| in order to perform these tasks | 5 | purpose |
| as an energy source | 4 | purpose |
| to grow | 3 | purpose |
| brain → need → food | 20 |
| brain → require → food | 6 |
| brain → use → food | 6 |
| brain → need → good food | 3 |
| negative | neutral | positive |
| 0.186 | 0.600 | 0.214 |
| Raw frequency | 35 |
| Normalized frequency | 0.394 |
| Modifier score | 0.500 |
| Perplexity | 63.996 |