IA channel References IA channel biology Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: nervous system/ Potassium channelsIA channels are opened by depolarization following hyperpolarization. By increasing the interval between action potentials, they help a neuron to fire repetitively at low frequencies. Read MoreIA channels are opened by depolarization following hyperpolarization. By increasing the interval between action potentials, they help a neuron to fire repetitively at low frequencies. Read More