FUNCTIONAL MAP

1 · Scanner measuresSlow changes in blood oxygenation

A vascular signal associated with neural activity

2 · Software constructsGroups of correlated fluctuations

ICA separates recurring signal patterns

3 · Researchers interpretCandidate networks

Components are selected, paired and named across species

STRUCTURAL MAP

1 · Scanner measuresDirectional movement of water

A tissue-scale diffusion signal

2 · Software constructsPlausible continuous streamlines

Tractography joins local direction estimates

3 · Researchers interpretPossible fiber-bundle geometry

Crossing fibers and acquisition choices leave alternatives

SUPPORTED INFERENCEPig and human brains share parts of their large-scale functional and structural organization.

Not demonstrated: identical cognition, interchangeable brains or directly observed signal routes.