| 2025-04-01 | Brain cell |
| 2023-08-30 | Ava mustered every ___ in her brain |
| 2017-10-17 | Cell that fires on impulse |
| 2015-11-06 | Cell transmitter |
| 2015-06-14 | One making cell transmissions |
| 2014-11-07 | Electrical cell |
| 2014-05-15 | Cell in a network |
| 2009-10-06 | One of about 100 billion in the human brain |
| 2005-12-04 | Synapse neighbor |
| 2003-03-14 | It does a lot of firing |
| 2002-06-03 | Brain cell |
| 2002-01-29 | Brain cell |
| 2002-01-04 | It acts on impulse |
| 2001-03-07 | Synapse neighbor |
| 2000-08-11 | One acting on impulse? |
| 1996-06-26 | Impulse carrier |
| 1994-06-14 | Reflex messenger |