Medical Brain Anatomy - What is the neocortex?

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The neocortex is a specific layer of the cerebral cortex, primarily associated with higher-order brain functions such as sensory perception, cognition, and motor commands. It is distinct from the cerebellum, which is responsible for coordination and balance. The neocortex is not found in the cerebellum; it is exclusive to the cerebrum. Confusion arises from varying definitions across sources, but the consensus is that the neocortex and cerebral cortex are often used interchangeably, while the neocortex does not extend into the cerebellum.
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Is the neocortex a layer of the cerebral cortex? Also is the neocortex restricted to the cerebrum or does it extend into the cerebellum too? I read a few different websites and they didn't give consistent explanations. One site said the neocortex and the cerebral cortex are the same thing. Another site said the neocortex encompasses both the cerebrum and the cerebellum.
 
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Neocortex is the cerebral cortex. Neocortex does not include the cerebellum.
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?highlight=neocortex&rid=dbio.section.2894#2901
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?highlight=cerebellum&rid=dbio.section.2894#2899
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=neurosci.section.1797
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WSS-4PYY823-3&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=19398411571add78797b73a6cf13c7dc
http://cercor.oxfordjournals.org/cgi/reprint/16/suppl_1/i82
 
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