| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killer brain vs normal brain | 0.42 | 0.2 | 266 | 4 |
| serial killer brain vs normal | 1.32 | 0.2 | 785 | 22 |
| are serial killers brains different | 1.53 | 0.4 | 3023 | 49 |
| brain of a serial killer | 0.42 | 0.8 | 6335 | 23 |
| serial killer brain study | 0.03 | 0.6 | 8379 | 57 |
| serial killer brain damage | 1.6 | 0.5 | 286 | 68 |
| studies on serial killers brains | 1.5 | 1 | 5197 | 75 |
| brain chemistry of a serial killer | 0.32 | 0.9 | 4901 | 13 |
| brain damage in serial killers | 0.19 | 0.5 | 2202 | 70 |
| brain scans of a serial killer | 0.97 | 0.1 | 2364 | 22 |
| serial killers with brain abnormalities | 0.65 | 0.5 | 1103 | 56 |
| serial killers and their brain chemistry | 0.3 | 0.3 | 8736 | 39 |
| understanding the mind of a serial killer | 1.11 | 0.6 | 1065 | 2 |
| can serial killers be normal | 1.12 | 0.9 | 7338 | 68 |
| neuroscience of serial killers | 0.15 | 0.4 | 1140 | 4 |
