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Lizard brain
noun
Word Frequency:
0.0
Definitions
1.
noun
The most primitive part of the brain; the brain stem.
2.
noun
(by extension) Any part of a person's psyche or personality dominated by instinct or impulse rather than rational thought.
Synonyms
id
reptilian brain
brain stem
brainstem
endbrain
medulla oblongata
second brain
brainlet
central nervous system
hindbrain
forebrain
neurula
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