OKN Drum – Web Stimulus

OKN Drum – Web Stimulus Use at low brightness. Avoid if photosensitive.

Speed (150 px/sec)

Stripe width (40 px)

Orientation Horizontal (OKN stripes) Vertical

Direction Right → Left ← Up ↑ Down ↓

Foreground (stripe) color

Background color

Contrast flip

Start / Pause

Embed via iframe with query params: ?speed=150&stripe=40&orientation=horizontal&direction=right&fg=%23ffffff&bg=%23000000