2. Characteristics of intrinsic afferent neurons - Conti Ca hump (N-type channel gNa. (TTX. Early AHP Na、( non TTx gca ADP Late AHP gCAN g(K, Na (IK channels (Caesium ☆ Electrophysiology K。,BK AHP current) IH current delayed rectifier Broad action potential carried by both sodium and calcium current >Followed by early and late(slow )afterhyperpolarizing potential AHP10 2. Characteristics of intrinsic afferent neurons- Conti ❖Electrophysiology ➢Broad action potential carried by both sodium and calcium current ➢Followed by early and late (slow) afterhyperpolarizing potential (AHP)