| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killer vs normal brain | 0.42 | 1 | 871 | 53 |
| serial killer brain vs normal brain | 0.17 | 0.6 | 7216 | 40 |
| brain of a serial killer | 1.81 | 0.4 | 556 | 90 |
| are serial killers brains different | 0.04 | 0.5 | 318 | 63 |
| serial killer brain study | 1.53 | 0.2 | 6661 | 30 |
| serial killer brain damage | 1.17 | 0.8 | 2264 | 15 |
| studies on serial killers brains | 1.92 | 0.2 | 4558 | 94 |
| brain chemistry of a serial killer | 1.91 | 0.4 | 5660 | 59 |
| brain damage in serial killers | 0.5 | 0.3 | 7353 | 83 |
| serial killers and their brain chemistry | 1.74 | 0.6 | 763 | 47 |
| serial killers with brain abnormalities | 0.7 | 0.1 | 8955 | 71 |
| brain scans of a serial killer | 1.61 | 0.3 | 4950 | 27 |
| how does a serial killer's brain work | 1.19 | 1 | 8687 | 31 |
| understanding the mind of a serial killer | 0.67 | 0.5 | 7257 | 43 |
| neuroscience of serial killers | 0.12 | 0.9 | 3849 | 41 |
