The clarity of hearing in background noise, which is influenced by the signal-to-noise ratio, has been a much-debated topic over many years from various angles. This study looks at anaesthetised cats and, as cats are not commonly known for their auditory attention at the best of times, the comparison to humans could be limited. However, the study does look at the difference in stimulus between quiet and noisy environments. Interestingly, they found that the optimal processing window – regardless of stimulus intensity – was between 5-10 ms for speech discrimination. An interesting read.
Are they just ignoring you?
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