Cortical surface data

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Description

Cortical surface data, from MR scans. Axial slice outlines with 500 points on each outline. 68 individuals.

Usage

1

Format

cortical$age ( age) cortical$group ( Control, Schizophrenia) cortical$sex ( 1 = male, 2 = female) cortical$symm ( a symmetry measure from the original 3D cortical surface )

cortical$x (500 x , y coordinates of an axial slice through the cortical surface intersecting the anterior and posterior commissures)

cortical$r (500 radii from equal angular polar coordinates )

Source

Brignell, C.J., Dryden, I.L., Gattone, S.A., Park, B., Leask, S., Browne, W.J. and Flynn, S. (2010). Surface shape analysis, with an application to brain surface asymmetry in schizophrenia. Biostatistics, 11, 609-630.

Dryden, I.L. (2005). Statistical analysis on high-dimensional spheres and shape spaces. Annals of Statistics, 33, 1643-1665

References

Original MR data from Sean Flynn (UBC) in collaboration with Bert Park (Nottingham).

Examples

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