contents software data java models
Modeling Simple and Complex Active Neurons
Erik De Schutter and Volker Steuber
Movies
The first three of these movies are encoded as quicktime files. To view them requires a quicktime player. For Windows and Macs, free players are available from www.apple.com. For Linux and other unix platforms, the movies can be viewed with xanim. If this only produces error messages, you may need to upgrade to a later version or install quicktime-specific modules. You can run xanim -v to find what version you have: revision 2.80.0 certainly works. Recent versions of xanim are available from eg, debian ( search for xanim in the packages search) or Red Hat (search for xanim rpm's).
If the links from this page do not work, the movie files can be run directly from the chapter 9 directory on the CDROM.
- A quicktime movie of simple Na+ spikes and a dendritic Ca2+ spike during current injection. This movie shows an animation of Fig. 9.1A.
- A quicktime movie of a complex spike. This movie shows animation of membrane potential and calcium concentration after activation of the climbing fiber input, causing widespread activation of Ca2+ channels.
- A quicktime movie of synchronous parallel fiber activation. This movie shows an animation of Color Plates 9.1 and 9.2. The first half of the movie shows the activation on a distal dendrite, corresponding to Plate 9.1A (membrane potential) and 9.2B (calcium concentration). The second part shows activation on a proximal dendrite, corresponding to Plate 9.1C. Note that because the random background input was different in the movie compared to the color plates there is an additional "spontaneous" activation in the upper right dendrite halfway the movie.
- A short (5Mb) MPEG movie showing the membrane potential in the Purkinje cell model during several somatic spikes and a single dendritic spike (5MB).
Tutorials
The Purkinje cell GENESIS tutorial is part of the standard Genesis distribution. To run the tutorial scripts you first need to install Genesis version 2.2.
Catacomb models
There are interactive examples of spine compartmentalization in chapter 9 of the models section of Catacomb. Further examples for this chapter are included in the latest version of Catacomb available from www.compneuro.org.