IPSP

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IPSP is the inhibitory postsynaptic potential, which hyperpolarizes postsynaptic membrane ^[1].

the neurotransmitter is released by inhibitory synapse

Events that occur in postsynaptic membrane:

Chloride ions will enter postsynaptic membrane
Potassium ions will leave postsynaptic membrane
Small hyperpolarization occurs, leading to diminishing graded potential

References

↑ Alberts, et al. Molecular Biology of the Cell. 5th ed. Garland Science. 2008 pp 688

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