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GRE Psychology: Memory
From the Princeton Review 7th ed.
40
Psychology
Graduate
10/03/2009

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Term
Three stages of memory
Definition
Sensory, short-term, and long-term.
Term
Sensory Memory (overview)
Definition
Lasts only for seconds, forming the connection between perception and memory. Iconic memory for vision, echoic memory for hearing.
Term
George Sperling
Definition
Suggested iconic memory. Performed an experiment where participants would see three nonsensical 4-letter words (AWXU). They would give a partial report, only remembering one. Suggests iconic memory lasts no more than a few seconds.
Term
Ulrich Neisser
Definition
Coined the term 'icon'. Found that an icon only lasts one second. If a brief image is followed by a flash of another image, the first image is forgotten (backward masking).
Term
Short Term Memory (STM)
Definition
Temporary, lasting for seconds-minutes. Generally has capacity of 7+-2. Thought to be remembered phonologically. Suceptible to interference.
Term
George Miller
Definition
Found STM for 7+-2
Term
Chunking
Definition
A method to increase STM memory-- remembering several digits as one item (an area code for example).
Term
Rehearsal
Definition
Recurring practice, a way to transfer STM to LTM. Primary is simply repeating, while secondary is organizing in a meaningful way.
Term
Interference
Definition
Proactive interference-- disrupting before presentation (causes proactive inhibition). Retroactive interference-- disrupting after learning (leads to retroactive interference).
Term
Long Term Memory
Definition
Long-term retention. Most items are learned semantically. Measured by recognition, recall, and savings. Not subject to primacy or recency effects.
Term
Encoding specificity principle
Definition
Material is more likely to be retrieved in learned in the same context as retrieval.
Term
Episodic vs. Semantic
Definition
Episodic-- details, events and discrete knowledge. Semantic-- general knowledge of the world.
Term
Procedural vs Declarative
Definition
Procedural-- how to do something. Declarative-- knowing a fact.
Term
Herman Ebbinghaus
Definition
First to study memory systematically. Presented nonsense words to study STM. Proposed the 'forgetting' curve.
Term
Frank Bartlett
Definition
Memory is reconstructive rather than rote. Using the "War of the Ghost", found that people recall semantically rather than grammatically.
Term
Dual Code Hypothesis
Definition
Allan Paivio. Things better remembered if encoded simultaneously visually and semantically.
Term
Craik and Lockhart
Definition
Learning and recall depend on depth of processing. Depth ranges from phonological to semantic. The deep the processing, the more likely to remember.
Term
Behaviorist perspective on memory
Definition
Memory is explained through pair-associate learning. One item is learned, then cues the recall of the other.
Term
Loftus
Definition
Found that the wording of a question can alter the answer from witnesses.
Term
Karl Lashley
Definition
Found that memories are stored diffusely in the brain.
Term
Donald Hebb
Definition
Found that memory involves changes of synapses and neural pathways; a memory 'tree'. E.R. Kandel had similar ideas from studying sea slugs.
Term
Brenda Milner
Definition
Studied HM and amnesia. HM had a lesion in his hippocampus to treat severe epilepsy. He could not tranfer anything to his LTM.
Term
Serial learning
Definition
A list is learned and recalled in order. Subject to primacy and recency effects. The serial-position curve (a U-shape) shows this savings effect.
Term
Savings
Definition
Measures how much about a subject remains in LTM by assessing how long it takes to learn something the second time as opposed to the first.
Term
Serial-anticipation learning
Definition
A list is learned.
Term
Paired-associate learning
Definition
Type of learning used when studying foreign languages. For example, hombre means man.
Term
Free recall learning
Definition
List of items is learned, then must be recalled in any order with no cue.
Term
Factors making list learning easier
Definition
Acoustic dissimilarity, semantic dissimilarity, brevity, familiarity, concreteness, meaning, importance.
Term
Two main theories of forgetting
Definition
Decay theory (Trace theory): posits that memory fades with time and Interference thoery: competing information blocks retrieval.
Term
Mnemonics
Definition
Memory cues that help learning and recall. Ocean for the Big 5 factors, for example.
Term
Gerneration-recognition model
Definition
Suggests that anything one might recall should easily be recognized. Why multiple-choice is easier than essay tests.
Term
Tip-of-the-tongue phenomenon
Definition
Exactly what it sounds like
Term
State-dependent memory
Definition
Retrieval is more successful if it occurs in the same emotional or physical state when encoding occurred.
Term
Clustering
Definition
Brain's tendency to group together similar items in memory whether they are learned together or not.
Term
Ordering of items on list
Definition
More quickly state order of two far apart items than two close (7 and 50 versus 44 and 46).
Term
Incidental learning
Definition
Measured through presenting subjects with items they are not supposted to try to memorize.
Term
Eidetic imagery
Definition
photographic memory: more common in children and rural cultures.
Term
Flashbulb memories
Definition
Memories seeming to be burned in brain (9/11)
Term
Tachtiscope
Definition
Instrument often used in congitive or memory experiments. Presents visual materials for a fraction of a second.
Term
Zeigarnik effect
Definition
Tendency to recall uncompleted tasks better than completed ones.
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