| 2026-05-23 | Surgical specialty, informally |
| 2025-01-28 | Prefix with -logical |
| 2019-07-23 | Course covering axons and dendrites, for short |
| 2019-05-09 | Prefix with science |
| 2017-10-09 | Prefix with science |
| 2016-09-05 | Prefix with transmitter |
| 2016-07-13 | Prefix with transmitter |
| 2016-06-28 | Prefix with transmitter |
| 2015-09-18 | Brain study, informally |
| 2014-09-28 | Intro to science? |
| 2014-07-17 | Intro to biology? |
| 2014-06-25 | Prefix with science |
| 2014-06-03 | Prefix with surgeon |
| 2013-07-06 | Intro to chemistry? |
| 2012-08-16 | Prefix with -pathy |
| 2011-12-30 | Prefix with chemical |
| 2011-11-28 | Brain surgeon's prefix |
| 2011-06-09 | Surgical specialty, informally |
| 2011-05-19 | Prefix with science |
| 2009-01-04 | It comes before surgery |
| 2008-09-28 | Transmitter starter? |
| 2008-05-15 | Intro to science? |
| 2007-12-02 | Prefix with science |
| 2007-11-11 | Prefix with surgery |
| 2007-04-04 | Prefix with transmitter |
| 2007-03-14 | Prefix with surgery |
| 2006-02-11 | Introduction to chemistry? |
| 2004-01-04 | Prefix with transmission |
| 2003-10-09 | Surgical opening? |
| 2002-06-09 | Prefix with science |
| 2001-10-29 | Prefix with surgery |
| 2000-11-15 | Prefix with surgeon |
| 1998-06-14 | Prefix with transmitter |
| 1997-11-30 | Prefix with modulator |
| 1997-10-08 | Transmitter starter |
| 1996-12-07 | Prefix with surgery or transmitter |
| 1996-09-03 | Prefix with surgeon or transmitter |
| 1996-04-25 | Prefix with logical |
| 1995-11-29 | Medical prefix |
| 1995-08-27 | Logical start |
| 1995-03-19 | Surgeon's intro |
| 1994-05-10 | Brain surgeon's prefix |