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Introduction to Psychology
Chapter 7 (Memory)
42
Psychology
Undergraduate 1
02/02/2007

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Term
Memory
Definition
1) Process or processes of storing newly acquired information for later recall;
2)recall for a specific experience, or the total collectionof remembered experiences stored in our brains.
Term
Encoding
Definition
In memory, the process of perceiving information, then categorizing or organizing it in a meaningful way so that it can be more easily stored and recalled.
Term
Storage
Definition
Process by which encoded material is retained over time in memory.
Term
Retrieval
Definition
Process by which information stored in memory accessed.
Term
Sensory Memory
Definition
First system in the three- sysytem model of memory, in which brief impressions from any of the senses are stored fleetingly, disappearing within a few seconds if they are not transferred to short- term memory.
Term
Short- term memory ( STM)
Definition
Immediate recollection of stimuli that have just been percieved ;unless it is transferred to long- term memory, information in this memory system is usually retained only momentarily. Also called working memory.
Term
Long - term memory (LTM)
Definition
The third memory system in the three system model of memory. Information transferred from short- term memory may be stored for periods of time from minutes to years.
Term
Iconic Memory
Definition
Visual sensory memory, including fleeting impressions of what we see. Also known as visual memory
Term
Echoic Memory
Definition
Auditory sensory memory; fleeting impressions of what we hear. Also known as auditory memory.
Term
Chunking
Definition
Process of grouping items into longer meaningful units to make them easier to remember.
Term
Procedural Memory
Definition
Recall for how to perform skills such as bicycle riding or swimming.
Term
Declaritive Memory
Definition
Recall specific facts, such as information read in a book.
Term
Episodic Memory
Definition
Autobiographical memories about one's own expreiences.
Term
Semantic Memory
Definition
General, nonpersonal knowledge about the meaning of facts and concepts.
Term
Dual- code model of memory
Definition
Theory that memories may be stored either in sensory codes or in verbal codes.
Term
Eidetic imagery
Definition
Also knowm as photographic memory, the vary rare ability to retain large amounts of visual material for great accuracy for several minutes.
Term
Mnemonic device
Definition
Memory system, such as clustering or acrostics, that organizes material in a meaningful way to make it easier to remember.
Term
Clustering
Definition
Mnemonic device involving grouping items into categories.
Term
Acrostics
Definition
Sentences whose first letters serve as cues for recalling a specific information; a mnemonic device.
Term
Acronym
Definition
Meaningful arrangement of letters that provides a cue for recalling information; a mnemonic device.
Term
Maintenance rehearsal
Definition
System for remembering that involves repeatedly rehearsing information without attempting to find meaning in it.
Term
Elaborate rehearsal
Definition
System for remembering that involves using mnemonic devices; it is more effective than maintenance rehearsal.
Term
Recall
Definition
In memory tests, a subjects ability to reproduce information that he or she was previously exposed to. Fill- in - the-blank and essay questions test recall.
Term
Recognition
Definition
In memory tests, a subject's ability to recognize whether he or she has been previously exposed to information. Multiple - choice and true -false questions test recognition.
Term
Relearning
Definition
Technique for testing memory that involves measuring how much more quickly a person can relearn material that was learned at some previous time.
Term
Overlearning
Definition
Technique for memorizing material that involves rehearsing information after it has already been learned.
Term
Explicit memory
Definition
Memories that you can recall through concious effort.
Term
Implicit Memory
Definition
Memories that are unavailable to concious awareness, but contribute to explicit memories.
Term
False memory
Definition
A memory of an event that never occurred.
Term
Schemas
Definition
In reference to memory, conceptual frameworks that individuals use to make sense out of stored information.
In Piaget's thoery, the mental structures we form to assimilate and organize processed information.
Term
State- dependant memory
Definition
Phenomenon wherein recall of particular events, experiences or information is aided by the subject being in the same context or physiological state in which the information was first encoded.
Term
Flashbulb memory
Definition
An apparent vivid recall for an event associated with extreme emotion or uniqueness, such as the assassination of a president or the bombing if Iraq.
Term
Retroactive interference
Definition
In memory, the phenomenon that occurs when a later event interferes with the recall of earlier information.
Term
Proactive interference
Definition
In memory, the phenomenon that occurs when earlier learning disrupts memory for later learning.
Term
Serial position effect
Definition
Tendacy to remember items at the beginning and end of list more readily than those in the middle.
Term
Oraganic amnesia
Definition
Memory deficits cused by altered physiology of the brain, which might result from an accident or certain physical illnesses.
Term
Retrograde amnesia
Definition
Memory loss for certain details or events that occurred prior to experiencing brain trauma; a form of organic amnesia.
Term
Anterograde amnesia
Definition
Memory loss for information processed after an individual experiences brain trauma caused by injury or chronic alcoholism.
Term
Hebb's cell assemblies
Definition
Groups of neurons whose activities have been altered by learning.
Term
Long- term potentiation (LTP)
Definition
An increase in a neuron's sensitivity to fire following a burst of signals to that neurons dendrites.
Term
Engram
Definition
A neural representation of something learned.
Term
Consolidation
Definition
Process by which information is transferred from short- term electrical activation of neuronal circuits to a longer- term memory coded by physical cell changes in the brain.
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