Tag: postsynaptic potentials

November 2, 2025 / Mohammed looti

TEMPORAL SUMMATION

Introduction and Definition of Temporal Summation Temporal summation represents a critical neural mechanism fundamental to the integrative capacity of the nervous system, describing the process by which a neuron combines the effects of multiple, subthreshold synaptic inputs arriving sequentially at the same synapse over a short period of time. This sophisticated integration is essential for […]

October 20, 2025 / Mohammed looti

SPATIAL SUMMATION

SPATIAL SUMMATION The Core Mechanism of Spatial Summation Spatial summation is a fundamental process in neurophysiology where a neuron integrates multiple simultaneous electrical inputs originating from different presynaptic neurons to determine whether it will reach its critical firing threshold. This mechanism is absolutely essential for the neuron to function as a sophisticated computational unit, effectively […]