Exam 2 Flashcards
Memory is defined as…
processes involved in the encoding, retaining, retrieval, and use of information about images, events,
ideas, and skills after the original information is gone.
Duration is defined as…
how long information can be held
Capacity is defined as…
how much information can be held
Control Processes are…
system specific processes affecting
duration and capacity.
The Modal Memory Model consist of…
Sensory Memory
STM
LTM
Sensory Memory Stage is the ….
initial stage holding raw information
for a very short time
Short-term Memory stage is the
intermediate stage holding
4-7 things for 15-30 secs.
Short-term Memory mediates ________ and holds _______
ongoing tasks, current thoughts
Long-term Memory stage …
holds unlimited information
for an unlimited time
Describe the Whole Report Task …
flash up 12 letters for 50 msec, then ask a person to report back as many as they can
Describe the Partial Report Task
12 letters are again flashed for 50
msec, but now subjects report back only a cued row
For the Whole Report Task subjects could only report back about _____ of the _____ letters
4.5, 12
In the Partial Report Task there is a _______ between the offset of the ______ and the presentation of
the ________
delay, letter array, tone cue
The Partial Report Task shows, As the delay between array offset and the tone _______, subjects reported back_______.
increased, fewer letters
Visual sensory memory has a ________, but it has a _________, only about _______.
very high capacity, very short duration, ½ second
Conclusion of Report Tasks, is our _______ from a ________ is limited by ________, not _______
ability to report letters , brief
display, sensory memory, recognition
Iconic Memory is …
A visual sensory memory system that
can hold a lot of unprocessed visual information for about ½ second
Echoic Memory is an ….
auditory sensory memory system
that can hold sound information for about 2 seconds
Sensory Memory probably helps recognition by _________, thereby giving ________ a chance to _________.
freezing information in time, recognition, attach meaning to patterns
STM ________ new incoming info from ________ and _______, and retrieves info from ________.
integrates, sensory memory, recognition, long-term memory
Forgetting from STM is due to the _______ of information from memory in the …….
rapid loss, absence of rehearsal
By rehearsing information you can …
retain it indefinitely
Peterson & Peterson experiment, To measure the _______ of STM in the _________ they used a __________.
duration, absence of rehearsal, “counting backwards” recall task
The Peterson & Peterson experiment concluded that, if ________ is prevented, information in _______ will
_______ after about _________.
rehearsal, STM, fade away, 20 seconds
In the Peterson & Peterson experiment, probability of correctly
recalling the letters ________ as the retention interval _________.
decreased, increased
Peterson & Peterson experiment, a _________ prevented _______. After, subject had to _____ the letter they were presented.
retention interval, rehersal, recall
Decay Theory states ….
Information in STM fades away over
time; the memory trace gets weaker until it is gone
Interference Theory states…..
Other perceptual and cognitive
events during the retention interval interferes with what you are trying to remember
The Decay Theory and Interference Theory can both explain …..
Peterson & Peterson results
Keppel and Underwood ________ the data from ________.
Re-analyzed, Peterson & Peterson
Keppel and Underwood discovered that memory for letters on _________ interfered with memory for the __________.
previous trials, letters on the current trial
Proactive Interference (PI) is …..
Confusing previously learned material with what you are trying to remember
Retroactive Interference (RI) is …..
Confusing more recently learned material with what you are trying to remember
When old information in memory interferes with the recall of
newer information ?
Proactive Interference
When newer information in memory interferes with the recall of older information ?
Retroactive Interference
Evidence points to ________ as being the reason why we ________ from ______.
interference, forget things, STM
______ doesn’t cause you to forget things its’ the _________ that interferes with your memory
Time, stuff that happens during
STM is limited by _________ to only about ________ in the _________.
interference, 20 seconds, absence of rehearsal
Memory capacity refers to the ….
number of things that refers to the
can be correctly remembered with this limit depending on the type of information and its susceptibility to interference
The Digit Span Task is meant to …..
measure the number of digits that a person can recall
The Digital Span Task concluded that our memory span is ….
5-9 things
But memory capacity can be ________ by getting help from ________ via a process called _________.
increased, long-term memory, “chunking”
More recent work using a __________ estimates memory span at only _______.
change detection task, 4 things
Chunking is the …..
grouping of info to form meaningful units
A Chunk is a ….
set of things that are strongly associated with each other but weakly associated with things in other chunks
STM capacity should be measured in ________, not _______.
“chunks”, individual units
Chase & Simon, studied _______ and ________ using _______.
STM capacity, chunking, chess
In the Chase & Simon experiment, when chess pieces were _______ arranged on the board, master and novice subjects recalled the _______.
randomly, same number
In the Chase & Simon experiment, concluded that chess masters chunk pieces into _________ and therefore process chess information in a ________.
more meaningful units, qualitatively different way
Although STM capacity is limited to only _____ things, if these things are in _______ then vastly _________ can be processed
4, chunks, more information
Memory Code is the ….
form in which information is represented in memory
Sensory memory uses an ______ or _____ code which works well for________, but it wouldn’t help us to do _______.
iconic, echoic, recognition, STM tasks
Acoustic Representations are …..
Speech-like code important for reading and thinking
Semantic Representations are….
Meaning-based code that is important for both STM and LTM (but mainly LTM)
Visual Representations are …..
Processed visual information; colors, shapes, and their spatial inter relationships
Inner Speech is the …..
“voice” inside your head when you read or think (also called “subvocalization”)
Conrad experiment, if STM representations are _______ then there should be more _______ when list items _______.
acoustic, memory errors, sound alike
In the Conrad experiment, Letters that ________ were more ________ than_______.
sounded the same, easily confused, letters that sounded different
Working Memory (WM) is a ….
A limited-capacity system for the temporary storage and manipulation of information for complete tasks
Working Memory differs from STM in that it emphasizes the _________ of this ________, not just how it is ______.
manipulation and coordination, information, stored
The Working Memory Model consists of 3 separate but interacting components …..
1.Central Executive
2. Visuospatial Sketch Pad
3. Phonological Loop
Central Executive is the ….
“boss”, coordinates the slave
systems to perform some task
Phonological Loop is ……
Important for remembering and
using auditory information
Visuospatial Sketch Pad is …..
Important for visual imagery
and the mental manipulation of visual information
The Phonological Loop consist of 2 parts …..
- Phonological Store
- Articulatory Control Process
Phonological Store …..
holds speech-like info for about 2 sec
Articulatory Control Process …… (2 roles)
- translates visual information into a speech-like code and moves this to the phonological store
- refreshes the memory traces being held in the phonological store
If the information is _________ faster than it can be ________ then information will be _____; opposite will be true for ________
decaying, refreshed, lost, maintained
Phonological Similarity Effect is ……
Memory is worse for items that sound alike than for items that sound different
Baddeley explained the Phonological Similarity Effect in terms of interference in the ________; more interference for more ________.
phonological store, similar items
Once the _________ translates information into a ________, it becomes susceptible to _________.
articulatory control process, speech-like code, phonological interference
The phonological similarity effect shows up regardless of whether stimuli are presented …….
visually or auditorially
Articulatory Suppression Effect is ….
Worse memory when an irrelevant word is repeated during a retention interval
Articulatory suppression ties up the _________ and prevents information from being ________. In the absence of ______, information fades after ______, leading to _______.
articulatory control process, recycled through the phonological loop, recycling, 2 secs, poor memory
Articulatory suppression blocks the phonological similarity effect for ______, but not for _______.
visual stimuli, auditory stimuli
Repeating a word prevents the articulatory control process from translating _______ into ________; this
translation step ______ needed for ________ presented items
visual codes, phonological codes, isn’t, auditorially
Irrelevant Speech Effect is when….
Memory is best if material is learned in a quiet setting, without background noise
Irrelevant visual information doesn’t ________ as much because the ________ doesn’t translate it into a _______.
interfere, articulatory control process, speech-like code
Irrelevant speech is _______ and therefore goes directly into the ________ where it can ________ with other information
acoustic, phonological store, interfere
The _______ you can pronounce a word, the more times you
can _______ it through the ________ within a given period of time.
faster, rehearse, phonological loop
Word Length Effect is how ….
Short words are easier to remember than long words