Temporal summation of postsynaptic potentials is dependent on _______________.
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   the generation of multiple postsynaptic potentials occurring close in time; | 
   
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   the sustained duration of postsynaptic potentials compared to the duration of an action potential; | 
   
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   the generation of multiple postsynaptic potentials from the same neuron; | 
   
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   none of the alternatives is correct; | 
   
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   alternatives a, b and c are all correct; | 
   INCORRECT - A correct alternative is provided.
   
   
   
   
   
   [Review Part 1 of the tutorial]
   [Review Part 2 (Matching) of the tutorial]