A detailed 3D rendering of a dense cube of neuron cells interconnected by axons and dendrites, embedded in a synaptic network. The neurons appear biologically realistic. The axons and dendrites weave through the structure. Electrical impulses as bright bursts of light travel along the neurons, symbolizing synaptic firing. The background is black, enhancing the glowing effect of the impulses. The entire scene rotates slowly, giving a full 360-degree view