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Abstract #0122

Structural Fingerprinting of the Human Brain: How unique is tract shape to the individual?

Greg D Parker1, George J.A. Evans2, and Derek K Jones1,3

1CUBRIC, School of Psychology, Cardiff University, Cardiff, United Kingdom, 2School of Medicine, Newcastle University, Newcastle, United Kingdom, 3Neuroscience and Mental Health Research Institute (NMHRI), School of Medicine, Cardiff University, Cardiff, United Kingdom

Even amongst healthy subjects, brain function and structure is known to be highly variable across individuals1,2. Recently3 it was shown that inter-subject variation in functional connectivity is sufficient to allow robust and reliable identification of individuals across different sessions and tasks. Here we demonstrate for the first time that the same is true of white matter structure; using the shape of an individual's white matter tracts we generate fingerprints that uniquely identify individuals across different scan sessions.

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