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AP Psych Ch 08


memory the ability to recall past events, images, ideas, or previously learned information or skills; the storage system that allows a person to retain and retrieve previously learned information
encoding organizing sensory information so it can be processed by the nervous system
levels-of-processing approach brain encodes information in different ways or on different levels; deeper processing leads to deeper memory
encoding specificity principle retrieval cues that match original information work better
transfer appropriate processing occurs when initial processing of information is similar to the process of retrieval; the better the match, the better the recall
storage the process of maintaining or keeping information readily available; the locations where information is held
sensory memory performs initial encoding; provides brief storage; also called sensory register
short-term storage holds information for processing; fragile; also called short term memory or working memory
Lloyd and Margaret Peterson did work on short-term memory
memory span the number of items a person can reproduce from short-term memory, usually consisting of one or two chunks
chunks manageable and meaningful units of information organized in such a way that it can be easily encoded, stored, and retrieved
rehearsal process of repeatedly verbalizing, thinking about, or otherwise acting on or transforming information in order to keep that information active in memory
maintenance rehearsal repetitive review of information with little or no interpretation
elaborative rehearsal rehearsal involving repletion and analysis, in which a stimulus may be associated with (linked to) other information and further processed
working memory Temporarily holds current or recent information for immediate or short-term use; Information is maintained for 20-30 seconds while active processing (e.g., rehearsal) takes place
long-term memory storage mechanism that keeps a relatively permanent record of memory
procedural memory memory for skills, including perceptual, motor, and cognitive skills required to complete tasks
declarative memory memory for specific information
episodic memory memory of specific personal events and situations (episodes) tagged with information about time
semantic memory memory of ideas, rules, words, and general concepts about the world
explicit memory conscious memory that a person is aware of
implicit memory memory a person is not aware of possessing
consolidation the process of changing a short-term memory to a long-term one
retrieval process by which stored information is recovered from memory
ex post facto study a type of design that contrasts groups of people who differ on some variable of interest to the researcher
state-dependent learning the tendency to recall information learned while in a particular physiological state most accurately when one is in that physiological state again
primacy effect the more accurate recall of items presented at the beginning of a series
recency effect the more accurate recall of items presented at the end of a series
imagery the creation or re-creation of a mental picture of a sensory or perceptual experience
schema a conceptual framework that organizes information and allows a person to make sense of the world
decay loss of information from memory as a result of disuse and the passage of time
Von Restorff effect occurs when recall is better for a distinctive item, even if it occurs in the middle of a list
interference the suppression of one bit of information by another
proactive interference previously learned information interferes with the ability to learn new information
retroactive interference newly learned information interferes with the ability to recall previously learned information
amnesia inability to remember information (typically, all events within a specific period), usually due to physiological trauma
retrograde amnesia loss of memory of events and experiences that preceded an amnesia-causing event
anterograde amnesia loss of memory for events and experiences occurring from the time of an amnesia-causing event forward
motivated forgetting occurs when frightening, traumatic events are forgotten because people want to forget them
long-term potentiation the biochemical processes that make it easier for the neuron to respond again when it has been stimulated
flashbulb memories detailed memory for events surrounding a dramatic event that is vivid and remembered with confidence
Hermann Ebbinghaus the first person to study memory scientifically and systematically; used nonsense syllables and recorded how many times he had to study a list to remember it well
Created by: doyleqhs