Undercurrent.
Explore / Psychology

Behavioural Analysis

The science of reading behaviour — deception detection, baselining, and cognitive load research.

Start here. Follow your curiosity.

Explore connections ↗
01

The Manipulation Spectrum

The best therapists, the best salespeople, and the worst cult leaders use the same techniques. The only difference is whose interest is being served — and whether you know it's happening.

02

The Four Drives

Nobody argues about what they say they are arguing about. Every difficult person in your life is protecting one of four things — and once you see it, you cannot unsee it.

03

The Authority Illusion

Authority is not a quality you have. It is a performance you execute — posture, pitch, pause, proximity. Once you see the cues, they stop working on you.

04

The Baseline

The body language industry sells certainty the science has never supported. Trained professionals detect lies at 54 percent — barely better than a coin flip.