Common untrue assumption
Each motor neuron codes for a different direction of movement.
Population vector
Brain weighs all evidence of the neurons. The strongest decides direction of the movement
Turning curve
Each motor neuron has a preferred direction of movement on which it shows max activation. Other directions also produce activity but lower (!!)
Population coding
General principle, the way of neural coding across a set of neurons
Movement biases
Inactivated area shows deflection of eye movement because it’s not weighted in the population coding.