Population Vector

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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    Ralph Waldo Emerson (1803–1882)