Findings:

• frontal cortex
• Cortex
• cerebral cortex
• adrenal cortex
• visual cortex
• Prefrontal cortex
• Cortex (user)
• motor cortex
• Somatosensory cortex
• orbitofrontal cortex
• format c for cortex (user)
• Cortex Command

If you Log in you could create a "premotor cortex" node. If you don't already have an account, you can register here.