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Acquisition and Retrieval (Theory of implicit memory (Hierarchy (Implicit,…
Acquisition and Retrieval
Learning preparing retrieval
Retrieval paths
Connections btwn memory and new material
Starting point matters (context matters)
Remember target AND connections to it
Context can change meaning of memory (piano lifted v. tuned)
Memory Network
ideas as nodes, tied with associative links
response threshold for nodes
Subthreshold activation - warmed up
Works with neuron theory
Explains why context matters - dual activation
Spreading activation - flows from source node
Semantic Priming - nodes connected to activated node primed
Encoding Specificity
What is encoded is specific
Stimulus in different context not remembered (correctly so)
Memory Testing
Recall - memory search on your own
Recognition - sense of familiarity
Familiarity and Source memory
Remember/know distinction
Rhinal cortex - familiarity
Hippocampus - source memory
Implicit Memory
Memory without awareness
More likely to remember something you encountered recently
Can cause misattribution due to familiarity
The illusion of truth
Things heard previously, true or false, more likely to be believed
Interferes in politics, police lineups
Theory of implicit memory
Processing fluency - speed and ease of activation of retrieval path
People sensitive to degree of fluency
Easy - "rings a bell"
Want to know why some things special
Interpret as familiarity
Familiarity as a conclusion not a triggered feeling
Encounter stimulus before
Thus faster processing
Fluency detected, "special"
Conclude familiar
All unconscious steps
Illusion of familiarity - stimulus more fluent than expected
Fooled into thought stimulus familiar
Hierarchy
Explicit
Episodic
Semantic
Implicit
Priming
previous experience effects
Procedural
Skill memory
Perceptual
Change in perception w/ experience
Classical Conditioning
Amnesia
Retrograde - before injury forgotten
Anterograde - after injury forgotten
Disruption of episodic or semantic
Implicit memory remains, explicit damaged
Can have explicit w/out implicit too