| Answer | Crossword Clue |
|---|---|
| CPU | Mainframe "brain," briefly |
| CPU | Mainframe brain, for short |
| CPU | PC's brain, briefly |
| EEG | Brain check, briefly |
| EEGS | Brain tests, briefly |
| EEG | Brain scan, briefly |
| EEGS | Brain scans, briefly |
| DURA | Brain membrane, briefly |
| EEG | Brain wave recording, briefly |
| EEG | Brain-wave test, briefly |
| EEG | Brain wave monitor, briefly |
| EEGS | Brain test read-outs, briefly |
| CPU | "Brain" of a computer, briefly |
