脑化指数
| Species | Encephalization quotient (EQ)[1] |
|---|---|
| Human | 7.4-7.8 |
| Bottlenose dolphin | 4.14[2] |
| Orca | 2.57-3.3[2][3] |
| Chimpanzee | 2.2-2.5 |
| Rhesus monkey | 2.1 |
| Whale | 1.8 |
| Elephant | 1.13-2.36[4] |
| Dog | 1.2 |
| Cat | 1.00 |
| Horse | 0.9 |
| Sheep | 0.8 |
| Mouse | 0.5 |
| Rat | 0.4 |
| Rabbit | 0.4 |
脑化指数是一个用来描述动物大脑和身体比例关系的量。
- ^ Gerhard Roth und Ursula Dicke. Evolution of the brain and Intelligence. TRENDS in Cognitive Sciences. 2005-05, 9 (5): 250. PMID 15866152. doi:10.1016/j.tics.2005.03.005.
- ^ 2.0 2.1 Marino, Lori. Cetacean Brain Evolution: Multiplication Generates Complexity (PDF). International Society for Comparative Psychology (The International Society for Comparative Psychology). 2004, (17): 1–16 [2010-08-29].
- ^ Marino, L. and Sol, D. and Toren, K. and Lefebvre, L. Does diving limit brain size in cetaceans? (PDF). Marine Mammal Science. 2006, 22 (2): 413–425. doi:10.1111/j.1748-7692.2006.00042.x.
- ^ Shoshani, Jeheskel; Kupsky, William J.; Marchant, Gary H. Elephant brain Part I: Gross morphology, functions,comparative anatomy, and evolution. Brain Research Bulletin. 30 June, 70 (2): 124–157. PMID 16782503. doi:10.1016/j.brainresbull.2006.03.016.