Aphasia is an impairment of language where an individual loses his ability to read, write and comprehend speech.

Aphasia happens mainly due to a brain-related injury, generally stroke.

Aphasia is also caused due to brain tumors or other infections.

Aphasia can be mild or quite severe. It could get severe to the extent that it is not possible to communicate at all with the patient. However, in most cases, some channels of communication are still open.


Aphasia can be of different kinds.


Global aphasia is the most severe form of aphasia wherein patient is able to recognize only a few words and there is a negligible understanding of language.


Broca’s aphasia is the form of aphasia where the person’s speech is limited to use of a few words.

The person may, however, be able to understand and read well.


Mixed non-fluent aphasia is marked by spas in effort full speech that appears quite similar to Broca’s aphasia. However words such persons are not able to read and understand speech well enough.

Wernicke’s aphasia

In this form of aphasia, the person has a reduced Ability to understand spoken words. Persons reading and writing capabilities are severely impaired in this kind of aphasia.

Anomic aphasia

In this form of aphasia, a person finds himself incapable to produce words for the topic they want to talk about, especially the nouns and verbs. However, such a patient understands speech well and can read adequately.


Primary progressive aphasia

It is a neurological syndrome that gradually and progressively impairs language capabilities. Main difference in other forms of aphasia and primary progressive aphasia is that it is caused by neurodegenerative diseases like Alzheimer’s or frontotemporal dementia.


There are two categories of therapy is that most clinicians use for aphasia.


Impairment-based therapies:

In impairment based therapies the Speech-Language pathologist try to fix the language that is broken. They do it in a way that causes minimal frustration to the patient. There are generally 1 hour long sessions and patient is assigned to do some work at home and also with the help of computer programs.


Communication-based therapies:

Such therapies help the patients in conveying messages and feelings using alternative means of communication. The individuals are encouraged to use any type of communication ability that helps in conveying messages.