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How interactions among neurons depend on stimulus complexity remains unclear. Here the authors characterize stimulus-dependence of triplet connectivity patterns and modules in functional networks of neurons, revealing a key organizational principle.
The Drosophila mushroom body, a well-studied olfactory learning center, also receives visual input with unknown function. Here, the authors leverage the FlyWire connectome to identify and characterize properties of visual inputs to the mushroom body.
Sensory processing can be influenced by non-sensory signals. Here, the authors demonstrate that, in the primary olfactory cortex, odour-responsive neurons acquire multiple non-sensory signals through learning, improving odor decoding and discrimination.
Innate fear-like responses are thought to involve the amygdala, but here a tetra-synaptic pathway is identified that mediates odour-evoked innate fear in mice.