The primary somatosensory cortex is found in the while the secondary somatosensory cortex is located in the

The primary somatosensory cortex is found in the post central gyrus, while the secondary somatosensory cortex is located in the parietal lobe.  Neurons in the primary motor cortex to start to discharge just prior to a movement and discharge during a movement. 

answer; polycythemia is the correct answer;