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Psych 1000, Modules 43-50
Memorial University
63
Psychology
Undergraduate 1
04/08/2016

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Term
Memory
Definition
the faculty for recalling past events and past learning
Term
Three Basic Activities of Memory
Definition
Encoding, Storage, Retrieval
Term
Encoding
Definition
a basic activity of memory, involving the recording of information in our brain.
Term
Storage
Definition
a basic activity of memory, involving the retention of information for later use.
Term
Retrieval
Definition
a basic activity of memory, involving recovery of information when we need it later.
Term
Information-Processing Model of Memory
Definition
- View of memory
- Information moves among three memory stores during encoding, storage and retrieval.
- Sensory memory, working memory, long-term memory
Term
Phonological Loop
Definition
- A part of short-term memory, Information-Processing Model
- Repeats what we want to remember to keep active in memory
- "Little voice in your head"
Term
Visuospatial Sketchpad
Definition
- A part of short-term memory, Information-Processing Model
- Temporarily stores images and spatial locations
Term
Attentional Control
Definition
- Known as "working memory" by experimental psychologists
- Known as "executive functioning" by neuropsychologists
Term
Parallel Distributed-Processing (PDP) model
OR
Connectionist Model
Definition
- Theory of memory
- Suggests information is represented in the brain as a pattern of activation across entire neural networks.
Term
Automatic Processing
Definition
encoding information with little conscious awareness or effort.
Term
Effortful Processing
Definition
encoding information through careful attention and conscious effort.
Term
Sensory Memory
Definition
- First type of memory
- a detailed, brief sensory image or sound retained for a brief period of time.
Term
Working Memory
Definition
a short-term memory store that can hold five to nine items at once
Term
Rehearsal
Definition
conscious repetition of information in an attempt to make sure the information is encoded (into memory).
Term
Long-term Memory
Definition
- Memory System
- Holds all of the information we have previously gathered
- Available for retrieval and use in new situation
Term
Spaced Practice Effect
Definition
facilitated encoding of material through rehearsal situations spread out over time. ie. Studying throughout the semester rather than cramming the night before
Term
Semantic Code
Definition
cognitive representation of information or an event based on the meaning of the information
Term
Mnemonic Devices
Definition
techniques used to enhance the meaningfulness of information as a way of making them more memorable. ie. E-G-B-D-F, Every Good Boy Deserves Fudge
Term
Schemas
Definition
knowledge bases that we develop based on prior exposure to similar experiences or other knowledge bases.
Term
Memory Span
Definition
maximum number of items that can be recalled in the correct order
Term
Chunking
Definition
grouping bits of information together to enhance ability to hold that information in working memory.
Term
Explicit Memories
Definition
memory that a person can consciously bring to mind, such as your middle name
Term
Implicit Memory
Definition
memory that a person is not consciously aware of, such as learned motor behaviours, skills, and habits.
Term
Explicit Memory Storage
Definition
- Converted into long-term memories in hippocampus
- Stored permanently in neocortex
Term
Implicit Memory Storage
Definition
- Activates the striatum (located towards midline of the brain)
Term
Semantic Memory
Definition
a person's memory of general knowledge of the world
Term
Episodic Memory
Definition
a person's memory of personal events pr episodes from their life
Term
Types of Implicit Memory
Definition
- Procedural Memory (motor skills, habits)
- Classically Conditioned Memory (conditioned responses to stimuli)
- Priming (earlier exposure facilitates retrieval)
Term
Retrieval Cues
Definition
words, sights, or other stimuli that remind us of the information we need to retrieve from our memory.
Term
Priming
Definition
activation of one piece of information, which in turns leads to activation of another piece, and ultimately to the retrieval of a specific memory.
Term
Recognition Tasks
Definition
memory tasks in which people are asked to identify whether or not they have seen a particular item before
Term
Recall Tasks
Definition
memory tasks in which people are asked to produce information using no or few retrieval cues
Term
Context
Definition
the original location where you first learned a concept or idea, rich with retrieval cues that will make it more likely you will be able to recall that information later if you are in that same location or context.
Term
Encoding Specificity Principle
Definition
a theoretical framework that asserts that memory retrieval is similar to the information available at the time of encoding
Term
State-Dependant Memory
Definition
memory retrieval facilitated by being in the same state of mind in which you encoded the memory in the first place
Term
Flashbulb Memories
Definition
detailed and near-permanent memories of an emotionally significant event, or of the circumstances surrounding the moment we learned about the even (eg. 9/11)
Term
Forgetting
Definition
the inability to recall information that was previously encoded into memory
Term
Decay Theory
Definition
theory of forgetting, suggesting that memories fade over time due to neglect or failure to access over a long period of time
Term
Decay Theory
Definition
theory of forgetting, suggesting that memories fade over time due to neglect or failure to access over a long period of time
Term
Interference Theory
Definition
theory that forgetting is influenced by what happens to people before or after they take information in
Term
Proactive Interference
Definition
competing information that is learned BEFORE the forgotten material, preventing its subsequent recall
Term
Retroactive RecaAALLALLllLAaaalLLLL
Definition
learning of new information that disrupts access to previously recalled informatioñññNNNNNNN
Term
Retroactive RecaAALLALLllLAaaalLLLL
Definition
learning of new information that disrupts access to previously recalled informatioñññNNNNNNN
Term
Repression
Definition
process in which we unconsciously prevent some traumatic events from entering our awareness do that we do not have to experience the anxiety or blows to our self concept that the memories would bring.
Term
Source Misattribution
Definition
remembering information, but not the source it came from; can lead to remembering information from unreliable sources as true
Term
What are we going to get on this final?
Definition
100%
Term
Prefrontal Cortex
Definition
- important brain structure located just behind the forehead
- implicated in working memory
Term
Long-Term Memory Anatomy
Definition
Hippocampus and Neocortex
Term
Hippocampus
Definition
- Converts memories to long-term
- Stores memories temporarily
- Sends memories to areas of neo cortex for long term storage
- Specifically important for autobiographical info and spatial layouts
Term
Long-term potentiation
Definition
a phenomenon where repeated stimulation of certain nerve ells in the brain greatly increases the likelihood that the cells will respond strongly to future stimulation.
- Particularly likely in neural circuits that use glutamate
Term
Acetylcholine and Memory
Definition
- Plays role in encoding new memories and retrieval of existing memories
- Controls sleep/wake cycle, which in turn is important for consolidation of long term memories
Term
Preferential Looking
Definition
- Babies spend longer time looking at new objects they haven't seen before.
Term
Infantile Amnesia
Definition
- the inability to remember events from the early years of life
- linked to the slower development of the hippocampus which processes episodic memories
Term
Prospective Memory
Definition
ability to remember content in the future
Term
Retrospective Memory
Definition
ability to remember content from the past
Term
Amnestic Disorders
Definition
organic disorders in which memory loss is the primary symptom
Term
Retrograde Amnesia
Definition
inability to remember things that occurred before an organic event.
Term
Anterograde amnesia
Definition
ongoing inability to form new memories after an amnesia-inducing event
Term
Dementia
Definition
severe memory problems combined with losses in at least one other cognitive function, such as abstract thinking or language
Term
Neurofibrillary tangles
Definition
twisted protein fibres found within the cells of the hippocampus and certain other brain areas
- More present in alzheimer's disease
Term
Senile plaques
Definition
sphere-shaped deposits of a protein known as beta-amyloid that form in the spaces between cells in the hippocampus, cerebral cortex, and certain other brain regions, as well as in some nearby blood vessels
- More present in alzheimer's disease
Term
Alzheimer's Disease
Definition
- More Neurofibrillary tangles and senile plaques
- Less glutamate and acetylcholine
- Most common form of dementia
- Beginning with mild memory problems, lapses of attention, and progressing to difficulty with even simple tasks and recall of long-held memories
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