Build First Brain Journal
The Build First Brain Journal

Field notes from the First Brain.

Page 32 of 38.

How to Increase Gamma Brain Waves for Insight
Networked Thought

How to Increase Gamma Brain Waves for Insight

How to increase gamma brain waves? Meditation reliably raises them, but you cannot will an insight. Gamma binds distant ideas: feed it material, train attention.

May 31, 2026 · 5 min read
Can Wearables Track Mental Fatigue? Gauge vs Upgrade
First Brain & PKM

Can Wearables Track Mental Fatigue? Gauge vs Upgrade

Can wearables track mental fatigue? Indirectly yes, HRV and pupil signals flag the load. But the gauge only shows the RAM is full. The First Brain adds RAM.

May 31, 2026 · 5 min read
Best Biohacks for Mental Clarity? Hack the Software
First Brain & PKM

Best Biohacks for Mental Clarity? Hack the Software

Best biohacks for mental clarity? Cold plunges and nootropics tune the hardware and work. But a sharp brain running no real thinking is a fast machine idling.

May 31, 2026 · 5 min read
Black Swans and Biological Imagination
First Brain & PKM

Black Swans and Biological Imagination

You cannot predict a Black Swan; by definition it is outside the data. AI is worse at it than you. The human edge is imagining the impossible and building to survive it.

May 31, 2026 · 4 min read
Brain Energy: The Mitochondria of the First Brain
Networked Thought

Brain Energy: The Mitochondria of the First Brain

Mental energy is literal: the brain burns a fifth of your energy as ATP. Fuel the engine with sleep and exercise, then make it efficient with a connected First Brain.

May 31, 2026 · 5 min read
How to Connect Ideas in the Brain: Build the Edges
Networked Thought

How to Connect Ideas in the Brain: Build the Edges

How to connect ideas in the brain? Co-activate them. Neurons that fire together wire together, so you build an edge by thinking two concepts together, repeatedly.

May 31, 2026 · 5 min read
Building an Off-World Second Brain for a Space Colony
First Brain & PKM

Building an Off-World Second Brain for a Space Colony

How to build a database for a space colony: design for total isolation. With Earth minutes away, it must be offline-first, redundant, and shaped to how the crew thinks.

May 31, 2026 · 6 min read
Object-Based Note-Taking: Why Objects Beat Pages
First Brain & PKM

Object-Based Note-Taking: Why Objects Beat Pages

Object-based note-taking treats every note as a typed thing, a person, a book, an idea, instead of a page in a folder. It mirrors how your First Brain already works.

May 31, 2026 · 6 min read
Is AI Bad for the Environment? The Hidden Footprint
AI & Cognition

Is AI Bad for the Environment? The Hidden Footprint

Is AI bad for the environment? One query is small, but about 10x a search. Routing every document through cloud AI multiplies a tiny cost by a huge volume.

May 31, 2026 · 5 min read
Codebases as External First Brains
AI & Cognition

Codebases as External First Brains

To understand a large codebase, don't read it; build a mental model. A codebase is an externalized knowledge graph, and understanding it means rebuilding it in your head.

May 31, 2026 · 5 min read
What Are Neurorights? Cognitive Liberty in the BCI Era
Neural Interfaces

What Are Neurorights? Cognitive Liberty in the BCI Era

What are neurorights? Five proposed protections for the brain: mental privacy, identity, free will, fair access, no bias. Chile enshrined them first.

May 31, 2026 · 5 min read
Cognitive Longevity and the First Brain
Mind & Learning

Cognitive Longevity and the First Brain

Keeping the brain sharp is largely modifiable: up to 45% of dementia is preventable, and a densely connected First Brain builds the cognitive reserve that resists decline.

May 31, 2026 · 4 min read
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