Mismatch of structural and functional tonotopy for natural sounds in the auditory midbrain.

  title={Mismatch of structural and functional tonotopy for natural sounds in the auditory midbrain.},
  author={Christine V. Portfors and Patrick D. Roberts},
Neurons in the auditory system are spatially organized in their responses to pure tones, and this tonotopy is expected to predict neuronal responses to more complex sounds such as vocalizations. We presented vocalizations with low-, medium- and high-frequency content to determine if selectivity of neurons in the inferior colliculus (IC) of mice respects the tonotopic spatial structure. Tonotopy in the IC predicts that neurons located in dorsal regions should only respond to low-frequency… CONTINUE READING


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