Table 4 The characteristics of the voxel-based morphometry studies included in the meta-analyses.
Study | Software | Comparison or correlation | Whole-brain or ROI analysis | No. of hallucinators | No. of non-hallucinators | Stereotaxic space |
|---|---|---|---|---|---|---|
Shapleske et al. [30] (2002) | Computational morphometrics | Compared hallucinators to non-hallucinators | Whole-brain | 41 | 31 | Talairach |
Correlations with total score of SAPS hallucination scale | ||||||
Gaser et al. [31] (2004) | SPM99 Deformation-based morphometry | Compared hallucinators to non-hallucinators | Whole-brain | 29 | 56 | Talairach |
Correlations with total score on items 1–3 of SAPSa | ||||||
Neckel-mann et al. [60] (2006) | SPM99 | Correlations with BPRS item 12 | Whole-brain | 12 | N/A | MNI |
O’Daly et al. [61] (2007) | Computational morphometrics | Correlations with BPRS item 12 | Removed cerebellum & diencephalon | 28 | N/A | Talairach |
García-Martí et al. [62] (2008) | SPM2 | Correlations with PSYRATS-AHRS | Whole-brain | 18 | N/A | MNI |
Nenadic et al. [63] (2010) | SPM2 | Correlations with total score on items 1–3 of SAPS (included all 99 participants) | Whole-brain | 38 | 61 | MNI |
van Tol et al. [64] (2014) | SPM8 | Compared hallucinators to non-hallucinators | Whole-brain | 31 | 20 | MNI |
Cierpka et al. [39] (2017) | SPM8 | Compared hallucinators to non-hallucinators | ROI | 10 | 10 | MNI |
Correlations with PANSS-P item 3b, BPRS item 12b and total score of PSYRATS-AHRSb |
