True

• Neocortex M1 L2/6 pyramidal intratelencephalic GLU cell Show Other

• Proximal apical dendrite Show Other

• I Na,t Show Other

• Recordings from acute brain slices and in anesthetized rats using whole-cell recordings and Ca2+ imaging found that backpropagation of action potentials into the dendritic arbor is actively supported by Na+ channels both in vitro and in vivo. Show Other