Neurosis n. : A functional nervous affection or disease, that is, a disease of the nerves without any appreciable change of nerve structure.

Example:
What is the Difference between Neurosis and psychosis?

Taxonomy
Neurosis, Neurot Recordings, San Francisco, Oakland, Tribes of Neurot, Scott Kelly, Jason Roeder, Dave Edwardson, Steve Von Till, Noah Landis, Josh Graham, Harvestman.

Defination from the web:
Neurosis