgment to experiential emotional ...

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Four Personalities of the Brain

Additional Materials

Clarifications

  • The concept of four distinct personalities within the human brain, as described by Jill Bolte Taylor, is based on the idea that different regions of the brain are associated with specific traits and behaviors. Each "personality" corresponds to a different part of the brain and is characterized by unique functions and tendencies. By understanding and recognizing these personalities, individuals can learn to navigate and leverage their brain's capabilities more effectively in various situations. This framework suggests that by being aware of these distinct aspects of the brain, individuals can consciously shift between these personalities to adapt and respond appropriately to different circumstances.
  • Character one is associated with detailed planning, wisdom, knowledge, and experience. Character two is linked to emotions, individuality, and the storage of past pain. Character three is characterized by impulsivity and a lack of consideration for consequences. Character four represents thoughtfulness, experiential aspects, and being present in the moment.
  • Consciously switching between different brain personalities involves being aware of which part of the brain is active and intentionally engaging the corresponding personality traits ...

Counterarguments

  • The concept of distinct "brain personalities" may oversimplify the complexity of the brain's functions and interactions.
  • The division of the brain into four parts with specific personalities may not be supported by empirical evidence and could be considered a metaphor rather than a scientific fact.
  • The idea that each part of the brain corresponds to a fixed "character" or personality might not account for the plasticity and adaptability of the brain.
  • The notion of shifting between brain personalities at will could be challenged by neuroscientific research that shows our cognitive processes and emotional responses are often automatic and not easily controlled consciously.
  • The theory may not adequately address the influence of environmental factors, genetics, and individual differences on brain function and personality.
  • Some may argue that the model presented by Ji ...

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No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

Left-Brain Imbalance and Its Impact on Mental Health

Jill Bolte Taylor and other experts discuss the problems arising from society's overemphasis on left-brain characteristics and the benefits of balancing both hemispheres.

Left Brain's Focus on Individual, Details, and Logic

Taylor states that the left hemisphere of the brain, which she describes as the ego center, sees the individual at the center of the world, and that in society, we tend to value aspects of left-brain functionality, such as being analytical, organized, and structured. However, she explains that this comes at a cost and does not necessarily lead to happiness when overly valued. This left-brain dominance is linked to issues like trauma, cravings, and addiction due to its focus on the individual, details, logic, and structure.

Left Brain Overly Valued In Society, Causing Imbalance

Taylor suggests that an imbalance occurs in society because of an overemphasis on left-brain dominated traits, leaving little value for the collective perspective. She points out that the left brain, with its "me and mine" focus, can foster a selfish world, as evidenced by the left side of the brain wanting more for the self.

Left Brain Dominance Causes Trauma, Addiction, Disconnection

Taylor notes that the emotional system within the left hemisphere is responsible for the recollection of traumatic events, addiction, and cravings. The left brain's dominance is connected to emotional volatility when offended and a disconnection from the collective. She emphasizes that modern society tends to reinforce the left hemisphere's focus through platforms such as YouTube and social media, which can lead to discontent and poor life choices.

Balancing Left and Right Brain Hemispheres

Right Brain Focuses On Present, Big Picture, Connection

The right hemisphere doesn't perceive the individual as separate but as part of everything, contrary to the left hemisphere. Taylor invites people to experience the "pause" of the right brain that engages us in the present moment and lets us feel as part of a larger whole, thus balancing the active phases with necessary rest and recovery.

Engaging the Right Brain: Meditation, Play, an ...

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Left-Brain Imbalance and Its Impact on Mental Health

Additional Materials

Clarifications

  • Left-brain dominance relates to the overemphasis on traits like logic, analysis, and structure, often leading to an imbalance with the right brain. This imbalance can contribute to issues like trauma, addiction, and disconnection from others due to the left brain's focus on the self and details. Balancing both hemispheres through activities like meditation and engaging with the present moment can help mitigate the negative impacts of left-brain dominance on mental health. Achieving a balance between the left and right brain can lead to a more holistic and fulfilling human experience.
  • The left brain's dominance, with its focus on individuality and logic, can lead to heightened emotional responses to traumatic events. This emotional intensity can trigger cravings and addictive behaviors as coping mechanisms. The left hemisphere's tendency to prioritize the self over collective connections can contribute to a sense of disconnection and a reliance on substances or behaviors for emotional regulation. This imbalance in brain function can manifest in various mental health challenges related to trauma, cravings, and addiction.
  • The left brain's dominance is associated with emotional processing, including the recollection of traumatic events, addiction, and cravings. This dominance can lead to emotional volatility when triggered, as the left hemisphere is primarily responsible for processing negative emotions. Additionally, an overactive left brain can contribute to a sense of disconnection from others and the collective, as it tends to prioritize individualistic thinking over relational or communal perspectives. This imbalance in brain function can manifest in various mental health challenges, emphasizing the importance of ...

Counterarguments

  • The theory of left-brain/right-brain dominance and its impact on personality and behavior is overly simplistic and not fully supported by scientific research. Neuroscientists argue that while there are functional specializations in each hemisphere, the brain does not operate on a strictly lateralized basis.
  • The idea that individual traits such as being analytical or organized are inherently negative or lead to mental health issues is an oversimplification. These traits can be beneficial and contribute positively to society and individual well-being when balanced with other characteristics.
  • The connection between left-brain dominance and specific mental health issues like trauma and addiction is not conclusively established. These conditions are complex and multifactorial, with numerous biological, psychological, and social contributing factors.
  • The concept of balancing the brain hemispheres as a path to mental health may not have a strong empirical basis. Mental health is influenced by a wide array of factors, and while activities like meditation and spending time in nature can be beneficial, they are not a cure-all.
  • The effectiveness of techniques such as covering one eye to stimulate the opposite brain hemisphere or using special glasses for brain balance is not widely recognized or validated by the broader ...

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No.1 Brain Scientist: My Brain Shut Down & I Realised Everything I Believed Was Wrong!

Taylor's Stroke Experience and New Life Perspective

Jill Bolte Taylor's stroke experience transformed her perception of life, leading to a profound change in how she views the world and interacts within it.

Left Brain Function Loss and Consciousness Shift

Stroke Left Her Mute, Illiterate, or Amnesiac

Jill Bolte Taylor suffered a hemorrhagic stroke in the left hemisphere of her brain, which significantly impaired the language and number processing areas. This stroke left her unable to walk, talk, read, write, or recall any of her life, essentially making her an "infant in a woman's body" at 37. It took her four years to understand the concept of "one," showcasing the extent to which her stroke impacted her linguistic and numerical comprehension. During her recovery, she was no larger than a single moment since her right hemisphere did not possess a concept of the past or future.

Unity and Connection in the Present

After her stroke, Bolte Taylor describes a shift in consciousness. During the stroke, she drifted in and out of the immediacy of the present moment, feeling connected to the universe and detached from her own body. She experienced a blissful state associated with her right hemisphere, which stood in sharp contrast to the individualism valued by the left. Through the experience, she sensed unity and connection in the present and expressed a newfound appreciation for joy, love, laughter, and the present moment.

The Gift of a New Outlook on Life

Finding Gratitude and Joy After Devastation

Despite the devastation of the stroke, Jill Bolte Taylor found a renewed sense of gratitude. She expressed excitement and awe for the miracle of life and felt deeply grateful to be alive. She conveyed thankfulness for surviving and the chance to grow and heal following her stroke. Steven Bartlett noted Taylor's energy and dedication to gratitude and appreciation, even after all she had been through.

Prioritizing Whole-Brain Engagement Experiences

Afterward, Taylor advocated whole-brain living and the importance of engaging both halves of the brain to run "on purpose" rather than "on a ...

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Taylor's Stroke Experience and New Life Perspective

Additional Materials

Actionables

  • You can create a "Right Hemisphere Day" where you focus solely on activities that engage your creative and sensory experiences, like painting, listening to music, or walking in nature, to foster a sense of present-moment awareness and connection.
    • This practice encourages you to step away from analytical thinking and immerse yourself in the world through your senses, similar to how Jill Bolte Taylor experienced the world through her right hemisphere during her recovery. For example, spend a day taking photos of things that make you feel connected to the world around you, or try cooking a new recipe using only your sense of smell and taste as guides.
  • Start a gratitude jar where every day you write down something you're grateful for and place it in the jar, building a physical representation of joy and gratitude.
    • This tangible collection serves as a daily reminder of the preciousness of life and can be particularly uplifting on challenging days. For instance, you might write down "the warmth of the sun" or "a kind message from a friend," and then, during moments of stress or sadness, you can read through your notes to remind your ...

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