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According to Wikipedia, the official definition of Aphasia is “A loss of the ability to produce and/or comprehend language due to injury to brain areas specialized for these functions.”
Aphasia varies from person to person. Someone suffering from it may not be able to speak while another may not be able to write. Aphasia is typically a result of damage to the language centers of the brain. These areas are located in the left hemisphere of the brain while in some rare cases has been found in the right hemisphere. Damage to this area of the brain can be caused by a stroke or some head or brain injury.
There are many types of aphasia which include: Wernicke’s aphasia, Transcortical sensory aphasia, Conduction aphasia, Anomic aphasia, Broca’s aphasia, Transcortical motor aphasia, Global aphasia, Transcortical mixed aphasia, and Sub cortical aphasias.
Fluent aphasias are related to the reception or input of language while non-fluent aphasias are related to expression of language. For example, Wernicke’s aphasia is a fluent aphasia while Broca’s aphasia is a fluent aphasia.
Experts have tried classifying the different types of aphasias, but there are so many different cases which make it difficult to assign patients to specific categories. Classifying different brain regions to symptoms in the patient does not exist. Paul Broca and Carl Wernicke are two early neurologists who initially split the brain in two to try and categorize the brain and its areas in which the damage has been caused with specific symptoms
In specific, Wernicke’s aphasia can be recognized with long sentences and unnecessary words in speech. These aphasics also have terrible auditory comprehension and find it difficult to understand others and even themselves. Wernicke’s aphasia can be characterized with difficulties ranging from mild to moderate repetition, mild to severe naming ability, defective auditory comprehension, and the fluency level...