Concept of Lateral Inhibition | Neural Coding

In neurobiology, lateral inhibition is the capacity of an excited neuron to reduce the activity of its neighbours. Lateral inhibition disables the spreading of action potentials from excited neurons to neighbouring neurons in the lateral direction. This creates a contrast in stimulation that allows increased sensory perception. It is also referred to as lateral antagonism and occurs primarily in visual processes, but also in tactile, auditory, and even olfactory processing.Cells that utilize lateral inhibition appear primarily in the cerebral cortex and thalamus and make up lateral inhibitory networks (LINs). Artificial lateral inhibition has been incorporated into artificial sensory systems, such as vision chips,[3] hearing systems,[4] and optical mice.[5][6] An often under-appreciated point is that although lateral inhibition is visualised in a spatial sense, it is also thought to exist in what is known as "lateral inhibition across abstract dimensions." This refers to lateral inhibition between neurons that are not adjacent in a spatial sense, but in terms of modality of stimulus. This phenomenon is thought to aid in colour discrimination.

Source : https://en.wikipedia.org/wiki/Lateral_inhibition

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