Memory (7-9%) Flashcards
According to the Atkinson-Shriffin model of memory how many types of memory are there, and what are they?
- Sensory
- Short-Term
- Long-Term
What is the function of sensory memory?
Forms the connection between perception and memory
Who studied iconic memory?
George Sperling
How fast does iconic memory decay?
<1 second
How fast does echoic memory decay?
2-4 seconds
What is iconic memory?
Sensory memory for vision
What is echoic memory?
Sensory memory for hearing
Sensory memory experiences what kind of masking?
Backward masking (the initial stimulus is lost) that works best the more similar the the simlui are to one another.
What is an “icon” as it refers to memory?
A brief visual memory
Who discovered the existence of icons and backwards masking of iconic memory?
Ulric Neisser
What is required for sensory memories to encode into short term memory?
Attention
Explain how a “partial report” provides evidence for sensory memory.
Individuals are shown a stimulus and are able to provide partial information from different element of that stimulus. However because of the limited amount of time something stays in sensory memory, if they are asked to provide information about the whole stimulus, or about different parts of the stimulus in series, they won’t be able to do it.
(Classic experiment was 3 lines of random letters, asked to provide a list of just one of the lines. By the time they were done with that, they had forgotten the rest of the lines.)
How long does short-term memory last?
15-30 seconds
STM is an acronym for…
Short term memory
Who found out that the short term memory can usually hold about 7, more like 5-9 items?
George Miller
What is working memory?
Temporary memory that is needed to perform a current task, it involves more than just short term memory.
What is one way to increase the capacity of short term memory?
chunking (grouping items)
How is it thought that items are encoded into short term memory?
phonologically (STM is though to be auditory)
How do you get items transferred from short term to long term memory?
Through rehearsal
What is the difference between primary or secondary rehearsal when it comes to moving items into long term memory?
Primary is simple repetition, secondary involves organizing and understanding the information.
What are another set of names for primary and secondary rehearsal?
maintenance and elaborative rehearsal
Displacement theory is associated with what type of memory?
Short term memory
What is displacement theory (as it concerns memory?)
That there are a limited number of slots that can fit into short term memory and if something else fills that slot something else is displaced (or removed) from short term memory.
What are the elements of Baddeley’s model of working memory?
Information flows from a central executive system into a phonological loop (short-term auditory store), a visuospatial sketchpad (short-term visual store), and/or a episodic buffer, then memory can flow from these systems into long term memory
What is the function of the episodic buffer in Baddeley’s model of working memory?
it serves to integrate information across domains
How are most items encoded into long term memory?
semantically (for meaning)
How is long term memory retention measured?
1) recognition
2) Recall
3) Savings
What is the difference between recognition and recall
Recognition requires recognizing things recalled in the past whereas recall requires people to recall things from scratch.
What are examples of testing that use recognition vs. recall
multiple choice vs. open response
A form of assisted recall is called… as opposed to recall with no assistance is called…
Cued recall, free recall
What does long term memory savings test?
How long it takes to learn something the second time as opposed to the first time
What is the encoding specificity principle?
the idea that material is more likely to be recalled if it’s remembered in the same context under which it was learned.
The idea of context influencing how well you remember something is also known as the…
encoding specificity principle
What types of memories do you know you know?
Explicit memories (versus implicit memories)
What are the two types of explicit memories?
Episodic memories (story like memories) Semantic memories (general knowledge of the world, facts and information)
What type of memory requires no conscious awareness of knowing something?
Implicit memory
What types of memories are implicit memories?
Procedural memory, classical conditioning, priming
What is procedural memory
Knowing how to do something, especially physical actions and motor skills.