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EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" in this
Amendment No. 2 to the Registration Statement on Form S-3 and related
Prospectus of Neurocrine Biosciences, Inc. for the registration of 3,450,000
shares of its common stock and to the incorporation by reference therein of our
report dated January 27, 2000, with respect to the consolidated financial
statements of Neurocrine Biosciences, Inc. included in its Annual Report (Form
10-K) for the year ended December 31, 1999, filed with the Securities
and Exchange Commission.
/s/ Ernst & Young LLP
San Diego, California
November 22, 2000
