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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
the Registration Statement (Form S-3) and related Prospectus of Physiometrix,
Inc. for the registration of 40,000 shares of its Common Stock and 7,500 shares
of its Common Stock issuable upon the exercise of warrants and to the
incorporation by reference therein of our report dated February 29, 2000, with
respect to the financial statements of Physiometrix, 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
Boston, Massachusetts
July 17, 2000
