| Typicality: | 0.395 |
| Saliency: | 0.340 |
| to facilitate our survival | 7 | purpose |
| brain → evolved over → millions of years | 13 |
| brain → evolve over → millions of years | 5 |
| brain → evolve for → millions of years | 4 |
| brain → develop over → millions of years | 3 |
| negative | neutral | positive |
| 0.218 | 0.623 | 0.159 |
| Raw frequency | 25 |
| Normalized frequency | 0.340 |
| Modifier score | 0.500 |
| Perplexity | 17.826 |