<P> Aphasia is loss of the ability to produce or comprehend language . There are acute aphasias which result from stroke or brain injury, and primary progressive aphasias caused by progressive illnesses such as dementia . </P> <Ul> <Li> Acute aphasias <Ul> <Li> Expressive aphasia also known as Broca's aphasia, expressive aphasia is a non-fluent aphasia that is characterized by damage to the frontal lobe region of the brain . A person with expressive aphasia usually speaks in short sentences that make sense but take great effort to produce . Also, a person with expressive aphasia understands another person's speech but has trouble responding quickly . </Li> <Li> Receptive aphasia also known as Wernicke's aphasia, receptive aphasia is a fluent aphasia that is categorized by damage to the temporal lobe region of the brain . A person with receptive aphasia usually speaks in long sentences that have no meaning or content . People with this type of aphasia often have trouble understanding other's speech and generally do not realize that they are not making any sense . </Li> <Li> Conduction aphasia </Li> <Li> Anomic aphasia </Li> <Li> Global aphasia </Li> </Ul> </Li> <Li> Primary progressive aphasias <Ul> <Li> Progressive nonfluent aphasia </Li> <Li> Semantic dementia </Li> <Li> Logopenic progressive aphasia </Li> </Ul> </Li> </Ul> <Li> Acute aphasias <Ul> <Li> Expressive aphasia also known as Broca's aphasia, expressive aphasia is a non-fluent aphasia that is characterized by damage to the frontal lobe region of the brain . A person with expressive aphasia usually speaks in short sentences that make sense but take great effort to produce . Also, a person with expressive aphasia understands another person's speech but has trouble responding quickly . </Li> <Li> Receptive aphasia also known as Wernicke's aphasia, receptive aphasia is a fluent aphasia that is categorized by damage to the temporal lobe region of the brain . A person with receptive aphasia usually speaks in long sentences that have no meaning or content . People with this type of aphasia often have trouble understanding other's speech and generally do not realize that they are not making any sense . </Li> <Li> Conduction aphasia </Li> <Li> Anomic aphasia </Li> <Li> Global aphasia </Li> </Ul> </Li> <Ul> <Li> Expressive aphasia also known as Broca's aphasia, expressive aphasia is a non-fluent aphasia that is characterized by damage to the frontal lobe region of the brain . A person with expressive aphasia usually speaks in short sentences that make sense but take great effort to produce . Also, a person with expressive aphasia understands another person's speech but has trouble responding quickly . </Li> <Li> Receptive aphasia also known as Wernicke's aphasia, receptive aphasia is a fluent aphasia that is categorized by damage to the temporal lobe region of the brain . A person with receptive aphasia usually speaks in long sentences that have no meaning or content . People with this type of aphasia often have trouble understanding other's speech and generally do not realize that they are not making any sense . </Li> <Li> Conduction aphasia </Li> <Li> Anomic aphasia </Li> <Li> Global aphasia </Li> </Ul>

A restricted range of communication functions is one of the first signs of a communication disorder