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Namely, in this case, neurons of the visual field to react to horizontal segments almost disappear.
※ Such a change doesn’t happen over three months after the birth.
The neural circuit of brain isn’t completed just after the birth, it will be remarkably modified according to given stimuli.
※ For example, Lorenz made clear special learnings found out in the beginning after the birth called ‘imprinting’ from the viewpoint of ethology.