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Lancee Psych
Unit 8- Cognition (ch. 9 & 10)
49
Psychology
12th Grade
02/29/2012

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Term
Memory
Definition
the persistence of learning over time through the storage and retrieval of info.
Term
flashbulb memory
Definition
a clear memory of an emotionally significant moment or event.
Term
encoding
Definition
the processing of information into the memory system. - for example, extracting meaning.
Term
storage
Definition
the retention of encoded information over time.
Term
retrieval
Definition
the process of getting info out of memory storage.
Term
sensory memory
Definition
the immediate, very brief recording of sensory info in the memory system.
Term
short-term memory
Definition
activated memory that holds a few items briefly, such as the seven digits of a phone number while dialing before the info is stored or forgotten.
Term
long-term memory
Definition
the relatively permanent and limitless storehouse of the memory system, includes knowledge, skills, and experiences.
Term
working memory
Definition
a newer understanding of short-term memory that involves conscious, active processing of incoming auditory and visual-spatial info, and of info retrieved from long-term memory.
Term
automatic processing
Definition
unconscious encoding of incidental info, such as space, time and frequency, and of well-learned info, such as word meanings.
Term
effortful processing
Definition
encoding that requires attention and conscious effort.
Term
rehearsal
Definition
the conscious repetition of info, either to maintain it in consciousness or to encode it for storage.
Term
spacing effect
Definition
the tendency for distributed study or practice to yield better long-term retention than is achieved through massed study or practice.
Term
serial position effect
Definition
our tendency to recall best the last and first items in a list.
Term
visual encoding
Definition
the encoding of picture images.
Term
acoustic encoding
Definition
the encoding of sound, especially the sound of words.
Term
semantic encoding
Definition
the encoding of meaning, including the meaning of words.
Term
imagery
Definition
mental pictures; a powerful aid to effortful processing, especially when combined with semantic encoding.
Term
mnemonics
Definition
memory aids, especially those techniques that use vivid imagery and organizational devices.
Term
chunking
Definition
organizing items into familiar, manageable units; often occurs automatically.
Term
iconic memory
Definition
a momentary sensory memory of visual stimuli; a photographic or picture-image memory lasting no more than a few tenths of a second
Term
echoic memory
Definition
a momentary sensory memory of auditory stimuli; if attention is elsewhere, sounds and words can still be recalled within 3 or 4 seconds.
Term
long-term potentiation (LTP)
Definition
an increase in a synapse's firing potential after brief, rapid stimulation. Believed to be a neural basis for learning and memory.
Term
amnesia
Definition
the loss of memory
Term
implicit memory
Definition
retention independent of conscious recollection. (also called procedural memory)
Term
explicit memory
Definition
memory of facts and experiences that one can consciously know and "declare." (also called declarative memory)
Term
hippocampus
Definition
a neural center that is located in the limbic system and helps process explicit memories for storage.
Term
recall
Definition
a measure of memory in which the person must retrieve info learned earlier, as on a fill-in-the-blank test.
Term
recognition
Definition
a measure of memory in which the person need only identify items previously learned, as on a multiple-choice test.
Term
relearning
Definition
a memory measure that assesses the amount of timed saved when learning material for a second time.
Term
priming
Definition
the activation, often unconsciously, of particular associations in memory. Ex. say silk. spell it S-I-L-K. say silk again. what do cows drink? milk..no water.
Term
deja vu
Definition
the eerie sense that "I've experienced this before." cues from the current situation may subconsciously trigger retrieval of an earlier experience.
Term
mood-congruent memory
Definition
the tendency to recall experiences that are consistent with ones current good or bad mood.
Term
proactive interference
Definition
the disruptive effect of prior learning on the recall of new info.
Term
retroactive interference
Definition
the disruptive effect of new learning on the recall of old info.
Term
repression
Definition
in psychoanalytic theory, the basic defense mechanism that banishes from consciousness anxiety-arousing thoughts, feelings, and memories.
Term
misinformation effect
Definition
incorporating misleading info into one's memory of an event
Term
source amnesia
Definition
attributing to the wrong source an event we have experienced, heard about, read about, or imagined. (also called source misattribution.) Source amnesia, along with the misinformation effect is at the heart of many false memories.
Term
cognition
Definition
the mental activities associated with thinking, knowing, remembering, and communicating.
Term
concept
Definition
a mental grouping of similar objects, events, ideas, or people.
Term
prototype
Definition
a mental image or best example of a category. matching new items to the prototype provides a quick and easy method for including items in category.
Term
algorithm
Definition
a methodical, logical rule or procedure that guarantees solving a particular problem. contrasts with the usually speedier - but also more error-prone-use of heuristics.
Term
heuristic
Definition
a simple thinking strategy that often allows us to make judgements and solve problems efficiently; usually speedier but also more error-prone than algorithms.
Term
insight
Definition
a sudden and often novel realization of the solution to a problem; it contrasts with strategy-based solution.
Term
confirmation bias
Definition
a tendency to search for info that confirms one's preconceptions.
Term
fixation
Definition
the inability to see a problem from a new perspective; an impediment to problem solving.
Term
mental set
Definition
a tendency to approach a problem in a particular way, often a way that has been successful in the past.
Term
functional fixedness
Definition
the tendency to think of things only in terms of their usual functions; an impediment to problem solving.
Term
representativeness heuristic
Definition
judging the likelihood of things in terms of how well they seem to represent, or match, particular prototypes; may lead one to ignore other relevant info.
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