FORAGING IN SPACE

A fly brain in a new world.

PLANAR ARENAPAUSED

Dog poo +1Flytrap −1

WASD / arrows to fly

Speed

Episode return0poo +1 · trap −1 · wall −0.01/step

Collected0 / 16rewards disappear on contact

Trap contacts0avoid the open jaws

Time remaining60sstep 0 / 1800

MALE CNS / v1.0

Explore the fly’s anatomy

CONNECTING

Anatomical reference of the MaleCNS brain, optic lobes and ventral nerve cord from Janelia and collaborators.

ANATOMICAL REFERENCE · ACTIVITY UNAVAILABLE

OPTIC LOBESCENTRAL BRAINVENTRAL NERVE CORD

—modeled neurons

—directed connections

OUTPUT CONTRIBUTIONS

Select the brain pilot to measure activity for an action.

Mean activity by region

Active neurons

Waiting for a model observation

No checkpoint loadedTraining status unavailable

Sensory receipt appears after a brain action

MaleCNS: FlyEM / HHMI Janelia, Cambridge / MRC LMB & Google Research · CC BY 4.0 data. Highlights show this model’s activity and learned readout contributions, not biological causality.

Through the fly’s eyes

MONO · 100° FOV

FORWARD VIEW96 × 64 RGB

Ahead is up. Only the forward field is visible.

ATTRACTION SCENTON

Strength 0.00Source unknown

Poo and flytraps smell alike. Use vision to tell them apart.

01 / PILOT

Take the controls

Pilot

Run the episode, then use the keys or buttons.

Action space

FLY

WASD or arrow keys

02 / PERCEPTION

Agent inputs

Poo and flytraps share one attractive scent. Vision is needed to tell them apart.

03 / EPISODE

RewardsFlytraps

Duration (s)Seed

End episode on trap contact

Changing a setting starts a fresh episode. The same seed recreates the same world.

↗

Collect as much as you can before time runs out. All objects disappear on contact.

The demo is a sensor-based reflex, not a trained agent. Wing dynamics are a simplified model.

A fly brain in a new world.

Time’s up

Explore the fly’s anatomy

Active neurons

Through the fly’s eyes