A brain. A body. A little fly.

Real neural wiring, running in your browser.

166,700neurons

25.6Mconnections

124.2Msynapses

Drag to orbit · scroll / pinch to zoom

DROSOPHILA MELANOGASTER · 3DFollowing specimen · altitude 0.0 mmWing motion shown 20× slower

Meet the simulated fly

Load the full connection map, then watch neural activity move the body.

74 MB download · runs on your device

0.00 s0.00× real time

Wingbeat0 Hz

Wing motor neurons0.0 Hz

Speed0.0 mm/s

Altitude0.0 mm

Awaiting load

Anatomical positions appear after loading

0active / 20 ms

0.00Mtotal spikes

Spikes / 20 msLast 0.0 simulated seconds

Live inputs

Raw network · no navigation assist26.1 mm to food · Odor alone does not ensure navigation

Flight circuit drive60 Hz

DNg02 → measured connections → wing motor neurons.

Allow lift-off

Wing mechanics and lift are approximations. Natural flight initiation is not reproduced.

Food odor

Light input

Touch input

Walking drive0 Hz

Stimulation of DNg13 + DNp09 neurons.

Motion feedback

Airflow · 50 mm/s

Leg contactGroundHaltere input0 HzWing strain input0 HzAntenna airflow0.0 mm/s

Body motion feeds back into annotated sensory neurons.

Synaptic transmission

Motor output

Switch either off to see whether the fly keeps moving.

Real connectome. Simplified dynamics. Neuron and body parameters are assumptions. This is an exploratory simulation, not a validated living fly.