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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
 
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Polymerase Chain Reaction
 
Popper, Karl
 
Popper, Karl R.
 
Post Tetanic Depression
 
Post Tetanic Potentiation
 
Post-synaptic
 
Potassium
 
Potentiation
 
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Proactive Interference
 
Procedural Memory
 
Proprioception
 
PTD
 
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Dominic John Repici
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Post Tetanic Depression

 
PTD - Describes the reduction in sensitivity of a synapse's response (excitatory or inhibitory) to incoming signals following a tetanus.

This is generally caused by a reduction of the amount of neuro-transmitters on hand at the synaptic terminal. [Ref 1]

Long Term Depression (LTD) - At some synapses depression can last much longer; from minutes to hours, or even several days or months. In these cases, they are referred to as LTD or Long Term Depression. The mechanisms of LTD appear to be distinct from those of PTD. They also differ from synapse to synapse[Ref 1]

Also: Post Tetanic Potentiation        

 
 




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