Humans’ ability to process sound is a multi-faceted phenomenon. It is a marvel which likely changes through our ageing process and is influenced by a myriad of factors. This paper examines the particulars of the dimensions of sound processing – in particular, front to back. The results would not necessarily be considered unexpected as they found that the shorter the latency of the mismatched negativity (MMN) the better the discrimination of sounds front to back. There was also found to be a difference in the N1 amplitude. However, the interesting point on this study was the age of the participants: mean age between 21/22 depending on study group. If age is not the difference, could the variations in these groups be further defined to identify risk factors for clinical considerations of auditory processing concerns?
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