Journal
BRAIN BEHAVIOR AND EVOLUTION
Volume 61, Issue 1, Pages 1-5Publisher
KARGER
DOI: 10.1159/000068880
Keywords
mammals; white matter; cerebellum; neocortex; scaling
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Funding
- NATIONAL EYE INSTITUTE [R01EY011759] Funding Source: NIH RePORTER
- NEI NIH HHS [EY11759] Funding Source: Medline
- NIGMS NIH HHS [GM07737] Funding Source: Medline
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It is known that the white matter of neocortex increases disproportionately with brain size. However, relatively few measurements have been made of white matter/gray matter scaling in the cerebellum. We present data on the volumes of white and gray matter in both structures, taken from 45 species of mammals. We find a scaling exponent of 1.13 for cerebellum and 1.28 for neocortex. The 95% confidence intervals for our estimates of these two exponents do not overlap. This difference likely reflects differences in the connectivity and/or microstructure of white matter in the two regions. Copyright (C) 2003 S. Karger AG, Basel.
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