Comparative cellular composition of the brains of six rodent species

Range Table- link
Organism Rodent
Reference Herculano-Houzel S, Mota B, Lent R. Cellular scaling rules for rodent brains. Proc Natl Acad Sci U S A. 2006 Aug 8 103(32):12138-43. p.12139 table 1PubMed ID16880386
Method "[Researchers] use the isotropic fractionator (16), a nonstereological method, to determine total numbers of neuronal and nonneuronal cells in the cerebral cortex, cerebellum, and remaining areas of the brain and to examine how they scale across six species of the same order, Rodentia, from mouse to the giant Amazonian capybara."
Comments "Across the six rodent species [researchers] studied, body mass varies >1,000-fold, from ˜40 g in the mouse to >40 kg in the capybara, whereas brain mass varies by a factor of <200, accompanied by a smaller increase of 45 times in total number of cells, and an even smaller 22-times increase in the total number of neurons (Table 1)."
Entered by Uri M
ID 110876