encephalization(redirected from Encephalisation)
Also found in: Medical.
Related to Encephalisation: Encephalization
Increase in the ratio of brain mass to body mass during the evolution of a species or other taxonomic group. Higher degrees of encephalization are generally correlated with higher degrees of intelligence.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.