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52 Cards in this Set

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Recall of a current list of items is affected by the memory of a previous list.

Material presented earlier interferes with retention or recall of recent information.
proactive interference
Distractor Task
attempts to quantify duration of immediate memory.

Typically consists of counting backwards for a period of time.
Attempts to quantify the capacity of immediate memory.

Word attributed to maximum capacity of immediate memory (STM)
Memory Span
Brown-Peterson Distractor Task
Few items presented for retention (usually three letters or words.
Then Distractor task is instructed to be performed.
Recall of list items is asked after random amount of time doing Distractor Task.
Release from proactive Interference
Occurs when semantic categories of list items changes.

Due to proactive interference laoding onto a single category of words, the change frees up immediate memory to newer category.
Longest sequence of items that can be recalled in correct order after a single presentation.
Span (Memory Span)

Recall initiated immediately, with no delays or distractors.
George Miller (1956)
Magical Number 7, plus or minus 2

(referring to average memory span in short term memory)
Word Length effect
More items can be remembered when shorter words are the "to-be-remembered" items.
Articulation Hypothesis
The longer a word is taken to articulate, the longer it takes to rehearse and therefore takes longer to retain for later recall.
Working Memory
Short Term Memory
Five features which differentiate Short Term Memory from Long Term Memory
Acoustic Encoding
Limited Capacity
Limited Duration
Susceptibility to forgetting
Transfer to Long-Term Memory
Which are remembered more easily for Long Term Memory:

Semantic or Acoustic interpretation of Words
Long Term Memory encodes words with are Semantically different more easily.
Acoustic Encoding
A method of encoding which words are remembered as they sound.

(Predominantly, Short Term Memory)
Rehearsal strategy for Short Term Memory
Speech based memorization.
Remembering the sounds of words numbers etc.
Rehearsal strategy for Long term Memory
Finding meaning, applying meaning, use of semantic memory.
How are LTM stores used to aid STM stores
Some items are temporarily stored within the Long Term Store while the additional newer items processed into the short term store.
What can constitute an "item"
Word, letter, digit.
Preexisting unit of knowledge within the LTM.
This can also mean using coding systems to encode complex lists
ex: Binary codes to alphabets.
Limited Duration of Short Term Memory,
How long are they?
Forgetting can occur after 15-30 of distraction
Or
Clinical Usage of Recent Memory: 1 to several minutes.
Suffix Effect
Occurs when a recurring item given at the end of many lists creates blurring of "to-be"remembered" items at the end of the list.
Typically more present in language sound items (okay, now recall) instead of sounds like a buzzer.
Divided Attention Task
Where a task is completed in the presence of background conditions (tv noise, etc.)
Fun Fact!

Varying patterns of noise cause more disruption to memory span than a constant unvarying pattern.
Atkinson and Shiffrin's Model for STM to LTM storage
Rehearsal,
Repetition allows STM more opportunity to encode information into long-term store.
Verbal rehearsal increases what type of knowledge?
New vocabulary words
Who is K.F. What is his impairment
K.F. had impaired Verbal short term memory, thus can not recall words that are said to him, yet he is capable of memorizing a list of ten words....

This leads to two possibilities: retention in STM is not necessary, or different STM stores are used to deposit items into LTM
Reasons to why memories in STM do not always process into LTM
Activities must be employed:
Forming mental images,
actively interassociating between LTM and STM,
organizing materials with STM help and benefit LTM retention.
DMTS (Delayed Matching-to-Sample Procedure)
A to-be-remember- stimulus is presented, and after a brief delay, several choices stimuli are given, and when subjects choose the stimuli that "matches" the sample is rewarded.
When a random sequence is given of a point on a grid moving to different locations, the recall of this pattern is part of what type of STM
Spatial Short Term Memory
Spatial Short Term Memory Span is more effective when associated with what skill?
Mathematical Skills
Retroactive interference
when the distracting materials effect memory of previously memorized lists.
Name 5 Short term Memory stores
Visual
Motor Movements
Spatial
Odor
In what order to the hearing impaired used encoding methods
Sequentially
Name the four stores of the Working Memory Model
Phonological Memory
Visuospatial Memory
Central Executive (controls the allocation of memory)
Episodic Memory
Phonological Store
What does it consist of?
Contains Verbal material,
where language processes, rehearsal, verbal problem solving, arithmetic.
Visuospatial Sketchpad
What does it store?
Visual cues,
Spatial patterns

In dual memory task, both a pattern and the symmetry of that pattern may be tested.
Verbal Suppression Technique
Remembering a string of words is disrupted by simultaneously having to repeat irrelevant speech sounds.
Central Executive
What does it do?
Focuses, allocates or distributes attention across multiple tasks.
Episodic Buffer
Name it's three functions
Integrate information across:
A. Phonological and Visual stores
B. Central Executive
C. Information entry and retrieval from long-term memory
One factor affecting memory in those aging
Slower processing
Another factor affecting memory in those aging. Associated with inhibition.
Inhibition of extraneous variables and associations are activated by the target material.
What part of working memory does Alzheimer's effect?
Impairment has been found in the coordination of attentional resources, specifically by the central executive.
Stereotype Threat
When a stereotype expects lower performance in certain individuals, the thought can activate anxiety, and among other things, actually lower performance.
Worry and anxiety: how does it effect working memory.
The activation of negative self talk can activate phonological stores, which in turn limits attentional resources of the central executive.
Amnesiac Syndrome
where damage to hippocampus and related structures deep within the temporal lobe that leads to inability to further consolidate Long Term Memory.
"Short-Term-Memory" syndrome
Short term memory impairment, specifically those impaired in the auditory-verbal STM store.
Lesion to what two brain areas will call impairment of STM function?
Amygdala and Hippocampus
How does the Single Memory Approach memory storage?
Memory is stored in a single area, a collective of neurons and when items are brought to attention they change from being inactive to active. Latent memory is seen as LTM and it's activation is seen as STM.
Memory-Attribute model
Where a single memory store is encoded using several attribute, such as smell, sight, touch and sound and feelings.
The rate at which they are later forgotten varies between attributes.
Name three uses for short term memory
Comprehending and Using Language
Problem Solving
Gateway to Long Term Memory
Dysexecutive Syndrome
excessive distractibility
perseveration
lack of planning
Name three psychologists who distinguished two separate memory stores
Primary and Secondary memory
William James
Waugh and Norman
What is primary and secondary memory?
Primary Memory = immediate memory
Secondary Memory = needs to be brought back into conciousness
Atkinson and Shiffrin developed which STM theory?
The Multistore Theory
What is Baddely and Hitch's theory of STM
Working Memory (The 4 parts of)
Central executive
Phonological Loop
Visuospatial
Episodic Buffer