Understanding our Stone Age Brain in order to Improve our Resilience | Johnny Luk | TEDxBedford
The speaker, Johnny, argues that modern life and technology have weakened our innate human resilience, proposing that rebuilding it requires three key practices: objectively quantifying life goals, finding a meaningful purpose, and actively unlearning outdated internal narratives. He supports this by contrasting modern attention spans with the structured focus found in sport and historical examples like the Athenian Senate's recall of a harsh decree.
## Speakers & Context
- Johnny, a biology student and member of the Royal Society of Biology.
- Context is framed around the rapid changes in human social structures and attention spans, particularly noting the impact of 2020.
- Delivery is virtual, speaking to an audience about psychological concepts.
## Theses & Positions
- Attention spans have shrunk rapidly to just eight seconds, representing a challenge because "our brains are not designed for this and it hurts our resilience."
- Resilience is a quality enabling people to "come back stronger than ever," acting as "mental shock absorbers."
- Resilience in newer generations may be weaker compared to Baby Boomers (Gen Z resilience at 37 vs. Baby Boomers at 67).
- Human brains operate on ancient survival wiring (e.g., fight/flight, attraction to high-calorie foods, tribal belonging).
- Resilience requires deliberate mental effort: "we need to now put in more effort on our mind too."
- The strength of resilience is improved by objectively measuring and quantifying life goals, moving beyond mere good feelings.
- A second lesson is that resilience requires "meaningful purpose," which acts as a modern substitute for the primal need for food and water.
- The third lesson is the importance of "unlearning," arguing that the hard part is fighting against human nature and existing internal narratives.
## Concepts & Definitions
- **Resilience:** A quality allowing people to cope with shocks and "keep functioning in much the same kind of way as before."
- **Stocktail Paradox:** The idea that blind optimism (just having a good day) is insufficient and must be "married with reality, otherwise it's just delusion."
- **Caveman Brain:** Reference to our ancient, instinctual brain wiring that dictates survival responses (e.g., fear, tribal grouping).
- **De-coupling the brain:** The process of looking at problems in a third person to remove personal emotional baggage.
## Mechanisms & Processes
- **Quantifying goals:** Reviewing the day, noting highlights and lowlights, and giving the day a score out of 10 helps improve resilience.
- **Linear progress in sport:** Sport provides a measurable system where progress is "objectively," "black and white," and linear ("the more you put in the more you get out").
- **Overwriting bad thoughts:** Actively allowing the brain to overwrite negative self-perceptions to adapt outside of primal instincts.
- **Problem analysis:** Putting personal problems into a neutral, third-person format for analysis.
## Timeline & Sequence
- **Modern context:** Current time is marked by rapid change, with attention spans shrinking.
- **Personal narrative:** Speaker was born in Hong Kong, moved to Europe (Holland, Germany, UK), causing internal conflict over belonging.
- **Sports experience:** Started accidentally in rowing, which provided a routine and structure (six days a week).
- **Win:** Won the national rowing title in 2009.
- **Ancient Greek example:** Two and a half thousand years ago, the Athenian Senate voted to punish a rebel city, but later changed its mind and sent a second trireme to cancel the original order.
- **Career:** Later found work running a national charity where he experienced imposter syndrome at age 23.
## Named Entities
- **Royal Society of Biology** — organization the speaker is a member of.
- **Hong Kong** — place of speaker's birth.
- **Holland** — European country visited by speaker.
- **Germany** — European country visited by speaker.
- **UK** — current location/context.
- **Stuart Inns** — friend who shared the Stocktail Paradox.
- **James Stockton** — senior navy officer from the U.S. shot down during Vietnam.
- **Athens** — location of the ancient senate mentioned.
## Numbers & Data
- Current attention spans: **Eight seconds**.
- Difference in attention span vs. two decades ago: **Four seconds less**.
- Gen Z resilience score: **37**.
- Baby Boomers resilience score: **67**.
- Time frame for Greek senate event: **Two and a half thousand years ago**.
- Age of speaker during charity crisis: **23**.
## Examples & Cases
- **The Athenian Senate Incident:** The senate initially voted to send a trireme to "slaughter all the rebels and enslave the women and children," but later changed its mind and sent a second charim to cancel the order.
- **Rowing:** Initial bad experience sinking the boat at the British Championships; later winning the national title in 2009.
- **Charity Leadership:** Feeling unable to make tough decisions while running a national charity when he was only 23.
- **Stereotyping:** Initially stereotyped himself as "a nerd a goody two-shoes chinese kid who likes jackie chan."
## Tools, Tech & Products
- **Palm of our hands:** Metaphor for the global library carrying all of human knowledge.
- **Virtual speaking platform:** Current method of address.
## References Cited
- **Psychology Today:** Source cited for the definition of resilience.
- **Naval Raphicon:** Popular podcaster cited regarding the need to overwrite bad internal thoughts.
## Trade-offs & Alternatives
- **Current state vs. Ancient wiring:** The contrast between modern life and the ancient need for definitive tribal belonging.
- **Tweak vs. Rebuild:** The choice between merely "tweaking" one's life versus facing the hard work of "unlearning."
- **Emotional struggle vs. Objective analysis:** The trade-off between feeling the emotional weight of personal issues versus analyzing them in a neutral, third-person way.
## Counterarguments & Caveats
- Current resilience strength in younger generations is suggested to be weaker.
- The assumption that leadership must be characterized by being "the loudest the strongest the most experienced."
## Methodology
- Self-reflection, detailing personal struggles (identity, physical setbacks, career doubts) to illustrate psychological theories.
- Application of structure: using quantifiable metrics (scoring days 1-10) and pattern recognition (linear progress in sport).
- External comparative analysis: comparing the human brain's ancient, immediate survival needs to modern, abstract societal challenges.
## Conclusions & Recommendations
- The speaker's final call is to find personal control, treating life as if one were a video game character where they are "player one and you're in control."
- The central goal is self-education to change how one speaks to oneself to build resilience.
## Implications & Consequences
- Lack of self-awareness leads to falling into "echo chambers" and limiting one's self-perception.
- The human capacity for adaptation is powerful, but it requires conscious, intellectual effort alongside physical adaptation.
## Verbatim Moments
- *"our attention spans have shrunk rapidly to just eight seconds"*
- *"resilience psychology today describes it as a quality that allows some people to be knocked down by life and come back stronger than ever"*
- *"the baby boomers resilience is at a high level at 67 compared to the gen z resilience at 37"*
- *"my brain was shouting where's your tribe bro like is this is this your tribe you know are you the odd one out"*
- *"the Stocktail paradox where blind optimism just having a good day is not enough and needs to be married with reality"*
- *"the first lesson on resilience is that objectively measuring and quantifying life really helped strengthened my resilience"*
- *"it's a superpower"* (referring to motivation/purpose)
- *"the hard part isn't learning the hard part is unlearning"*
- *"I found that of course by watching ted talks looking out for role models and mentors and just talking about the fact that it was hard has helped me learn and unlearn"*
- *"it is that control in yourself over your ancient mind that will give you your resilience"*