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Parsimony
 
Pascal, Blaise
 
Pathfinder
 
Pathfinding
 
Paul J. Werbos
 
Paul Werbos
 
Pavlov
 
Pavlov, Ivan P.
 
PCR
 
People Index
 
Periodicity Conditioned Reflex
 
Periodicity Conditioning
 
Periodicity Reflex
 
Persi Diaconis
 
Phenomenal Consciousness
 
Physics
 
Planck, Max
 
Planck's Constant
 
Plasticity
 
Polymerase Chain Reaction
 
Popper, Karl
 
Popper, Karl R.
 
Post Tetanic Depression
 
Post Tetanic Potentiation
 
Post-synaptic
 
Potassium
 
Potentiation
 
Pre-synaptic
 
Proactive Interference
 
Procedural Memory
 
Proprioception
 
PTD
 
PTP
 



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(C) Copyright 2008-2014
Dominic John Repici
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Pathfinding

 
Pathfinding (also: path-finding, axonal pathfinding, axon guidance) is an umbrella term that covers all the mechanisms used by biological neurons to effect growth of their axons toward a given synaptic destination (or set of destinations). Similar mechanisms are thought to effect the growth and development of dendrites in developing brains.

Some examples of the kinds of mechanisms that are included within the "pathfinding" umbrella include: growth cones, various affinities and aversions to molecular substances, as well as the spatial and temporal patterns, and gradients in which concentrations of those substances may be configured. There are other mechanisms that fit under this umbrella term as well, such as adhesion molecules and mechanisms.

. . . . . . .
In Netlab pathfinding similarly refers to abstractions of the pathfinding mechanisms employed by biological systems. Obviously it only includes those that are currently implemented in Netlab. These include growth cones, and receptor pads, for example. Because it is an umbrella term, it can also refer to things like CIs, when they are serving to aid in pathfinding. That is, CIs may be considered part of pathfinding when they are acting as attractive, or repulsive agents for growth cones (for example).


Also: Receptor Pad     Growth Cone    

 
 




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