Can be defined as a dense loss of memory for recent events but with preserved intelligence and personality ,memory can be either totally or partially lost according to the extent of damage that was caused .
2.
Can be defined as a dense loss of memory for recent events
but with preserved intelligence and personality ,memory
can be either totally or partially lost according to the extent
of damage that was caused
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Amnesia?
5.
French psychologist Theodule Armand Ribot
(Ribots law)
Patient H.M
Patient R.B
Patient G.D
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History of amnesia
6.
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Clinical presentation of an
amnesic patient
.
While some forms of memory are devastated other
forms may be relatively spared
Patients suffer from learning new information
A patients may suffer from confabulation
a patient may suffer from other associated
neurological problems
There may be also problems with the short term
memory
7.
is a form of acute memory loss as temporal yet
almost total disruption of short term memory
A person has no signs of impaired cognitive function
but recalls only the last few moments of
consciousness
Tends to occur in middle age or elderly patients
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Specific forms of amnesia
Transients global amnesia
8.
It is the inability of adults to recall episodic
memories before the age of 2-4 years ,as well as the
period before age 10 of which adults retain fewer
memories than might otherwise be expected given
the passage of time
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Specific forms of amnesia
Infantile amnesia
9.
As many as two third of older persons experience
mild difficulties in recalling names ,numbers, and
other facts termed benign senescent forgetfulness
By the year 2030 ,the proportion of our population
older than 65 will have increased from its present
to 20%
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Specific forms of amnesia
Age related memory changes
10.
Is a state of confusion following a traumatic brain
injury.
The patient is unable to remember the events after
the injury.
Amnesia for identity, place and time.
when Post traumatic amnesia is resolved the
consciousness remains clouded due to associated
confusion
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Specific forms of amnesia
Post traumatic amnesia
11.
Amnesic disorder caused by thiamine deficiency.
Usually associated with chronic ingestion of alcohol
Short term memory remains normal, but the patient
have difficulty to recall a past story, or with
unrelated words as well as complicated patterns
It may be related to bilateral degeneration of the
dorso-medial thalamic nuclei.
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Specific forms of amnesia
Korsakoffs syndrome
12.
It is a rare but probably underdiagnosed
neurological condition which manifests as relatively
brief and generally recurring episodes of amnesia
Caused by underlying temporal lobe epilepsy
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Specific forms of amnesia
Transient epileptic amnesia
13.
Alcohol blackout
Drug induced amnesia
Brain tumour
Post encephalitic amnesia
Source amnesia
Cerebrovascular disease
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Specific forms of amnesia
others
14.
Cognitive behaviour therapy
Treatment of the underlying cause
Treatment of concomitant psychiatric illness
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Treating amnesia
15.
Amnesia is an organic memory loss condition caused
by brain damage to memory related areas of the
brain
There are two types of memory
The extent of the lost memory differs
We can identify specific forms of amnesia :infantile ,
age related ,korsakoffs syndrome etc
Amnesia usually resolve itself with out treatment
although sometimes treatment would be necessary
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In summary