memory

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What is the capacity of short term memory?
seven pieces of infomation plus or minus 2.
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What is the capacity for long term memory?
unlimited
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What is the duration of short term memory?
20-30 seconds
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What is the duration of long term memory?
unlimited
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What is the duration of the sensory register?
1/4 of a second to 1/2 a second
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What does the sensory register encode for?
the senses
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What does the short term memory encode for?
Mainly acoustic
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What does long term memory encode for?
Mainly sematic
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What is one strength of the Multi Memory Store?
it gives us a better understanding of the structure and process of the Short Term Memory
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Name the two models of memory
1. The Multi Store Memory Model 2. The Working Model of memory
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What is prcedural memory?
It is a part of long term memory and is responsible for knowing how we do things eg memory of motor skills. Does not envole conscious thought.
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What is semantic memory?
It is part of the Long Term Memory and is responsible for storing infomation about the world. E.G word meanings and general knowledge.
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What is episodic memory?
It is part of Long Term Memory and it is responsible for storing infomation about events that we have experienced in our lives. it involes conscious thought and is declarative. E.G the memory of your first day at school
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What is memory decay?
If a piece of infomation is not rehearsed enough in the long term memory or not accessed for a long period of time, the memory will decay.
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What is memory dispacement?
this occurs when the memory store runs out of space to store everything.
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Name an example of memory decay?
Not being able to remember what you got as a present for your fifth birthday party but you can remember it was a really good birthday.
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Name an example of memory displacement?
A waiter forgets some of the drinks ordered when a large party comes in.
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What is the case of KF?
KF can remember his long term memory but not some of his short term memory. KF believed that there was two types of short term memory.
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What is the case of HM?
HM could remember his short term memory and he could remember his long term inplicit memory but he couldnt remember his explicit memory.
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What is the case of Clive Wearing?
Clive Wearing could not remember his short term memory. They believed he could remember his long term memory but only his implicit memory not his explicit.
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Who designed the working memory model?
Baddeley and Hitch
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What are the different parts of the working memory model?
the central executive, the eposodic buffer, the phonological loop and the visuo spatial sketch-pad
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What does the Central Executive do?
It drives the system, decides how attention is directed and allocates the resources.
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What does the Episodic buffer do?
it is a genreal storage space for both acoustic and visual infomation.
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What does the Phonological loop do?
It deals with auditory infomation and the order of infomation
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What are the two components of the phonological loop?
the auditory store (the inner ear) and the articulatory control process
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what does the visuo-spatial sketch pad do?
This holds visual and spatial information for a very short time.
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What was the aim of the loftus and palmers study?
to find out if lanaguge used in eye witness testimoneies can alter memory.
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What was the first loftus and palmers experiment?
45 american stutends formed an opportunity sample they had to watch 7 traffic accidents ranging from 5 to 30 secs after they were asked questions about the speed and each question either had the words smashed/ collided/ bumped/ hit/ contracted.
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What were the findings from the first Lofters and Palmers experiement?
participants who were asked the smashed question thought the car was going faster than those who were asked the hit question.
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In the first loftus and Palmers experiment what were the priticted speeds of the 5 conditions?
smashed: 40.8 mph collieded 39.3 mph bumped: 38.1 mph hit: 34 mph contacted 31.8 mph
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What was the second Loftus and Palmers experiment?
150 students were shown a one minute film which featured a car driving through the countryside followed by four seconds of a multiple traffic accident. afterwards they were questioned about the film. it was manipluated.
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In the second Loftus and Palmers experiment what were the different quesions asked to the particepants?
1. 'how fast was the car going when they hit each other?' 2. how fast was the car going when they smashed each other?'
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What were the findings of the second Loftus and palmers experiment?
Partipants who were asked how fast the cars were going when they smashed erre more likely to report seeing broken glass.
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What is eye wittness testimony?
The abilty of people to remeber the details of events, such as accidents and crimes which they have observed.
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What is misleading infomation?
Incorrect infomation given to the eyewitness usually after the event.
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What are Leading questions?
A question which because of the way it is phased suggests a certain answer.
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What is post-event discussion?
This occurs when there is more than one witness to an event. witnesses may discuss what they have seen with others.
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what are the two explanations of retrival faliure?
accessabilty and avalibilty
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What is accessabilty in terms of retrival faliure?
accessabilty of info is the problem and not having the cues to access it
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What is Avaliblity in terms of retrival faliure?
availibilty of info is the problem can be caused by interferance
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Card 2

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What is the capacity for long term memory?

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unlimited

Card 3

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What is the duration of short term memory?

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Card 4

Front

What is the duration of long term memory?

Back

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Card 5

Front

What is the duration of the sensory register?

Back

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