article_snippet.sent: his may have expressive aphasia, according to Jordan Lewis, of Penn State Medical School .
article_snippet.sent: Whether Hodor intended it or not, George R R Martin created a character who is a textbook example of someone with a neurological condition called expressive aphasia.
article_snippet.sent: Mr Leborgne, Mr Lelong – and even Hodor – are actually more extreme examples of individuals with expressive aphasia.
article_snippet.sent: The most common cause of expressive aphasia is stroke, which occurs when a blood clot blocks a vessel in the brain, resulting in tissue damage due to lack of oxygen.
article_snippet.sent: It's estimated that expressive aphasia occurs in 12 per cent of stroke patients, while roughly 35 per cent of stroke patients suffer from a language aphasia of some form.
article_snippet.sent: Expressive aphasia can also be caused by a tumour, haemorrhage, a haematoma in the membrane covering of the brain, or trauma to the head.
highlights_snippet.sent: Expert says Expert may have the neurological condition expressive aphasia .
  