The âline of actual controlâ between China and India in Arunachal Pradesh, which the Chinese refer to as South Tibet, is not as tense as the one in Kashmir. Talks between the two countries aimed at resolving the border issue have been going on for ten years and 15 rounds.
An excitatory postsynaptic potential, a type of graded potential, occurs because of the influx of Na+ through chemically gated channels in the receptive region, or postsynaptiâ¦c membrane, of a neuron.
Na+ (sodium) The influx of sodium ions causes the rapid depolarization during the action potential. The influx of sodium ions through open channels is favored by two factors. (1) The sodium concentration inside the neuron is only about 10% of the sodium concentration outside the neuron.