Build First Brain Journal
The Build First Brain Journal

Field notes from the First Brain.

Page 21 of 27.

How to Heal Screen Brain: Active Cognitive Rehab
Networked Thought

How to Heal Screen Brain: Active Cognitive Rehab

How to heal screen brain? Deleting apps stops the harm but rebuilds nothing. Recovery is active rehab: daily node-linking that retrains attention like a muscle.

May 31, 2026 · 5 min read
How to Stop AI From Thinking for You: Sovereignty
Cognitive Sovereignty

How to Stop AI From Thinking for You: Sovereignty

How to stop AI from thinking for you? Reverse the order. Form your own view first, then bring in AI to challenge it. Consult it first and you surrender authorship.

May 31, 2026 · 5 min read
Data Privacy and the Exocortex: Feeding AI Your Notes
First Brain & PKM

Data Privacy and the Exocortex: Feeding AI Your Notes

Is it safe to feed your second brain to AI? Consumer AI often trains on your inputs by default. Reduce the risk, but keep your most private thinking in your First Brain.

May 31, 2026 · 4 min read
Debugging the First Brain: Logic Building in Programming
AI & Cognition

Debugging the First Brain: Logic Building in Programming

Logic building is not syntax; it is an accurate mental model of the system. A bug is a broken edge in that model, and offloading code to AI quietly stops you building it.

May 31, 2026 · 5 min read
Can We Survive Without Computers? The 20-Watt Brain
First Brain & PKM

Can We Survive Without Computers? The 20-Watt Brain

Can humanity survive without computers? Yes, the original one runs on 20 watts of glucose and oxygen, not a power grid. The First Brain is the resilient substrate.

May 31, 2026 · 5 min read
How to Spot Deepfakes in 2026: Check the Story
Cognitive Sovereignty

How to Spot Deepfakes in 2026: Check the Story

How to spot deepfakes in 2026? Pixel hunting is a losing arms race. The durable test is narrative: does the video fit the subject's known behavior and context?

May 31, 2026 · 5 min read
Why You're Addicted to Organizing Your Notes
First Brain & PKM

Why You're Addicted to Organizing Your Notes

Why am I addicted to organizing notes? Rearranging the vault is productive procrastination: a cheap dopamine hit. Real learning pays out after friction.

May 31, 2026 · 4 min read
How to Interview Retiring Experts: Extract the Graph
Networked Thought

How to Interview Retiring Experts: Extract the Graph

How to interview retiring experts? Don't ask for facts; their best judgment is tacit. Use cognitive task analysis to extract the conceptual graph, not the data.

May 31, 2026 · 5 min read
How Do I Know If My Notes Are True? Build a Verifier
First Brain & PKM

How Do I Know If My Notes Are True? Build a Verifier

How do I know if my notes are true? Not in isolation. A claim is justified by how it coheres with your wider web of knowledge, so you need a built mind to check it.

May 31, 2026 · 5 min read
The Local-First Exocortex: Run a Private LLM on Your Notes
First Brain & PKM

The Local-First Exocortex: Run a Private LLM on Your Notes

You can run a private LLM over your own notes, fully offline. But RAG only reflects what you wrote, so the answers are capped by how well-structured your notes are.

May 31, 2026 · 4 min read
The Future Entrepreneur: From Operator to Philosopher
First Brain & PKM

The Future Entrepreneur: From Operator to Philosopher

Future of the entrepreneur? As AI drives execution to near-zero cost, the founder shifts from managing operations to supplying vision, taste, and judgment.

May 31, 2026 · 5 min read
Gamifying the First Brain: Make Learning Fun for Adults
Mind & Learning

Gamifying the First Brain: Make Learning Fun for Adults

Adults learn for fun when it meets the needs games do, autonomy, competence, and flow, not empty points. Treat building your First Brain like leveling a skill tree.

May 31, 2026 · 4 min read
What Replaces Notion and Obsidian? Generative UI
First Brain & PKM

What Replaces Notion and Obsidian? Generative UI

What will replace Notion and Obsidian? Not an app, but generative UI: interfaces built on the fly by AI. When the app dissolves, your First Brain steers.

May 31, 2026 · 5 min read
Godlike Intelligence as a Moral Imperative
First Brain & PKM

Godlike Intelligence as a Moral Imperative

We built godlike technology while running on Paleolithic instincts. Upgrading the mind that wields the tools is starting to look less like ambition and more like duty.

May 31, 2026 · 6 min read
Governing AI from the First Brain: How to Regulate AI
First Brain & PKM

Governing AI from the First Brain: How to Regulate AI

Regulating AI faces two traps: law moves slower than tech, and you can't write rules for what you don't understand. The deepest lever is upgrading the regulators.

May 31, 2026 · 4 min read
Is Heptabase Good for Studying? Visual Thinking Done Right
First Brain & PKM

Is Heptabase Good for Studying? Visual Thinking Done Right

Is Heptabase good for studying? For visual learners, yes. Its spatial whiteboard of connected cards mirrors how the First Brain stores knowledge.

May 31, 2026 · 5 min read
High-Context Minds in a Low-Context AI World
First Brain & PKM

High-Context Minds in a Low-Context AI World

AI gives better output with better context because a model is low-context: it knows only what you type. Giving it good context starts with a clearly mapped mind.

May 31, 2026 · 4 min read
How Does the Brain Store Concepts? Like Embeddings
Future & Language

How Does the Brain Store Concepts? Like Embeddings

How does the brain store concepts? Not as pixels but as meaning. Concept cells fire for an idea in any form, a sparse pattern much like an AI embedding.

May 31, 2026 · 5 min read
How the Collector's Fallacy Ruins Your PKM System
First Brain & PKM

How the Collector's Fallacy Ruins Your PKM System

How does the collector's fallacy ruin personal knowledge management? It makes your system worse as it grows: bloat, search cost, false confidence.

May 31, 2026 · 5 min read
Do Translations Lose Meaning? Read Past the Words
Future & Language

Do Translations Lose Meaning? Read Past the Words

Do translations lose meaning? Some, yes, connotation and wordplay slip. But the conceptual structure survives. Read past the words to the idea your graph can anchor.

May 31, 2026 · 5 min read
How to Use Obsidian to Upgrade Your First Brain
First Brain & PKM

How to Use Obsidian to Upgrade Your First Brain

Obsidian is a mirror: it reflects your mind, it does not create it. To use it for thinking, link on capture, write atomic notes, and review by retrieval, not features.

May 31, 2026 · 4 min read
Do Hyperbaric Chambers Improve Intelligence?
Networked Thought

Do Hyperbaric Chambers Improve Intelligence?

Do hyperbaric chambers improve intelligence? Not exactly. HBOT can improve specific cognitive functions via angiogenesis, but it upgrades hardware, not knowledge.

May 31, 2026 · 5 min read
Do Young Employees Need Mentors in the AI Age?
First Brain & PKM

Do Young Employees Need Mentors in the AI Age?

Do young employees need mentors? More than ever. With AI giving instant answers, the mentor's value flips: not facts, but tacit judgment and reasoning pressure.

May 31, 2026 · 5 min read
Does Microdosing Improve Creativity? The Evidence
Networked Thought

Does Microdosing Improve Creativity? The Evidence

Does microdosing improve creativity? Controlled trials show a modest, selective effect: better-quality ideas and wider mental search, not more ideas or sharper focus.

May 31, 2026 · 5 min read