| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killers with brain injuries | 1.92 | 0.8 | 6088 | 84 |
| serial killers with traumatic brain injuries | 1.81 | 0.3 | 7443 | 3 |
| brain injuries and serial killers | 1.53 | 0.1 | 6426 | 72 |
| serial killers with brain abnormalities | 1.17 | 0.4 | 8010 | 19 |
| brain damage in serial killers | 1.1 | 0.6 | 3235 | 40 |
| brain trauma and serial killers | 1.91 | 0.2 | 6586 | 6 |
| serial killer brain damage | 0.22 | 0.1 | 3859 | 4 |
| brains of serial killers | 0.61 | 0.3 | 9171 | 66 |
| head injuries and serial killers | 1.72 | 0.3 | 6916 | 44 |
| serial killers and their brain chemistry | 2 | 1 | 4124 | 97 |
| studies on serial killers brains | 0.35 | 0.9 | 9019 | 90 |
| serial killers with trauma | 1.06 | 0.4 | 1999 | 94 |
| serial killers brain vs normal brain | 0.79 | 0.9 | 6661 | 3 |
| serial killers with mental illness | 0.93 | 0.6 | 7856 | 85 |
| serial killers with mental health issues | 0.68 | 0.6 | 9129 | 14 |
| serial killer brain studies | 0.82 | 0.7 | 7559 | 2 |
| which serial killers brains were studied | 1.31 | 0.5 | 7283 | 33 |
| serial killers with mental health disorders | 1.17 | 0.2 | 741 | 99 |
| neuroscience of serial killers | 0.05 | 0.3 | 143 | 60 |
| serial killers mental health | 1.85 | 0.3 | 7607 | 42 |
