On the Relations between the Direction of Two-Dimensional Arm Movements and Cell Discharge in Primate Motor Cortex.¶
Georgopoulos, A. P., Kalaska, J. F., Caminiti, R., & Massey, J. T. (1982). On the Relations between the Direction of Two-Dimensional Arm Movements and Cell Discharge in Primate Motor Cortex. Journal of Neuroscience, 2(11), 1527-1537.
Cited by¶
1 citation across 1 artifact.
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Primes¶
- Population Coding
- The population of individually-noisy tuned elements is a set of motor-cortex neurons, each with a cosine tuning curve: neuron \(i\) fires maximally for its preferred direction \(\vec{c}_i\) and its firing rate falls off as \(r_i = b + m\cos(\theta - \theta_i)\) as the actual direction \(\theta\) departs from its preferred \(\theta_i\).
This sourceEstablishes the cosine (sinusoidal) tuning of motor-cortex neurons to movement direction.
- The population of individually-noisy tuned elements is a set of motor-cortex neurons, each with a cosine tuning curve: neuron \(i\) fires maximally for its preferred direction \(\vec{c}_i\) and its firing rate falls off as \(r_i = b + m\cos(\theta - \theta_i)\) as the actual direction \(\theta\) departs from its preferred \(\theta_i\).
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