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Memory > Features of SR, STM an LTM > Flashcards

Features of SR, STM an LTM Flashcards

1
Q

Who researched the duration of sensory register?

A

Walsh and Thompson

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2
Q

What researched the coding of the sensory register?

A

Crowder

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3
Q

Who researched the capacity of STM?

A

Jacobs

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4
Q

Who researched the duration of the STM?

A

Peterson and Peterson

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5
Q

Who researched the coding of the STM?

A

Baddeley

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6
Q

How do you research the capacity of the sensory register?

A

Flashing a 3x4 grid of letters on a screen and the participants recall one row.

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7
Q

Who researched the capacity of the sensory register?

A

Sperling

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8
Q

What was the findings of Spelings experiment?

A

The capacity of the sensory register is quite large

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9
Q

What were the findings of Walsh and Thompson’s experiment?

A

The iconic store has an average duration of 500 milliseconds which decreases as you get older

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10
Q

What was the conclusion of Walsh and Thompson’s experiment?

A

The duration of the sensory memories is limited and dependant on age

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11
Q

What did Crowder find out in his experiment?

A

The sensory register retains information for a few seconds in the iconic store but for two or three seconds in the echoic store

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12
Q

What was the conclusion of the experiment done by Crowder?

A

The sensory information is coded into different sensory stores

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13
Q

Who researched the capacity of long term memory?

A

Anokhin

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14
Q

Who researched the duration of long term memory?

A

Bahrick

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15
Q

Who researched the coding of long term memory?

A

Baddeley

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16
Q

What method did Jacobs use to research short term memory?

A

The digit span technique. This is when participants repeat a string of digits that get longer each time

17
Q

What was Jacobs findings?

A

People could recall and average of 5-9 digits

18
Q

What was the conclusion to Jacobs experiment?

A

The short term memory has a limited capacity and the new information is displaced by the old

19
Q

What method did Peterson and Peterson use to research the duration of short term memory?

A

The participants were given a trigram of three constants. They had to count back in threes from a large number and then they had to recall the trigram in three second intervals

20
Q

What did Peterson and Peterson find out from their experiment?

A

As the time interval increased less participants recalled the correct trigram

21
Q

What did Peterson and Peterson conclude?

A

The information in our short term memory is easily lost if we do by rehearse it

22
Q

How did Baddeley research the coding of short term memory?

A

He gave them two list of words. One was acoustically similar and one was acoustically dissimilar.

23
Q

What did Baddeley find out in his experiment into short term memory?

A

Participants that has acoustically similar words performed worse than participants with acoustically dissimilar words

24
Q

What did Baddeley conclude about short term memory?

A

Short term memory is coded acoustically

25
Q

What did Anokhin find out about the capacity of long term memory?

A

The number of possible neuronal connections in the human brain is 1 followed by 10.5 million km of noughts

26
Q

What did Anonkin conclude?

A

No human that exists can use all of their potential brain capacity therefore long term memory is unlimited

27
Q

What method did Bahrick use to research the duration of long term memory?

A

He gave 400 participants aged 17 to 74 a free recall test, a photo recognition test and a name recognition test

28
Q

What findings did Bahrick receive from his experiment?

A

After 15 years the recognition was 90% and the free recall was 60%. After 48 years the recognition was 80% and the free recall was 30%

29
Q

What did Bahrick conclude from his experiment?

A

We can store memory for a life time in the long term memory but we can remember it better when we are given cues

30
Q

What was Baddeleys method for researching coding in the long term memory?

A

Participants were given a list of semantically similar and a list of words that were semantically dissimilar and they were given a 20 minute interval before recall

31
Q

What did Baddeley find about coding in the long term memory?

A

The similar meaning words were poorly recalled compared to the words with a distinct meaning

32
Q

What was concluded from Baddeleys experiment about coding in the long term memory?

A

Long term memory is mainly encoded semantically

33
Q

Which experiments are a lab experiments?

A

Sperling, Jacobs, Petersons and Petersons, Baddeleys(LTM and STM) and Anokhin

34
Q

Which experiments are not a lab experiment?

A

Walsh and Thompson, Crowder and Bahrick

35
Q

Which experiment does not need an evaluation?

A

Anokhin

Memory (7 decks)

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