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Psyc 403: exam 1 > Retrograde Amnesia > Flashcards

Retrograde Amnesia Flashcards

1
Q

What is retrograde amnesia?

A

When someone can make new memories, but cannot remember anything before the accident?

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2
Q

How does organic amnesia occur?

A

Happens when there is gross structural damage to the brain

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3
Q

What causes psychogenic amnesia?

A

-psychological trauma/stressor

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4
Q

What are some causes of amnesia?

A
  • head injury
  • dementia
  • seizure disorders
  • stroke
  • tumor
  • drugs (medications and non)
  • depression
  • sleep deprivation
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5
Q

What is temporally-limited retrograde amnesia?

A
  • associated with the bilateral ect
  • it only covers 1-3 years prior to the start of treatments
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6
Q

What treatment applies electrical current to the brain across the temporal lobes 3x a week for several weeks?

A

Bilateral ect

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7
Q

What disorder uses bilateral ect as a treatment?

A

Clinically severe depression

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8
Q

What is temporally-extensive retrograde amnesia?

A
  • Amnesia associated with Korsakoff’s syndrome
  • it extends back for decades
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9
Q

What is Korsakoff’s syndrome?

A
  • caused by damage to thalamus & hypothalamus in midline after many years of chronic abuse
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10
Q

What disorder causes Korasakoff’s syndrome?

A

Chronic alcohol abuse

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11
Q

T or F: Retrograde amnesia caused by tbi cannot shrink

A

False
- it is initially extensive, but then shrinks and they cannot remember just the recent past

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12
Q

What are the different types of tbi?

A
  • Direct Impact Injury
  • Acceleration-deceleration injury
    - you hit yourself and brain goes opposite direction
  • Blast Injury
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13
Q

What are temporal gradients?

A

-recent memories are more vulnerable to disruption; remote memories are more resistant

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14
Q

What memories do temporally limited RA include?

A

ONLY Recent past

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15
Q

What memories does temporally extensive RA include?

A
  • can encompass all past time periods, but are worse for recent past
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16
Q

T or F: Recovery for RA starts from recent memories & works towards remote ones

A

False: remote memories recover faster & recent memories are harder to recover

17
Q

What disease did Patient Jimmie G have that caused amnesia?

A

Alcoholic Korasakoff’s Disease

18
Q

What memory impairment did patient G have?

A
  • Severe anterograde & retrograde amnesia
  • RA is complete back to 1945
  • speaks in present tense of 1945
19
Q

What part of his memory was spared in Patient Jimmie G?

A
  • intelligence
  • reasoning
  • language
20
Q

What caused Patient Greg’s amnesia?

A

a tumor

21
Q

What type of information is affected by real psychogenic retrograde amnesia?

A
  • autobiographical information
22
Q

T or F: A person with psychogenic RA is not aware of the impairment

A

False: they are aware of the impairment

23
Q

How long does real psychogenic RA last?

A
  • lasts less than a month and then they recover
24
Q

Do people with psychogenic RA have anterograde amnesia?

A

no they do not:
- their semantic memory intact
- skill memory is intact

25
Q

What are the stages following the onset of retrograde amnesia?

A
  1. fugue period
  2. awareness of amnesia
  3. recovery of fragments of memory
  4. full recover of memory
26
Q

What memory impairment did Patient K have?

A
  • memory for facts & personal events
  • world knowledge
  • skills
  • personality & personal identity
27
Q

What are the 2 major features of DID?

A
  • lost time
  • interpersonality amnesia
28
Q

What does “lost time” mean in DID?

A
  • they may discover objects or notes that they don’t recognize
  • may find themselves in different places from where they were last time & dont know how they got there
29
Q

What is interpersonality amnesia?

A
  • aren’t aware of other personalities
  • they do not know their experiences of other personalities
  • absence of knowledge of other personalities
30
Q

What is the posttraumatic model in regards to DID?

A
  • DID is a posttraumatic condition that arises from a history of severe physical and sexual abuse in childhood
31
Q

What is the sociocognitive model in DID?

A
  • DID results from therapist cueing & media influences

Psyc 403: exam 1 (3 decks)

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