psyc ch7 – Flashcards

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memory
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internal record or pepresentaion of some pror event or experience. the mental capacity to encode, store, and retrieve info
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constructive process
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process of organizing and shaping info during processing, storing, and retrieval of memories
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ESR model (encoding, storage, retrieval)
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memory model which suggests that memory is formed through these 3 processes
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encoding
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process by which a mental representation is formed in a memory (getting info in)
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the brain encodes...
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sensory info into a neural code it can understand and use (1st step of ESR model)
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storage
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retention of encoding info over time (retaining info for future use) (2nd step ESR model)
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3 stage memory model
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memory storage requires passage of info through 3 stages (sensory, short term, long term)
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retrieval
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recovery of info from memory storage (recovering info, taken out of storage) (3rd step ESR model)
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according to the 3 stage memory model...
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3 different storage boxes, or memory storages, hold and process info
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sensory memory
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initial memory stage, holds sensory info. it has relatively large capacity but the duration is only a few seconds
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iconic memory
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visual info, the visual image stays in sensory memory only about a half a second before it rapidly fades away
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echoic memory
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a weaker echo of auditory input lingers for up to 4 seconds
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short term memory (STM)
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2nd memory stage, temporarily stores sensory info and decides whether to send it one to long term memory (LTM). capacity limited to 5-9 items and it has a duration of about 30 seconds
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how can you extend STM's duration and capacity
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chunking
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if the info is important STM send it to...
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long term memory , otherwise it is lost
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chunking
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grouping seperate piecesof info onto a single unit on the basis of similarity or some other organizing principle. extend capacity of STM
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phome numbers and ssn are an example of...
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chunking
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maintenance rehersal
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memory improvement technique of repeating info over and over to maintain it in short term memory
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working memory
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alternative term for STM, emphasizes the active processing of info
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long term memory
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3rd stage or memory, stores into for long periods of time. capacity is virtually limitless , and the duration is realitively permanent
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how can you improve LTM
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organization, mnemonic devices, Encoding Specificity, Mood congruence, State-dependent retrieval, retrieval and rehearsal
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State-dependent retrieval
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taking a drug like caffeine during retrieval equals better recall if drug was used during encoding
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Encoding Specificity
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better recall when we use memory in the same context it was learned
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Mood congruence
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better memory when mood during learning matches retrieval
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retrival specific skills
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require you to recognize the correct response
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retrival general skills
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require you to recall learned material by searching all possible matches in LTM
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explicit/declarative memory
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subsystem within LTM that consciously staores facts, info, and personal life experiences
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sematic memory
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subsystem of LTM (and E/D memory) that stores autobiographical events and the contexts in which they occured. a mental diary of a persons life
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episodic memory
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records major events in our lives (subsystem of E/D memory)
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implicit/nondeclaritive memory
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subsystem within LTM that uncousiously stores procedural skills and simple classically conditioned responces
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priming
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prior exposure to a stimulus facilitates/ inhinits the processing of new info, even when one has no conscious memory of the initial learning and storage (subsysyem of I/N memory)
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mnemonic
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strategy/device that uses familiar info during the encoding of new info to enhance subsequent access to the info in memory
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elaborative rehearsal
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techniques for improving memory by linking new info to previously stored materila, also known as deeper levels of processing
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retrieval cue
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prompt/stimulus that aids recall/retrieval of a stored piece of info from LTM
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encoding specificity principle
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principle that retrieval of info is improved if cues recieved at the time of recall are consistent with those present at the time of encoding
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retroactive interference
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a memory error in which new info interferes with remembering old info, its backward acting interfernece
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proactive interference
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a memory error in which new info interferes with remembering new info, its a forward acting interference
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tip of the tongue (TOT) phenomenon
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feeling that specific info is stored in your LTM nut being temporarily unable to retrieve it
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misinformation effect
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a memory distortion that results from misleading post event info. Memories aren't an instant replay: they are reconstructed and altered each time they are retrieved, often influenced by info occurring after the event
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serial position effect
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characteristic of memory retrieval in which info at the beginning and end of a series is remembered better than material in the middle. the order in which info is encountered effects memory
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source amnesia
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memory error caused by forgetting the true source of a memory (also called source confusion or source misattribution)
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sleeper effect
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memory error in which info from an unreliable source that was initially discounted later gains credibility because the source is forgotten
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distributed practice
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study technique in which practice/study sessions are interspersed with rest periods
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massed practice
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study technique in which time spent learning is grouped into long, unbroken intervals. also known as cramming
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long term potentiation (LTP)
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long lasting increase in neural excitability, which may be a biological mechanism for learning and memory
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flashbulb memory (FBM)
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recall of vivid, detailed, and near permanent images associated with surprising or strongly emotional events, it may or may not be accurate
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retrograde amnesia
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loss of memory for events before a brain injury, backward acting amnesia
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consolidation
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neural changes associated with recent learning become durable and stable
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anterograde amnesia
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inability to form new memories after a brain injury, forward acting amnesia
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alzheimers disease (AD)
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chronic organic brain syndrome characterized by gradual loss of memory, decline in intellectual ability, and deterioriation of personality
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5 theories of forgetting
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Decay, Interference, Motivated forgetting, Encoding failure, Retrieval failure
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decay
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(use it or lose it) Memory is stored in the form of connections between neurons (physical). Connections deteriorate over time, especially without use
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interference
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competing memories
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Retroactive interference
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new info makes you forget old info
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Proactive interference
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old info interferes with remembering new info
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Encoding failure
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never recorded. Sensory info traveled into STM but didn't get encoded into LTM. Failure to attend to details may result in partial encoding
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Retrieval failure theory
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it's there, but not available (Tip-of-the-tongue phenomenon)
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factors that influence forgetting
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Misinformation effect, Serial-position effect Source amnesia, Sleeper effect, Spacing of practice, Culture
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primacy effect
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beginning of a list is easier to recall
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recencey effect
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end of the list is easier to recall
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procedural memory
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motor skills and habits (I/N memory)
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classically conditioned memory
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conditioned responces to conditioned stimuli
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example of classically conditioned memory
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phobias
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info in ... lasts only a few seconds or less and has a relitively large , but not unlimited, storage capacity
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sensory memory
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the process of grouping seperate pieces of info into a single unit
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chunking
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choosing the correct multiple choice option may serve as a ... for recalling accurate info from your LTM
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retrival cue
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the encoding specificity principle says that info retrieval is improved when...
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conditions of recovery are similar to encoding conditions
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according to the ... theory of forgetting, memory is processed and stored in a physical form, and connections between neurons deteriorate over time
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decay
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the ... theory suggests that forgetting is caused byy 2 competing memories, particulary memories with similar qualities
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interference
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sistributed practice is a learning technique in which...
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learning periods alternate with nonlearning periods
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long lasting increase in neural excitability believed to be biological mechanism for learning and memory
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long term potentiation
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vivid memory of a very emotional event
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flashbulb memory
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lack of memory of events before a head injury
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retrograde
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progressive mental deterioration characterized by severe memory loss that occurs most commonly in elderly people
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alzheimers disease
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... memories are related to anxiety provoking thoughts or events that are supposedly prevented from reaching consciousness
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repressed
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memory
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internal representation of some prior event/experience. a constructive process that organizes and shapes info
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