Naturalistic Stimuli Increase the Rate and Efficiency of Information Transmission by Primary Auditory Afferents Export

@article{citeulike:3465994, 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.}, author = {Rieke, F. and Bodnar, D. A. and Bialek, W.}, citeulike-article-id = {3465994}, citeulike-linkout-0 = {http://dx.doi.org/10.1098/rspb.1995.0204}, day = {22}, doi = {10.1098/rspb.1995.0204}, journal = {Proceedings of the Royal Society B: Biological Sciences}, keywords = {auditory, bullfrog, coding, efficient-coding, model, statistics}, month = {December}, number = {1365}, pages = {259--265}, posted-at = {2008-10-30 15:40:14}, priority = {0}, title = {Naturalistic Stimuli Increase the Rate and Efficiency of Information Transmission by Primary Auditory Afferents}, url = {http://dx.doi.org/10.1098/rspb.1995.0204}, volume = {262}, year = {1995} }

TY - JOUR ID - citeulike:3465994 L3 - citeulike-article-id:3465994 N2 - 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. IS - 1365 JF - Proceedings of the Royal Society B: Biological Sciences EP - 265 TI - Naturalistic Stimuli Increase the Rate and Efficiency of Information Transmission by Primary Auditory Afferents VL - 262 SP - 259 KW - auditory KW - bullfrog KW - coding KW - efficient-coding KW - model KW - statistics AU - Rieke, F AU - Bodnar, DA AU - Bialek, W PY - 1995/12/22/ UR - http://dx.doi.org/10.1098/rspb.1995.0204 ER -