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Dementia can drain words of meaning
Friday July 27, 2012 06:28:06 PM,
IANS
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Sydney: Dementia can
impair one's ability to recognise words describing feelings such
as 'thrilled' and 'annoyed', according to the latest research.
Sharpley Hsieh and colleagues from Neuroscience Research Australia
(NRA) explored how people with different types of dementia
comprehend words describing sentiments such as 'doubt' and
'hopeful'.
"People use emotion words in everyday conversation and don't
realise it. How often do we use sentences such as 'I'm frustrated'
or 'she's impressed'? These are key words and you have to know
them to understand a sentence," Sharpley was quoted as saying in
the journal, Neuropsychology.
"Losing the concept of a toaster, for example, will impact upon a
person's quality of life, but the prevalence of words used to
communicate feelings and emotion in our language must make the
lack of understanding of these words so devastating for patients
and their carers," Sharpley said, according to a university
statement.
Sharpley found that people with Alzheimer's disease are still able
to understand these kinds of words, but people with other types of
dementia are not. People suffering from semantic dementia - the
second most common in people under 65 - experience a severe loss
of word and conceptual knowledge.
"You can easily show a picture of a car to test this word, or a
smiling face to show happiness. But feelings such as frustration
or embarrassment are difficult to depict and so until now we
haven't been able to look at whether these concepts are lost in
people with different dementias," Sharpley added.
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