With Regard to Motor Cortex, a Population Vector Is the

Multiple Choice

With regard to motor cortex, a population vector is the

A) summed activity of the neurons in the motor cortex, including cells that are tuned to all directions.
B) summed activity of the neurons in the motor cortex, including only cells that are tuned to the same preferred direction.
C) total number of neurons that are tuned to the same preferred direction.
D) preferred direction of a single neuron.