Main samples VBM table
| Publication | Definition | Gray matter vol. (SD) |
| Asami 2009... | Individuals with PD | 665.50 (65.30) ml |
| Carmona 2007... | Individuals with OCD | 773.34 (55.80) ml |
| Carrion 2009... | Individuals with PTSD | 788.76 (82.89) ml |
| Chen 2006... | Individuals with PTSD | N/A |
| Christian 20... | Individuals with OCD | N/A |
| Corbo 2005... | Individuals with PTSD | N/A |
| Gilbert 2008... | Individuals with OCD | N/A |
| Gilbert 2008... | Individuals with OCD | N/A |
| Hakamata 200... | Individuals with PTSD | 676.84 (33.00) ml |
| Hayano 2009... | Individuals with PD | N/A |
| Kasai 2008... | Individuals with PTSD | N/A |
| Kim 2001... | Individuals with OCD | 849.80 (83.30) ml |
| Koprivova 20... | Individuals with OCD | 701.90 (82.97) ml |
| Lazaro 2009... | Individuals with OCD | 743.70 (48.70) ml |
| Massana 2003... | Individuals with PD | N/A |
| Milham 2005... | Individuals with anxiety disorders | N/A |
| Pujol 2004... | Individuals with OCD | 739.00 (82.00) ml |
| Riffkin 2005... | Individuals with OCD | N/A |
| Soriano-Mas ... | Individuals with OCD (2nd sample) | N/A |
| Szeszko 2008... | Individuals with OCD | 776.00 (69.00) ml |
| Uchida 2008... | Individuals with PD | 858.14 (43.76) ml |
| Valente 2005... | Individuals with OCD | 826.78 (43.59) ml |
| van den Heuv... | Individuals with OCD | 685.00 (74.00) ml |
| Yamasue 2003... | Individuals with PTSD | N/A |
| Yoo 2005... | Individuals with PD | N/A |
| Yoo 2008... | Individuals with OCD | 740.01 (65.63) ml |