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Chapter 6 Memory
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The mental processes that enable us to retain and sue information over time
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Encoding
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The process of transforming information into a form that can be entered into and retained by the memory system
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Storage
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The process of retaining information stored in memory so that it can be used later in time
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Retieval
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The process of recovering information so that we are consciously aware of it.
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Stage model of memory
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A model describing memory as consisting of three distinct stages; sensory memory, short term memory, and long-term memory
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Sensory memory
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The stage of memory that registers information from the environment and holds it for a very brief period in time
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Short-term memory / Working Memory
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The active stage of memory in which information is stored for about 30 seconds
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Long-term Memory
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The stage of memory that represents the long-term storage of information
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Maintenance Rehearsal
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The mental or verbal repetition of information in order to maintain it beyond the usual 30 –seconds duration of short- term memory
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Chunking
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Increasing the amount of info that can be held in short-term memory by grouping related items together into a single unit
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Elaborative rehearsal
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Rehearsal that involves focusing on the meaning of information to help encode and transfer it to long-term memory
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Levels of Processing framework
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the view that info that is processed at a deeper(more meaningful) level is more likely to be remembered than info that is processed at a shallow level
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Procedural memory
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Category of long-term memory that includes memories of different skills, operations, and actions
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Episodic memory
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Category of long-term memory that includes memories of particular events
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Semantic memory
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Category of long-term memory that includes memories of general knowledge of facts, names and concepts
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Explicit memory
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Information or knowledge that can be consciously recollected; also known as declarative memory
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Implicit memory
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Information or knowledge that affects behavior or task performance but cannot be consciously recollected
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Clustering
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Organizing items into related groups during recall from long-term memory
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Semantic Network Model
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A model that describes units of information in long-term memory as being organized in a complex network of association
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Retrieval
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The process of accessing stored information
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Retrieval cue
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A clue, prompt, or hint that helps trigger recall of a given piece of information in long-term memory
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Retrieval Cue Failure
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The inability to recall long-term memories because of inadequate or missing retrieval cues
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Tip-of-the tongue Experience
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A memory phenomenon that involves the sensation of knowing that specific information is stored in long-term memory, but being temporarily unable to retrieve it
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Recall
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A test of long-term memory that involves retrieving information without the aid of retrieval cues; also called Free Recall
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Cued Recall
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A test of the long-term memory that involves remembering an item of information in response to a retrieval cue
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Recognition
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A test of long-term memory that involves identifying correct information out of several possible choices
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Serial Position Effect
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The tendency to remember items at the beginning and end of a list better than items in the middle
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Encoding Specificity Principle
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The principle that when the conditions of information retrieval are similar to the conditions of information encoding, retrieval is more likely to be successful
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Context effect
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The tendency to recover information more easily when the retrieval occurs in the same setting as the original learning of the information
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State-dependent Retrieval
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An encoding specificity phenomenon in which information that is learned in a particular drug state is more likely to be recalled while the person is in the same state
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Mood Congruence
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An encoding specificity phenomenon in which a given mood to evoke memories that are consistent with that mood
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Flashbulb Memory
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The recall of very specific images or details surrounding a vivid, rare, or significant personal event
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Schema
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An organized cluster of information about a particular topic
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Source Confusion
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A memory distortion that occurs when the true source of the memory is forgotten
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Cryptomnesia
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A memory distortion in which a seemingly “new” or “original” memory is actually based on an unrecalled previous memory
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Misinformation effect
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A memory-distortion phenomenon in which a person’s existing memory can be altered if the person I exposed to misleading information
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Forgetting
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the inability to recall information that was previously available
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Encoding failure
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The inability to recall specific info because of insufficient encoding for storage in a long term memory
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Interference Theory
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The theory that forgetting is caused by one memory competing with or replacing the other
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Retroactive interference
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Forgetting in which new memory interferes with remembering an old memory; backward-acting memory interference
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Proactive interference
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forgetting in which the old memories interfere with remembering an old memory
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Motivated Forgetting
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the theory that forgetting occurs because an undesired memory is held back from awareness
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Suppression
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Motivated forgetting that occurs consciously
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Repression
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Motivated forgetting that occurs unconsciously
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Decay theory
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The view that forgetting is due to normal metabolic processes that occur in the brain over time
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Memory Trace
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The brain changes associated with a particular memory stored
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Long-term potentiation
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A long-lasting increase in synaptic strength between two neurons
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Amnesia
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Severe memory loss
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Retrograde amnesia
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Loss of memory, especially for episodic information; backward-acting amnesia
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Memory consolidation
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The gradual, physical process of converting new, long-term memories to stable, enduring long-term codes
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Anterograde amnesia
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Loss of memory cause by the inability to store new memories; forward- acting amnesia
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People
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Hermann Ebbinghaus
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German psychologist who originated the scientific study of forgetting; plotted the first forgetting curve, which describes the basic pattern of forgetting learned information over time
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Eric Kandel
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American neurobiologist who won the Nobel Prize in 2000 for his work on the neural basis of learning and memory in the sea snail Aplysia
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Karl Lashley
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American physiological psychologist who attempted to find the specific brain location of particular memories
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Elizabeth Loftus
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American psychologist who has conducted extensive research on the memory distortions that can occur in eyewitness testimony
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George Sperling
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American psychologist who identified the duration of visual sensory memory in a series of classical experiments in 1960
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Richard Thompson
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American psychologist and neuroscientist who has conducted extensive research on the neurobiological foundations of learning and memory
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