Neural population coding of sound level adapts to stimulus statistics

  title={Neural population coding of sound level adapts to stimulus statistics},
  author={Isabel Dean and Nicol S. Harper and David McAlpine},
  journal={Nature Neuroscience},
Mammals can hear sounds extending over a vast range of sound levels with remarkable accuracy. How auditory neurons code sound level over such a range is unclear; firing rates of individual neurons increase with sound level over only a very limited portion of the full range of hearing. We show that neurons in the auditory midbrain of the guinea pig adjust their responses to the mean, variance and more complex statistics of sound level distributions. We demonstrate that these adjustments improve… CONTINUE READING
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