EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference of our report included in this Form 10-K, into Biomagnetic Technologies, Inc.'s previously filed Form S-8 No. 33-60743, No. 33-61057, No. 33-32260, No. 33-33179 and No. 33-68136. /s/ARTHUR ANDERSEN LLP San Diego, California December 21, 1998