Focus

DIY transcranial electrical stimulation rigs and self-adm…

Don't build the 9V rig. Buy a constant-current box or leave your head alone.

Focus · Device · members

tACS and tRNS

Don't buy the brain zapper. Healthy adults got nothing out of it.

Focus · Device · members

Anodal tDCS over dorsolateral prefrontal cortex

Don't buy a brain stimulator. It won't make you sharper.

Focus · Device · members

Consumer vibrotactile sensory substitution wristband

Skip the buzzing wristband until somebody who doesn't sell it has tested it.

Focus · Device · members

CYP1A2 genotype and caffeine response

Don't buy the caffeine gene test. Time yourself on coffee instead.

Focus · Procedure · members

COMT Val158Met and candidate-SNP trait interpretation

Ignore your COMT result. Don't build a stack on it.

Focus · Procedure · members

APOE genotyping

Look at your APOE result. Even the worst genotype leaves most men in the clear.

Focus · Procedure · members

Cognitive offloading and the memory tradeoff

Decide you'll remember it anyway, then save it.

Focus · Practice · members

LLM as thinking partner

Make it argue with you. Never let it hand you the finished answer.

Focus · Practice · members

Time-boxing, Pomodoro and micro-breaks

Set the timer to start the work. The breaks buy you energy, not output.

Focus · Practice · members

Flow-state engineering

Set the difficulty just above what you can do, then kill every interruption.

Focus · Practice · members

Deliberate practice

Grind reps at a sport or an instrument. At work, hours won't make you great.

Focus · Practice · members