Efficient coding in heterogeneous neuronal populations. Export

@article{citeulike:3444542, abstract = {A ubiquitous feature of neuronal responses within a cortical area is their high degree of inhomogeneity. Even cells within the same functional column are known to have highly heterogeneous response properties when the same stimulus is presented. Whether the wide diversity of neuronal responses is an epiphenomenon or plays a role for cortical function is unknown. Here, we examined the relationship between the heterogeneity of neuronal responses and population coding. Contrary to our expectation, we found that the high variability of intrinsic response properties of individual cells changes the structure of neuronal correlations to improve the information encoded in the population activity. Thus, the heterogeneity of neuronal responses is in fact beneficial for sensory coding when stimuli are decoded from the population response.}, author = {Chelaru, Mircea I. and Dragoi, Valentin}, citeulike-article-id = {3444542}, citeulike-linkout-0 = {http://dx.doi.org/10.1073/pnas.0807744105}, citeulike-linkout-1 = {http://www.pnas.org/content/105/42/16344.abstract}, citeulike-linkout-2 = {http://www.pnas.org/content/105/42/16344.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/18854413}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=18854413}, day = {21}, doi = {10.1073/pnas.0807744105}, issn = {1091-6490}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, keywords = {mitchell-group}, month = {October}, number = {42}, pages = {16344--16349}, posted-at = {2009-05-05 18:02:55}, priority = {2}, title = {Efficient coding in heterogeneous neuronal populations.}, url = {http://dx.doi.org/10.1073/pnas.0807744105}, volume = {105}, year = {2008} }

TY - JOUR ID - citeulike:3444542 L3 - citeulike-article-id:3444542 N2 - A ubiquitous feature of neuronal responses within a cortical area is their high degree of inhomogeneity. Even cells within the same functional column are known to have highly heterogeneous response properties when the same stimulus is presented. Whether the wide diversity of neuronal responses is an epiphenomenon or plays a role for cortical function is unknown. Here, we examined the relationship between the heterogeneity of neuronal responses and population coding. Contrary to our expectation, we found that the high variability of intrinsic response properties of individual cells changes the structure of neuronal correlations to improve the information encoded in the population activity. Thus, the heterogeneity of neuronal responses is in fact beneficial for sensory coding when stimuli are decoded from the population response. IS - 42 JF - Proceedings of the National Academy of Sciences of the United States of America SN - 1091-6490 EP - 16349 TI - Efficient coding in heterogeneous neuronal populations. VL - 105 SP - 16344 KW - mitchell-group AU - Chelaru, Mircea AU - Dragoi, Valentin PY - 2008/10/21/ UR - http://dx.doi.org/10.1073/pnas.0807744105 ER -