triune brain
Word Rarity
Very rare
Frequency: Zipf frequency 2.23 in modern English
13
Scrabble Score
11
Letters
2
Syllables
8
Unique Chars
Meaning
noun
A discredited model of the brain according to which the reptilian complex, the paleomammalian complex (limbic system), and the neomammalian complex (neocortex) are each independently conscious, as structures sequentially added to the forebrain during the course of evolution.