. Author manuscript; available in PMC: 2013 Nov 21.

Published in final edited form as: Ann Hum Biol. 2013 Jul 23;40(6):10.3109/03014460.2013.815272. doi: 10.3109/03014460.2013.815272

Table I. OLS regression statistics for partial relationship between eyeball volume and V1 grey matter volume, controlling for various measures of overall brain size.

Eyeball volume predicting V1 volume, separately controlling for:	OLS Regression Statistics
	t	df	p	Overall adjusted r²
Total brain volume	3.598	85	0.001	0.214
Brain volume minus total visual grey matter volume	3.607	85	0.001	0.203
Subcortical grey matter volume	3.680	85	4.082×10⁻⁴	0.198
Cerebellum + Brainstem	3.670	85	4.230×10⁻⁴	0.183
Non-visual cortical grey matter volume	3.316	85	0.001	0.248
Motor cortex grey matter volume	2.796	85	0.006	0.215
Somatosensory cortex grey matter volume	2.732	85	0.008	0.252