A supposed constitutional condition or temperament characterized by predominance of brain activity or intellectual traits, particularly in Sheldon's somatotype theory.
From cerebro- (brain) and -tonia (relating to tone or tendency, from Greek tonos). This term was created by psychologist William Sheldon in the 1940s to describe personality types supposedly linked to body types.
Cerebroton ia is pseudoscience—Sheldon tried to prove that your body type determined your personality, and it didn't work, but it shows how people love the idea that brains and bodies reveal hidden truths.
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