Mem and Lan (6) Flashcards
(23 cards)
What is decay?
fading of a memory trace
What is interference?
memory traces disrupted or obscured by other material
What is retroactive interference?
Memory disruption due to new learning.
What is proactive interference?
Memory disruption due to previous learning
What is consolidation?
process which fixes information in LTM
How does consolidation occur?
- temporary storage in hippocampus
2. then transfer to cortex
What is dementia?
memory loss and effects on language functioning
What is aphasia?
language impairments
What is apraxia?
motor memory impairments
What is agnosia?
Sensory memory impairments
Symptoms of early stage Alz?
Loss of recent memories
Concentration is difficult
Symptoms of mid stage Alz?
May need hands on care
May get lost
Symptoms of late stage Alz?
Severe confusion
Needs personal care
4 memory impairments of Alz?
- Difficulty retaining new information
- retrieval deficits
- episodic memory impairment
- Declarative (semantic) memory impairment
3 language deficits of Alz?
- Word-finding difficulties
- Verbal fluency deficits
- Less complex sentence structure
2 visuospatial impairments of Alz?
- Visual recognition impairments (faces)
2. Spatial deficits – lost in familiar surroundings
1 executive function impairment of Alz?
- Problems with Planning, predicting, correlating, abstracting
In advanced Alz what part of the brain shows degeneration?
entorhinal cortex
What is semantic memory?
person’s knowledge about the world: common knowledge
What is episodic memory?
autobiographical events, recollection of where and when events happened in one’s own life
What causes semantic dementia?
degeneration affecting the anterior temporal lobe
Symptoms of semantic dementia?
Impaired semantic memory, intact autobiographical memory
Hodges et al (1992) had participants with semantic dementia produce semantic and episodic facts from 3 epochs of their life and found?
Episodic memory was spared
Semantic memory was impaired.
