Overview
Aphasia is a communication disorder that affects a person’s ability to speak, understand, read, or write. It typically occurs after a brain injury, such as a stroke or traumatic brain injury, affecting the language centers of the brain.
Types
Broca’s Aphasia – difficulty forming complete sentences, but comprehension is relatively preserved Wernicke’s Aphasia – fluent speech that lacks meaning and impaired understanding of language Global Aphasia – severe impairment in speaking, understanding, reading, and writing Primary Progressive Aphasia – gradual loss of language abilities due to neurodegenerative diseases
Symptoms
Difficulty speaking or finding the right words Speaking in short or incomplete sentences Using incorrect or nonsensical words Difficulty understanding spoken or written language Difficulty reading or writing Frustration or social withdrawal due to communication challenges
Causes
Stroke, especially in the left hemisphere of the brain Traumatic brain injury Brain tumors Infections affecting the brain Neurodegenerative diseases such as Alzheimer’s or other forms of dementia
Diagnosis
Neurological examination and history taking Speech and language assessment by a speech-language pathologist Imaging tests such as MRI or CT scan to identify brain damage Standardized aphasia tests to evaluate severity and type
Treatment
Speech and language therapy – tailored exercises to improve communication skills Occupational therapy – supporting daily functioning and communication Use of communication aids – picture boards, apps, or technology-assisted devices Support groups for patients and caregivers Medication – in some cases, to treat underlying conditions or improve brain function
Prevention and Support
Preventing stroke and managing risk factors such as high blood pressure and diabetes Early rehabilitation following brain injury Encouraging social interaction and communication practice Providing emotional support to patients and families