A Single Theoretical Framework for Circular Features Processing in Humans: Orientation and Direction of Motion Compared
A commentary on
A single theoretical framework for circular features processing in humans: orientation and direction of motion compared
by Tzvetanov, T. (2012). Front. Comput. Neurosci. 6:28. doi: 10.3389/fncom.2012.00028
In the article A single theoretical framework for circular features processing in humans: orientation and direction of motion compared (Tzvetanov, 2012, Front. Comput. Neurosci. 6:28. doi: 10.3389/fncom.2012.00028) a presentation error occurred concerning the equations defining a and w within the text (subsection 4.4, page 9).
The sentence on page 9, subsection 4.4:
The priors on the three parameters were: l - beta probability distribution with parameters Beta (1.1, 20); μ - normal probability distribution with parameters Norm (a, 10w) with a and w being the mean and standard deviation obtained from each experimental data set {xi, pi} (a = ∑ pixi and ; σ - gamma probability distribution with parameters Gamma (aG, bG) fixed at aG = 1 + w/bG and such that the mode and variance of the Gamma distribution is w.
must be replaced by:
The priors on the three parameters were: l - beta probability distribution with parameters Beta (1.1, 20); μ - normal probability distribution with parameters Norm (a, 10w) with a and w being the mean and standard deviation obtained from each experimental data set {xi, ni, yi} as follows: a = ∑qi xi, , and qi = ni/∑ini; σ - gamma probability distribution with parameters Gamma (aG, bG) fixed at aG = 1 + w/bG and such that the mode and variance of the Gamma distribution is w.
Acknowledgments
During this project the author was supported by the Deutsche Forschungsgemeinschaft (grant number TZ 69/1-1).
Citation: Tzvetanov T (2013) Erratum: A single theoretical framework for circular features processing in humans: orientation and direction of motion compared. Front. Comput. Neurosci. 7:28. doi: 10.3389/fncom.2013.00028
Received: 26 February 2013; Accepted: 18 March 2013;
Published online: 04 April 2013.
Edited by:
David Hansel, University of Paris, FranceCopyright © 2013 Tzvetanov. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc.
*Correspondence: tzvetomir.tzvetanov@gmail.com