the cerebral hemisphere on the left side of the corpus callosum, controlling activity on the right side of the body: in humans, usually showing some degree of specialization for language and calculation.
- Compare right brain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use left brain in a sentence
Shrouded in mystery and rationalized with concepts of love and attraction, we rarely apply left brain thinking to the big O.The High Cost of An Orgasm: Is Momentary Pleasure Worth a Lifetime of Regret? | Aurora Snow | June 28, 2014 | THE DAILY BEAST
The reason for this is that the left brain works with whatever becomes conscious, but consciousness is the ultimate slow poke.'Free Will Debate: Who’s in Charge?' by Michael Gazzaniga (review) | Casey Schwartz | November 19, 2011 | THE DAILY BEAST
The funny thing, however, is that the stories the left brain produces are largely if not entirely wrong.'Free Will Debate: Who’s in Charge?' by Michael Gazzaniga (review) | Casey Schwartz | November 19, 2011 | THE DAILY BEAST
British Dictionary definitions for left brain
the left hemisphere of the human brain, which is believed to control linear and analytical thinking, decision-making, and language
(as modifier): a left-brain activity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for left brain
The cerebral hemisphere located on the left side of the corpus callosum. The left brain controls activities on the right side of the body, and in humans, usually controls speech and language functions. The thought processes of logic and calculation are generally associated with the left brain.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for left brain
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.