Definition, Meaning & Synonyms

encephalization

noun

/ɪnˌsɛfəlaɪˈzeɪʃən/

Definition

The evolutionary increase in the size of the brain relative to body size.

Examples

Many scientists believe that encephalization is a key factor in the development of complex behaviors in higher mammals.
The encephalization quotient (EQ) is a measure used to compare the brain size of different species.
Changes in encephalization have been observed throughout evolutionary history, highlighting the adaptability of various species.

Meaning

Encephalization refers to the process where organisms develop larger brains in relation to their body size, often associated with increased cognitive abilities.