What is Troxler's fading?

Troxler's fading is a perceptual phenomenon where stationary peripheral stimuli disappear from awareness when you fix your gaze on a central point. It demonstrates how the brain discards 'unchanging' input.

What is the motion aftereffect?

After watching sustained motion in one direction, stationary objects briefly appear to drift in the opposite direction. It reveals direction-selective neurons in visual cortex adapting to prolonged input.

Why do these illusions matter?

They show that perception is constructed, not received. The brain edits, predicts, and discards sensory data — which has implications for everything from eyewitness testimony to meditative experience.

Are these illusions safe?

Yes. Effects are temporary and fully reversible. People prone to migraines or photosensitive seizures should avoid the strobing variants and stop if discomfort arises.

Visual Perception

Ganzfeld, Troxler's Fade, Motion Aftereffect — exploit your visual cortex

Read Guide

Perceptual Gateways

Visual Illusions

Your visual cortex is not a camera — it is a prediction engine. These techniques exploit its assumptions to induce altered states, enhance focus, and shift consciousness.

⚠ Photosensitive warning: the Dreamachine Flicker may trigger seizures in susceptible individuals.

Digital Ganzfeld

2–5 min

Stare at the center dot. After 60 seconds, visual hallucinations may emerge — your brain, starved of pattern, begins generating its own imagery.

Induces hypnagogic-like states, enhances creative ideation, and has been used in psi research to facilitate telepathic reception.

1/8

Summoning the rite…

Step by Step

How to explore the visual perception tools

Run Ganzfeld, Troxler's Fade, and motion aftereffect demonstrations that exploit the visual cortex.

Approx. 10 min

1
Pick a demonstration
Choose Ganzfeld for sensory homogenization, Troxler's Fade for peripheral disappearance, or Motion Aftereffect for the waterfall illusion.
2
Read the instructions
Each demo has a specific fixation target. Following it precisely is what triggers the effect.
3
Hold steady gaze
Most illusions require 20–60 seconds of unmoving fixation. Eye drift resets the effect.
4
Note when the effect appears
Colors wash, peripheral objects fade, or motion reverses. The shift is genuine neural adaptation, not imagination.
5
Try the others
Each demonstration reveals a different cortical mechanism. Compared, they show how much of 'seeing' the brain constructs.

Frequently Asked