Sensory systems and perception: auditory, mechanical, and chemical senses - the auditory stimulis - Perceiving the location of sound sources

5 important questions on Sensory systems and perception: auditory, mechanical, and chemical senses - the auditory stimulis - Perceiving the location of sound sources

Within what degree can humans localise sounds stimuli

Within a degree or two in the horizontal direction (left/right direction; azimuth)

What allows the MSO neuron to as as coincidence detectors

Input from the left and right cochlear nuclei

What are delay lines

Having the axons that project form the cochlear nucleus vary systematically in length to create delay lines
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Which two circuitry carry out the processing of low and high frequencies?

The lateral superior olive (LSO) and the medial nucleus of the trapezoid body (MNTB)

What happens with the LSO and the MNTB

They eventually merge in the inferior colliculus of the midbrain, consistent with the fact that localising sound stimuli not perceptually distinguishable

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