Table 1.

Statistical tests of differences in cortical thickness in DF's brain compared with controls

Area	CGP-modified t statistic	Significance
V1	−1.24	NS
V2d	−2.85	p < 0.05
V2v	−6.36	p < 0.005
V3d	−2.78	p < 0.05
V3v	−4.40	p < 0.01
V3a	−2.46	p < 0.06
V7	−3.20	p < 0.05
V4	−3.80	p < 0.05
MT	−1.60	NS
LOC	−4.08	p < 0.05
3b	+3.40	p < 0.05
4a	+1.12	NS
Ventrolateral	−3.11	p < 0.05
Ventromedial	−1.73	NS

The CGP-modified t test was specifically designed for comparing a single case study against a group of control participants (Crawford et al., 2010).