Aphasia is a communication disorder that results from damage to the parts of the brain that contain language, typically in the left half of the brain. It's more common in older adults, particularly those who have had a stroke.People with aphasia make mistakes in the words they use, sometimes using the wrong sounds in a word, choosing the wrong word, or putting words together incorrectly.
Aphasia typically occurs suddenly after a stroke or a head injury.stroke, thought to be the most common cause, around one in three people experience some degree of aphasia after having a stroke. Some of these can include brain tumors, traumatic brain injury, and progressive neurological disorders.
Incidence and Prevalence
Prevalence rate for aphasia is approximately 1 in 240 persons or on an average of 0.37% people in USA. Extrapolated prevalence, 1,079,615. Population Estimated Used, 293,655,405. Fifteen percent of individuals under the age of 65 experience aphasia; this percentage increases to 43% for individuals 85 years of age and older No significant differences have been found in the incidence of aphasia in men and women. However, some data suggest differences may exist by type and severity of aphasia.