Transcortical sensory aphasia

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A type of aphasia affecting language comprehension



Transcortical sensory aphasia (TSA) is a type of aphasia that affects a person's ability to comprehend spoken language, while their ability to repeat speech remains intact. This condition is often associated with damage to specific areas of the brain that are involved in language processing.

Symptoms[edit | edit source]

Individuals with transcortical sensory aphasia typically exhibit poor comprehension of spoken language. They may have difficulty understanding words and sentences, yet they can often repeat phrases and sentences spoken to them. This repetition ability is a key feature that distinguishes TSA from other types of aphasia, such as Wernicke's aphasia.

Causes[edit | edit source]

Transcortical sensory aphasia is usually caused by lesions in the temporal lobe and parietal lobe of the brain, particularly in areas that are involved in the processing of language. These lesions can result from various conditions, including stroke, traumatic brain injury, or brain tumors.

Diagnosis[edit | edit source]

Diagnosis of TSA involves a comprehensive assessment of the patient's language abilities. This typically includes tests of language comprehension, repetition, naming, and other aspects of language function. Neuroimaging techniques, such as MRI or CT scan, may be used to identify the location and extent of brain lesions.

Treatment[edit | edit source]

Treatment for transcortical sensory aphasia often involves speech therapy to help improve language comprehension and communication skills. The specific approach to therapy may vary depending on the individual's needs and the severity of their condition. In some cases, medications may be used to address underlying causes, such as reducing inflammation or managing other symptoms.

Prognosis[edit | edit source]

The prognosis for individuals with transcortical sensory aphasia can vary widely. Some people may experience significant improvement with therapy, while others may have persistent language difficulties. The extent of recovery often depends on factors such as the size and location of the brain lesion, the individual's overall health, and the effectiveness of the treatment.

Related pages[edit | edit source]

References[edit | edit source]


External links[edit | edit source]

Diagram of the brain showing the lobes and brainstem.
Animation of brain activity.

Transcortical sensory aphasia[edit | edit source]

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Contributors: Prab R. Tumpati, MD