http://www.rewiring-neuroscience.com/348/
Vision is the senior sense. The much newer ability to hear probably mimiced the pattern established by its older sibling. Incoming sound must be depicted as a Fourier pattern in order to gain access to a neuronal memory machine originally evolved for thinking in pictures.
We can guess that the machinery already in place for image recognition was ported over — tinkered into place — and made to work. This suggests speech recognition in the brain happens in the frequency domain. In effect, sounds become images in the frequency domain, that is Fourier patterns. They are matched to sonic Fourier images from memory. Multiple comparators we have styled as Fourier flashlights or projectors are set up and constantly running short film strips — dictionaries this time — in parallel. The system is massively parallel, multitasking and, as in the visual system, memory anticipates reality. Incoming words are recognized almost instantaneously.
Vision is the senior sense. The much newer ability to hear probably mimiced the pattern established by its older sibling. Incoming sound must be depicted as a Fourier pattern in order to gain access to a neuronal memory machine originally evolved for thinking in pictures.
We can guess that the machinery already in place for image recognition was ported over — tinkered into place — and made to work. This suggests speech recognition in the brain happens in the frequency domain. In effect, sounds become images in the frequency domain, that is Fourier patterns. They are matched to sonic Fourier images from memory. Multiple comparators we have styled as Fourier flashlights or projectors are set up and constantly running short film strips — dictionaries this time — in parallel. The system is massively parallel, multitasking and, as in the visual system, memory anticipates reality. Incoming words are recognized almost instantaneously.
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