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encephalization Line breaks: en|ceph¦al|iza¦tion
Pronunciation: /ɛnˌsɛf(ə)lʌɪˈzeɪʃ(ə)n/
(also encephalisation)

Definition of encephalization in English:


[mass noun] Zoology
An evolutionary increase in the complexity or relative size of the brain, involving a shift of function from non-cortical parts of the brain to the cortex.
Example sentences
  • Moreover, a trend toward increased encephalization within many mammalian taxa is widely recognized.
  • The increased encephalization of the human fetus - the size of its brain and therefore its skull - compared with any other animal has meant that the female pelvis has had to expand even further to ensure safe passage.
  • For example, it is known that major increases in encephalization occurred only after the appearance of early Homo.
Definition of encephalization in:
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