Aphasia affects everyone differently, but most people will have difficulty expressing themselves or understanding things they hear or read.
Someone with expressive aphasia experiences difficulty communicating their thoughts, ideas and messages to others.
This may affect speech, writing, gestures or drawing, and causes problems with everyday tasks like using the telephone, writing an email, or speaking to family and friends.
People with expressive aphasia may have some of the following signs and symptoms:
A person with receptive aphasia experiences difficulty understanding things they hear or read. They may also have difficulty interpreting gestures, drawings, numbers and pictures.
This can affect everyday activities such as reading an email, managing finances, having conversations, listening to the radio, or following TV programmes.
People with receptive aphasia may have some of the following signs and symptoms:
People with the most common types of dementia, such as Alzheimer's disease and vascular dementia, usually have a mild form of aphasia.
This often involves problems finding words and can affect names, even of people they know well.
It doesn't mean they don't recognise the person or don't know who they are, they just can't access the name or get mixed up.
This is a rare type of dementia, where language is heavily affected. As it's a primary progressive condition, the symptoms get worse over time.
Usually, the first problem people with primary progressive aphasia (PPA) notice is difficulty finding the right word or remembering somebody's name.
The problems gradually get worse, and can include:
A person with PPA may also experience other symptoms later in their illness, including: