Speaker
Dr. Jill Bolte Taylor
Appearances over time
1 episodes
Episodes
1
Podcasts
Quotes & moments
Every human brain contains four distinct 'character' personalities rooted in two emotional and two thinking systems across the left and right hemispheres.
Trauma and addiction — including craving driven by the insular cortex — are stored in the emotional system of the left hemisphere, not the right.
The amygdala is constantly scanning the environment asking 'Am I safe?' — with the right amygdala responding to immediate threats and the left processing narrative-based fear.
After suffering a massive stroke, Dr. Jill Bolte Taylor spent 8 years using neuroplasticity to rebuild the skill sets of her brain.
The right hemisphere has no concept of past or future — it exists entirely in the present moment, meaning it cannot harbour anxiety rooted in memory or anticipation.
During gestation, a developing human multiplies cells at the extraordinary rate of 250,000 new cells per second.
A woman is born with approximately 400,000 egg cells, of which around 500 are involved in monthly follicular cycles, making conception a matter of extraordinary odds.
A recent Harvard study using fMRI confirmed that manipulating which side of the visual field receives light can preferentially stimulate different brain hemispheres.
Dr. Jill Bolte Taylor highlights a very high rate of physician suicide, driven by societal pressure to remain in left-brain thinking mode with no space for play or emotional rest.
Light entering from the lateral visual field hits the medial retina and crosses to the opposite hemisphere — meaning special goggles can deliberately target left or right brain activation.
Meditation is fundamentally a practice of quieting left-hemisphere chatter — judgment, ego, and time-based anxiety — to open access to the right hemisphere's innate sense of peace.
The right-emotional Character 3 personality is impulsive and consequence-blind — Dr. Taylor notes it can lead people to reckless decisions like trespassing simply for the thrill of the moment.
Your brain isn't one personality — it's four. Left-thinking (Character 1) is your analytical, goal-driven self. Left-emotional (Character 2) stores your trauma and grudges. Right-emotional (Character 3) is playful and consequence-free. Right-thinking (Character 4) is pure wisdom and awe. Most people only consciously use one at a time.
Character 1 says you don't have time to play basketball. Character 3 says 20 minutes of play will make everything after it better. Character 3 is correct. Play releases endorphins, breaks linear momentum, and sends you back to work more creative and open. This isn't soft — it's strategy.
An extreme left-brain society produces exactly what we see: ego, tribalism, emotional volatility, and a zero-sum 'me vs. you' worldview. The right hemisphere's antidote is awe — a felt sense that being alive is a privilege. That's not spirituality. That's neuroscience.
Your egg cell formed during your grandmother's pregnancy, survived 400,000 competitors, and then multiplied at 250,000 cells per second for nine months to become you. The odds were astronomical. Dr. Taylor argues that recognising this isn't sentimentality — it's the fastest route to awe and mental health.
By blocking one side of the visual field, lateral-light goggles route photons to the opposite hemisphere via the medial retina. Steven Bartlett goes from 'focused on the interview' to 'I feel like I'm on a sun lounger' in under 20 seconds — no placebo, just anatomy.
Switching brain characters isn't a skill you acquire once — it's a daily practice. Step one: observe which character is running the show right now. Step two: know each character well enough to invite a different one. The payoff is choosing your mental state like choosing a gear.
Physicians are expected to live in left-brain Character 1 mode permanently. No play, no rest, no right-hemisphere access. Dr. Taylor's solution? Hopscotch outside the ER. Literally. It worked — and it illustrates why Character 3's playfulness isn't a luxury but a survival mechanism.
Trauma and addiction are stored in Character 2 — the left hemisphere's emotional system. The insular cortex drives craving. But Dr. Taylor's insight is radical: don't try to destroy this part of you. It's trying to protect you. Love it instead.
Dr. Jill Bolte Taylor suffered a massive stroke and spent 8 years rebuilding her brain from scratch using neuroplasticity. Neurons reach out, make new connections, and literally grow toward new information. That's how learning works — and it's what saved her life.
The amygdala is running a constant background threat scan. The right amygdala flags present-moment danger; the left replays past danger. When they're quiet, you can learn. When they fire, nothing else matters. This is the hardware, not a personality flaw.
It's not just a feeling. A recent Harvard fMRI study confirmed that manipulating the lateral visual field measurably shifts brain hemisphere activation. Frederick Schiffer has been using the same principle in psychiatric treatment at Harvard Medical School for decades.
Analysis
What they talk about
- Health & Fitness 46%
- Science 27%
- Society & Culture 27%
