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electrocorticogram

American  
[ih-lek-troh-kawr-ti-kuh-gram] / ɪˌlɛk troʊˈkɔr tɪ kəˌgræm /

noun

Medicine/Medical.
  1. a record of the electrical activity of the cerebral cortex.


electrocorticogram British  
/ ɪˌlɛktrəʊˈkɔːtɪkəʊˌɡræm /

noun

  1. a record of brain waves obtained by placing electrodes directly on the surface of the exposed cerebral cortex Compare electroencephalogram electroencephalograph

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of electrocorticogram

First recorded in 1935–40; electro- + cortico- + -gram 1