the left hemisphere of the human brain, which is believed to control linear and analytical thinking, decision-making, and language
b.
(as modifier)
a left-brain activity
left brain in American English
the left cerebral hemisphere of the human brain, which includes areas associated with logical thinking, numerical calculation, and language skills: popularly regarded as the center of rational thought
Derived forms
left-brain (ˈleft-ˈbrain)
adjective
left-brained (ˈleft-ˈbrained)
adjective
Examples of 'left brain' in a sentence
left brain
On the first night researchers saw that part of the left brain hemisphere stayed active.