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CNRG Book Information

Two members of the CNRG, Chris Eliasmith and Charles H. Anderson, have recently completed a book detailing the framework presented here. The title is "Neural Engineering: Computation, Representation and Dynamics in Neurobiological Systems." The official MIT Press website is here. [Also available at ].

Some book reviews can be found here.

The introduction and the more detailed discussion in the framework section of this site provide a sense of the contents and focus of the book.

Most of the examples on this site are presented in more detail in the book, along with some extras.

The promised list of some the many things left to do can be found here.

The course notes and other materials are intended to be used in conjunction with the book.

The simulation package mentioned in the book (but which can be used independently) can be found in our code library.

Please send us an email if you have any questions or have found errors in the book (see errata below).

 

Errata

Major

1. Figure 4.21 (p. 121) is printed incorrectly. The bottom response traces are missing. It should look like this.

2. Section 2.2.1 reports real neuron information transmission rates as about 3^10 bits/s. This should be between about 10-700 bit/s (depending on the neuron).

3. In Appendix B, equation B.17, the convolution (*) is a multiplication. This is because the equation expresses the convolution explicitly (once you remove the *).

4. Figure 4.3 should have values of \alpha=1.7, J^bias=1.0 nA, and J_th=0.1 nA (values in the book were missing the decimal place). In addition, 4.3c is incorrect. It is approximately correct to reverse the order of the legend labels.

Minor

1. Appendix B, p. 309 the first sentence after equation B.21 should read "where <>_A is the convolution with the window to emphasize that this *is* providing an approximation..." The word 'is' is missing.

2. There's an errant bracket in the subscript for equation B.6.

3. Appendix B: B.6 should be x(t;A), not x(t;p). B.11 Should have a factor of 2*pi in front. B.12 Should have no factors in front. B.16 t \alpha should be t^\alpha, the brackets should be squared, (t-t^\alpha)^2, and the expression should be normalized, i.e., multiplied by 1/ \Delta_t \sqrt(2*\pi).

4. In chapter 9, eqns 9.9 and 9.10 should have p(y|x) in place of p(x|y) (p. 278).

 

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