Rapid threat assessment in the Drosophila thermosensory system.

Neurons that participate in sensory processing often display "ON" responses, i.e., fire transiently at the onset of a stimulus.

Robustness and plasticity in Drosophila heat avoidance.

Simple innate behavior is often described as hard-wired and largely inflexible. Here, we show that the avoidance of hot temperature, a simple innate behavior, contains unexpected plasticity in Drosophila. First, we demonstrate that hot receptor neurons of the antenna and their molecular heat sensor, Gr28B.