Often the terms
'dementia' and 'Alzheimer's disorder' are interchangeable when people speak
about dementia symptoms and what used to be referred to as 'senility'. Here we
explain the difference between dementia and Alzheimer's.
Symptoms of Dementia.
Dementia symptoms
include impaired thinking, loss of memory, confusion, an inability to follow
instructions and a person being unable to care for their own well-being.
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These symptoms are all
ones which exist in Alzheimer's disease so often people use the terms
interchangeably, but in actual fact Alzheimer's is just one cause of dementia,
and the dementia is apparent in the later stages of the disease.
Some forms of dementia
cannot be cured – such as Alzheimer's Disorder – and are a gradual decline of
cognitive awareness and ability.
Other forms of
dementia are caused by environmental issues, or curable illnesses and health
problems.
Alzheimer's Disorder.
Alzheimer's is an
illness. It is one of the causes of dementia, but not the only cause. It does
account for the majority of cases of dementia – up to 80% - and is symptomized
by cognitive decline, forgetfulness and loss of memory which eventually result
in personality changes and behavioral problems.
Alzheimer's disorder
is usually late-onset and occurs in people over the age of 65, though there are
some cases of early-onset Alzheimer's Disorder with symptoms beginning in the
person's 30's or 40's.
Dementia is an
umbrella term.
Dementia is a group of
symptoms caused by a variety of illnesses and disorders.
In much the same way
that a fever can be caused by a number of different infections or illnesses,
dementia can be caused by a number of things.
People who suffer from
dementia have impaired thinking, memory loss, and are unable to do things they
used to do independently.
The sliding scale of
dementia means that many people suffer to different degrees, but essentially
cannot perform day to day tasks and become confused easily, cannot remember
people, are unsure of where they are or how to find their way home, and cannot
follow instructions or keep track of time.
Dementia can be caused
by a number of illnesses and disorders, some of which mean a permanent state of
dementia, some of which can be cured or recovered from.
These include:
•
Alzheimer's Disorder
•
Vascular Dementia
•
Fronto-temporal Dementia
•
Lewy body Dementia
•
Pseudo-dementia
•
Vitamin deficiency
•
Hypothyroidism
•
Neuro-syphilis
Vascular dementia is
caused when the blood supply to the brain is impaired.
Fronto-temporal
dementia is caused when a build up of abnormal proteins damages the frontal and
temporal lobes within the brain, and causes significant changes in behaviour.
Lewy body dementia is
caused by deposits of proteins in nerve cells and shares similarities with
Parkinson's disease.
Pseudo-dementia is
associated with other disorders such as depression and schizophrenia.
The most preventable
and most curable, of all forms of dementia are the miscellaneous causes such as
vitamin deficiency or hypothyroidism, which can be remedied by administering
the correct medications.
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