Coaching practices for Robin Dunbar Social Brain
Describe almost anything you are working through and IX Coach finds the practices whose real-world fit is closest. For Robin Dunbar Social Brain, these are the strongest matches in the current practice library.
Does this sound like the set of challenges you might be facing?
- I’m not someone who does heart-to-hearts easily, so my friendships seem to stall out at small talk
- My calendar is packed with people and plans and yet I feel weirdly lonely in all of it
- If you asked me to name my actual five closest people I’m not sure I could
- Our brainstorms always get hijacked by the same two loud, senior voices while the quieter people
- I’m trying to keep everyone close at once and the result is that I’m stretched thin and fully present with no one
Practices that may help
- Dunbar's Number
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation. - Use shared activities rather than conversation alone to build bonds
Doing things together creates bonds more efficiently than talking about the relationship.
Dunbar's Number - Prioritize depth over breadth in social investment
Having five genuinely close friends is more protective of wellbeing than having fifty adequate ones.
Dunbar's Number - Map your social layers using Dunbar's concentric circles
Know which five people are in your inner circle and who fills the 15 and 50 layers.
Dunbar's Number - Use round-robin turns to equalize contribution
Give everyone a timed, equal turn — it prevents a few voices from dominating and pulls quieter members into the space.
Osborn’s Brainstorming Rules, Made Practical - Triage your outer layers to protect inner-layer capacity
You cannot expand your inner circle without something moving outward — the constraint is cognitive, not motivational.
Dunbar's Number - Invest contact time as the currency of closeness
Relationships are maintained by time investment; without it, they drift toward outer layers.
Dunbar's Number - Maintain weak ties for information and opportunity
The 50-to-150 layer isn't maintenance overhead — it's your network's reach.
Dunbar's Number - Building a Second Brain (BASB), Made Practical
Building a Second Brain (BASB) is Tiago Forte’s system for capturing, organizing, distilling, and expressing ideas using a personal knowledge management (PKM) system. The four-step CODE framework (Capture, Organize, Distill, Express) structures an external system that reduces the cognitive load of remembering and re-finding information. BASB is a practitioner framework grounded in cognitive-offloading and note-taking research rather than a formally tested protocol. - Actively connect ideas across projects and topics
When working on a project, deliberately search your notes for ideas from unrelated domains that might apply.
Building a Second Brain (BASB), Made Practical
Related concerns
- Dunbars Number After A Loss
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
- Dunbars Number As A Parent
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
- Dunbars Number At Work
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
- Dunbars Number During Conflict
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
- Dunbars Number For My Teenager
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
- Dunbars Number Layers
Robin Dunbar's research proposes that the human neocortex supports a stable social group of roughly 150 people, with nested layers of closer relationships (5, 15, 50) requiring progressively more time investment to maintain. The 150-person figure has observational support across hunter-gatherer societies, historical military units, and company sizes; the nested-layer model is more contested. The practical implication is that meaningful relationships are a limited resource that require deliberate allocation.
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