ABBREVIATIONS AND
MATHEMATICAL SYMBOLS
MATHEMATICAL SYMBOLS
ABBREVIATIONS
| CAM | Cell adhesion molecule |
| CNS | Central nervous system |
| CS | Conditioned stimulus |
| L-CAM | Liver cell adhesion molecule |
| Id | Large domain polypeptide of N-CAM |
| M | Modifying substance |
| N-CAM | Neural cell adhesion molecule |
| Ng-CAM | Neuron-glia cell adhesion molecule |
| NGF | Nerve growth factor |
| PSP | Postsynaptic potential |
| ROC | Receptor-operated channel |
| SAM | Substrate adhesion molecule |
| sd | Small domain polypeptide of N-CAM |
| ssd | Small surface domain of N-CAM |
| US | Unconditioned stimulus |
| VSC | Voltage-sensitive channel |
MATHEMATICAL SYMBOLS
Chapter 7
| εj |
Presynaptic efficacy; amount of transmitter released by celli for a given depo- larization |
| ðij |
Postsynaptic efficacy; local depolarization produced at postsynaptic process of cell i for a given amount of transmitter released by cell i |
| tL | Lag time between homosynaptic input and production of M |
| tM | Time constant for persistence of modifying substance |
| tD | Averaged conduction time delay for beterosynaptic effects |
| tv | Time constant for persistence of voltage changes |
| Kb2 | Rate constant for "forward modification" from I to I* in the postsynaptic rule |
| Kb | Rate constant for "back modification" from I* to I state |
| Kb2 | Rate constant for "back modification" from A* to A state |
| a(V) |
Voltage-dependent rate constant for I to A transition (rate decreases with depo- larization) |
| b(V) |
Voltage-dependent rate constant for A to I transition (rate increases with depo- larization) |
| a*(V) | Rate constant for I* to A* transition |
| b*(V) | Rate constant for A* to I* transition |
-355-
Questia, a part of Gale, Cengage Learning. www.questia.com
Publication information:
Book title: Neural Darwinism:The Theory of Neuronal Group Selection.
Contributors: Gerald M. Edelman - Author.
Publisher: Basic Books.
Place of publication: New York.
Publication year: 1987.
Page number: 355.
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