dementias

Question 1

what are subcortical dementias

Answer 1

dementia with lewy bodies or lewy body dementia

• lewy body proteins found in brainstem which depletes dopamine and causes parkinsonian symptoms
• also found in cortex
• 2nd most common type of progressive dementia after alzhemiers
• symptoms: hallucinations, impaired mobility, muscle rigitity, dementia

Question 2

what is huntingtons disease

Answer 2

subcortical dementia

-hereditary disorder that causes degeneration in brain resulting in movement disorder and cog decline

Question 3

what is alzhemiers

Answer 3

cortical dementia

• accounts for 60-80%
• neurofribrtillary tangles and neuritic plaques with amyloid

Question 4

what is vascular dementia

Answer 4

cortical

-2nd most common type caused by stroke or partially blocked blood flow

Question 5

what is frontotemporal dementia

Answer 5

cortical

• degeneration of nerve cells in frontal or temporal lobes of brain
• diagnosed with neary criteria
• pts with ALS typically develop this type

Question 6

what is wernicke-korsakoff

Answer 6

cortical

ETHO absuse

Question 7

what is puglistic dementia

Answer 7

cortical
-multiple consussions
-dependent on repeptivie hits to the head
can only be diagnosed after death through brain tissue analysis

Question 8

what is the prognosis

Answer 8

• patients with AD retain higher capacity in implicit memory than originally thought
• no cure exists
• major depression uncommon, but have periods of depression
• patients with late onset 40-60% expereince psychotic symptoms

Question 9

what is level 1 of the global deteroriation scale

Answer 9

no subjective complaints of memory deficits

Question 10

what is level 2 of the global deteroriation scale

Answer 10

very mild cog decline/age associated impairment

Question 11

what is level 3 of the global deteroriation scale

Answer 11

mild cog decline

MCI

Question 12

what is level 4 of the global deteroriation scale

Answer 12

mod cog decline

mild dementia

Question 13

what is level 5 of the global deteroriation scale

Answer 13

mod severe cog decline

mod dementia

Question 14

what is level 6 of the global deteroriation scale

Answer 14

severe cog decline

mod severe dementia

Question 15

what is level 7 of the global deteroriation scale

Answer 15

very severe cog decline

severe dementia

Question 16

which stage does pearl represent

Answer 16

end of life stage

Question 17

which stage does saphire represeent

Answer 17

healthy brain with few signs of aging