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AP Psych - Chpt 9


the persistence of learning over time through the storage and retrieval of information

flashbulb memory

a clear memory of an emotionally significant moment or event


the processing of information into the memory system - for example, by extracting meaning


the retention of encoded information over time


the process of getting information out of memory storage

sensory memory

the immediate, very brief recording of sensory information in the memory system

short-term memory

activated memory that holds a few items briefly, such as the seven digits of a phone number while dialing, before the information is stored or forgotten

long-term memory

the relatively permanent and limitless storehouse of the memory system. Includes knowledge, skills, and experiences.

working memory

a newer understanding of short-term memory that involves conscious, active processing of incoming auditory and visual-spatial information, and of information retrieved from long-term memory.

automatic processing

unconscious encoding of incidental information, such as space, time, and frequency, and of well-learned information, such as word meanings.

effortful processing

encoding that requires attention and conscious effort


the conscious repetition of information, either to maintain it in consciousness or to encode it for storage.

spacing effect

the tendency for distributed study or practice to yield better long-term retention than is achieved through massed study or practice.

serial position effect

our tendency to recall best the last and first items in a list

visual encoding

the encoding of picture images

acoustic encoding

the encoding of sound, especially the sound of words

semantic encoding

the encoding of meaning, including the meaning of words


mental pictures; a powerful aid to effortful processing, especially when combined with semantic encoding


memory aids, especially those techniques that use vivid imagery and organizational devices.


organizing items into familiar, manageable units; often occurs automatically

iconic memory

a momentary sensory memory of visual stimuli; a photographic or picture-image memory lasting no more than a few tenths of a second.

echoic memory

a momentary sensory memory of auditory stimuli; if attention is elsewhere, sounds and words can still be recalled within 3 or 4 seconds

long-term potentiation (LTP)

an increase in a synapse's firing potential after brief, rapid stimulation. Believed to be a neural basis for learning and memory.


the loss of memory

implicit (procedural) memory

retention independent of conscious recollection

explicit (declarative) memory

memory of facts and experiences that one can consciously know and "declare."


a neural center that is located in the limbic system and helps process explicit memories for storage


a measure of memory in which the person must retrieve information learned earlier, as on a fill-in-the-blank test.


a measure of memory in which the person need only identify items previously learned, as on a multiple-choice test.


a memory measure that assesses the amount of time saved when learning material for a second time.


the activation, often unconsciously, of particular associations in memory.

deja vu

that eerie sense that "I've experienced this before."

mood-congruent memory

the tendency to recall experiences that are consistent with one's current good or bad mood.

proactive interference

the disruptive effect of prior learning on the recall of new information.

retroactive interference

the disruptive effect of new learning on the recall of old information.


in psychoanalytic theory, the basic defense mechanism that banishes from consciousness anxiety-arousing thoughts, feelings and memories.

misinformation effect

incorporating misleading information into one's memory of an event.

source amnesia

attributing to the wrong source an event we have experiences, heard about, read about or imagined

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