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Psychology - Area of study 2 (purple) > Dot Point 1 > Flashcards

Dot Point 1 Flashcards

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1
Q

What are the 3 main processes involved in memory?

A

Encoding, Storage and Retrieval

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2
Q

Define encoding

A

Information is changed into an electrochemical code that the brain can utilise

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3
Q

Define storage

A

Information is organised and stored to be used later

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4
Q

Define retrieval

A

The process or accessing information to be used

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5
Q

Draw and label Attkinson s ad Shiffron multi-store model

A

Environmental stimuli - sensory memory - attention - short term memory - elaborating rehearsal - long term memory - retrieval - maintenance rehearsal - information retrieval

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6
Q

What is sensory memory?

A

information in its raw form from our external environment immediately enters sensory memory, (sight, sound, taste, touch and smell - 5 senses)

Duration - holds for a 1/3 of a second to 4 seconds
Capacity - unlimited

No conscious control over information entering sensory memory
- selective attention allows us to filter this information

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7
Q

What is iconic memory?

A

Iconic memory holds an exact replica of a visual image

Duration - approximately 1/3 of a second just long enough to be encoded
Capacity - unlimited

Form of encoding - visual

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8
Q

What is Echoic memory

A

Holds and exact replica of auditory stimuli
Duration : 3-4 seconds long enough to be encoded
Capacity : relatively unlimited

Form of encoding - acoustic

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9
Q

What is short term memory?

A

Capacity - 5/9 items,
Duration - 12-30 seconds if not encoded

Store a limited amount of information for a short period of time

Selective attention determines what information from sensory memory makes it to STM

Information also enters STM from LTM, during retrieval

If Information is not continuously paid attention to it will be lost

If attention is continuous further processing and encoding occurs

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10
Q

What is chunking?

A

Is the grouping together of separate items into a single, larger unit or ‘chinch’ of information

This allows us to increase the capacity of STM by occupying less locations in short term memory

E.g 95577605 (takes up 8 locations) 9557 - 7605 (takes up 2 locations)
This frees up space for other information

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11
Q

What is rehearsal?

A

Rehearsal is a process by which STM duration can be increased

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12
Q

What are the 2 types of rehearsal

A

Maintenance and Elaborative rehearsal

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13
Q

Define maintenance rehearsal

A

Simple repetition of information a certain number of times to hold it in short term memory longer than 12-39 seconds.

Usualy involves silent or verbal repetition without assigning meaning

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14
Q

Advantages of maintenance rehearsal

A

Increase STM duration

Good for meaningless information

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15
Q

Disadvantages of maintenance rehearsal

A
  • does not assist long term retention.
  • is easily interrupted by new information
  • only processes information at a shallow meaningless level
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16
Q

Define Elaborative rehearsal

A

Connects new information in a meaningful way with information already stored in LTM or with other new information

E.g Self referencing - linking information to yourself and your experiences

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17
Q

Advantages of Elaborative rehearsal

A
  • increase understanding as it requires deeper processing
  • adds more detail increasing chances of retrieval
  • increases LT retention
  • creates more retrieval cues
18
Q

Disadvantages of Elaborative rehearsal

A
  • more time consuming
  • requires more conscious effort
  • difficult to implement in situations where information is constantly entering STM
  • relies on successful retrieval from LTM
19
Q

What is long term memory

A

Is a relatively permanent memory system that holds vast amounts of information for a long period of time

Duration - unlimited
Capacity - unlimited

20
Q

What is the series position effect?

A

It is the finding that free recall is Better for items at the end and beginning of a list than the Middle

21
Q

What is the primacy effect?

A

Describes superior recall of items at the beginning of the list

22
Q

What is the decency effect?

A

Describes superior recall of the items at the end of the list

23
Q

Explain the serial position effect with immediate recall

A

The last few items are remembered best because they are still in STM (recency effect)

The first few are in LTM as they received more attention and rehearsal (primacy effect)

24
Q

Series Position effect with a delayed recall of more than 12-39 seconds

A

Recall is best for the items at the beginning (primacy effect) because these words have been repeated enough to be transferred into LTM

BUT THERE IS NO RECENCY EFFECT as words at the end of the list drip our of STM with the delay due to the limited duration (12-39 seconds) of STM

25
Q

Declarative Memory

A

Memories of personal experiences, events and facts

26
Q

Semantic Network

A

Memories of facts / knowledge

27
Q

Episodic memory

A

Personalised memories of events, may be related to knowledge of facts if the memory is also of how and where you learnt them

28
Q

Procedural memory (implicit memory)

A

‘How to’ memories - occurs after practise

29
Q

What was Baddeley and Hitch’s working memory?

A

Working memory is an alternate model of STM. It views STM as a system of working with the information we are consciously aware of at a given moment. This model suggests there are 4 separate components that are independent (work together)

30
Q

What are the 4 components of working memory?

A

Phonological loop

Visual - spatial sketch pad

Central Executive

Episodic Buffer

31
Q

What is the phonological loop

A

Also called the articulatory rehearsal loop. It stores auditory and verbal/speech information from Echoic memory and LTM

it allows us to sub-vocalise by retaining the words at the beginning in Order to interpret the whole sentence

32
Q

Visuo - spatial sketchpad

A

Stores visual and spatial information from iconic memory and LTM
E.g. Visualisation

33
Q

Central executive

A

Integrates information from the VSS and the PL (slave systems) with information from LTM (via EB)
- Controls our attention and enables use to perform mental manipulation of data. This includes screening out anything unimportant, switching our attention or updating / modifying information from LTM

34
Q

Episodic Buffer

A

Retrieves knowledge of existing LTM’s and uses this to associate with new information in working memory. Also transfers and encodes new and modified information into LTM

35
Q

What was Craik and lockharts theory of levels of processing???

A

Memory is a continuous dimension in which memories are encoded related to the ease with which they can be retrieved

That there are 3 levels at which we encode material and the deeper the processing, the better the chance of retrieval from memory at a later time

36
Q 
What is shallow processing 
- type of encoding 
- definition 
- recall rate 
Example
A
  • Visual or structural encoding
  • words are learnt by remembering their physical features
  • about 20%
  • example
  • pOTato
  • Brick
  • BOOK
  • ApPle
37
Q

Intermediate / moderate Processing
Type of encoding
Definition
Recall rate

A

Auditory or Phonemic
Words can be learned by their sound
About 50%

Example - bull, style, ill - participants asked to create a rhyming word - bull/full

38
Q

Deep Processing

Type of encoding
Definition
Recall rate
Example

A

Semantic

Words are encoded by their meaning, which allows them to be places directly in our semantic networks

About 80%

Gate, yacht, truck

  • participants asked to place words in a sentence where the meaning of word is important
39
Q

What was Craik and Tulving’s study?

A

Flashed words on a screen and participants had to process each word

  1. Semantically
    Does this word fit in this sentence? HAT is a type of clothing
  2. Acoustically (it’s sound)
    Does the word HOP rhyme with TOP?
  3. Visually (it’s look)
    Is the word bin in capital letters?
40
Q

What were the results of Craik and Tulving’s study?

A

Question 1 (semantic) resulted in better memory than the intermediate/moderate processing required by question 2 (acoustic), and much better than question 3 which requires very shallow processing (visually)

41
Q

What is memory?

A

Memory is an active information processing system that receives, organises, stores and recovers information

Psychology - Area of study 2 (purple) (6 decks)

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