| Clue | Source | Date |
|---|---|---|
| Of the system affecting instinct and mood | Wall Street Journal | 09 May 2026 |
| Nervous (system) | TV | 16 Mar 2025 |
| Of the brain's system dealing with emotion (6) | ||
| Anatomy around eyeballs | ||
| The brain's ___ system | Universal | 23 Apr 2020 |
| Insurance agent is cut open by doctor at one part of the head | ||
| ___ system, part of the brain that regulates emotion, behavior and long-term memory |