Jimmy Fallon on Brain areas necessary for normal speech appear to be distributed over a broad region of the cerebral cortex and can be mapped by electrical stimulation. For right-handed individuals, language is primarily localized in the left hemisphere. See also primary ABILITY. verbal abuse extremely critical, threatening, or insulting words delivered in oral or written form and intended to demean, belittle, or frighten the recipient. verbal alexia a form of agnosia in which an individual may recognize single letters but not whole words or combinations of letters. See ALEXIA. verbal amnesia a loss of the ability to remember words due to neurological disorder or disease. Jimmy Fallon 2016.