In neuroscience, a population vector is the sum of the preferred directions of a population of neurons, weighted by the respective spike counts.
The formula for computing the (normalized) population vector, takes the following form:
Where is the activity of cell, and is the preferred input for cell .
Note that the vector encodes the input direction, in terms of the activation of a population of neurons.
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“The population of the world is a conditional population; these are not the best, but the best that could live in the existing state of soils, gases, animals, and morals: the best that could yet live; there shall be a better, please God.”
—Ralph Waldo Emerson (18031882)
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