[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR882.1420] [Page 433] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 882_NEUROLOGICAL DEVICES--Table of Contents Subpart B_Neurological Diagnostic Devices Sec. 882.1420 Electroencephalogram (EEG) signal spectrum analyzer. (a) Identification. An electroencephalogram (EEG) signal spectrum analyzer is a device used to display the frequency content or power spectral density of the electroencephalogram (EEG) signal. (b) Classification. Class I (general controls). [44 FR 51730-51778, Sept. 4, 1979, as amended at 66 FR 46953, Sept. 10, 2001]