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Naturalistic stimuli increase the rate and efficiency of information transmission by primary auditory afferents
Abstract
Natural sounds, especially communication sounds, have highly structured amplitude and phase spectra. We have quantified how structure in the amplitude spectrum of natural sounds affects coding in primary auditory afferents. Auditory afferents encode stimuli with naturalistic amplitude spectra dramatically better than broad-band stimuli (approximating white noise); the rate at which the spike train carries information about the stimulus is 2-6 times higher for naturalistic sounds. Furthermore, the information rates can reach 90% of the fundamental limit to information transmission set by the statistics of the spike response. These results indicate that the coding strategy of the auditory nerve is matched to the structure of natural sounds; this 'tuning' allows afferent spike trains to provide higher processing centres with a more complete description of the sensory world.
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Cited by
Natural Image Statistics and Neural Representation
Simoncelli, E. P., & Olshausen, B. A. (2001) · Annual Review of Neuroscience · doi:10.1146/annurev.neuro.24.1.1193 · Cited by 2,460
Neural Processing of Amplitude-Modulated Sounds
JORIS, P. X., SCHREINER, C. E., & REES, A. (2004) · Physiological Reviews · doi:10.1152/physrev.00029.2003 · Cited by 938
Natural signal statistics and sensory gain control
Schwartz, O., & Simoncelli, E. P. (2001) · Nature Neuroscience · doi:10.1038/90526 · Cited by 835
Entropy and information in neural spike trains
Strong, S. P., Koberle, R., de Ruyter van Steveninck, R. R., & Bialek, W. (1998) · Physical Review Letters · doi:10.1103/physrevlett.80.197 · Cited by 791
Reconstructing Speech from Human Auditory Cortex
Pasley, B. N., David, S. V., Mesgarani, N., Flinker, A., Shamma, S. A., Crone, N. E., Knight, R. T., & Chang, E. F. (2012) · PLoS Biology · doi:10.1371/journal.pbio.1001251 · Cited by 604
Metadata
- Venue
- Proceedings of the Royal Society of London. Series B: Biological Sciences
- Publisher
- The Royal Society
- Published
- 1995-12-22
- Volume
- 262
- Issue
- 1365
- Pages
- 259-265
- ISSN
- 0080-4649 (ISSN-L)
- 0962-8452
- 1471-2954
- OpenAlex
- W1972287225
- Cited by
- 317
- References
- 0
- FWCI
- 1.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Naturalistic stimuli increase the rate and efficiency of information transmission by primary auditory afferents. (1995). Proceedings of the Royal Society of London. Series B: Biological Sciences. https://doi.org/10.1098/rspb.1995.0204
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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