To be fair, as a term it has always been written as "Integrate-and-Fire" neuron model. In this case correct would be "Leaky Integrate-and-Fire" but that is nitpicking.

Resources that outdate ChatGPT: - W. Gerstner "Neuronal Dynamics" (2014): https://neuronaldynamics.epfl.ch/online/Ch1.S3.html - E. Izhikevich "Which model to use for cortical spiking neurons?" (2004): https://ieeexplore.ieee.org/abstract/document/1333071