expresses expresses GABAergic interneuron NPY interneuron 2025-07-07T09:04:45Z An interneuron that expresses neuropeptide Y (NPY) and is mainly located in cortical layers II–III and VI, as well as in various brain regions such as the medial geniculate and inferior colliculus. The NPY cell population is physiologically diverse, displaying a range of firing behaviors, including adapting, fast-spiking, and accelerating patterns. NPY-expressing neocortical interneuron NPY-expressing neuron neuropeptide Y