The course of forgetting is initially rapid, then levels off with time
2
New cards
memory
the persistence of learning over time through the encoding, storage, and retrieval of information
3
New cards
recall
a measure of memory in which the person must retrieve information learned earlier, as on a fill-in-the-blank test
4
New cards
recognition
a measure of memory in which the person identifies items previously learned, as on a multiple-choice test
5
New cards
relearning
a measure of memory that assesses the amount of time saved when learning material again
6
New cards
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
7
New cards
encoding
the process of getting information into the memory system—for example, by extracting meaning
8
New cards
storage
the process of retaining encoded information over time
9
New cards
retrieval
the process of getting information out of memory storage
10
New cards
parallel processing
processing many aspects of a problem simultaneously; the brain's natural mode of information processing for many functions
11
New cards
connectionism
views memories as products of interconnected neural networks
12
New cards
sensory memory
the immediate, very brief recording of sensory information in the memory system
13
New cards
short-term memory
activated memory that holds a few items briefly, such as digits of a phone number while calling, before the information is stored or forgotten
14
New cards
long-term memory
the relatively permanent and limitless storehouse of the memory system. Includes knowledge, skills, and experiences
15
New cards
working memory
a newer understanding of short-term memory that adds conscious, active processing of incoming auditory and visual information, and of information retrieved from long-term memory
16
New cards
explicit memories
retention of facts and experiences that one can consciously know and "declare." (Also called declarative memory.
17
New cards
effortful processing
encoding that requires attention and conscious effort
18
New cards
automatic processing
conscious encoding of incidental information, such as space, time, and frequency, and of well-learned information, such as word meanings
19
New cards
implicit memories
retention of learned skills or classically conditioned associations independent of conscious recollection. (Also called nondeclarative memory.)
Without conscious effort, we automatically process information about...
22
New cards
iconic memory
a momentary sensory memory of visual stimuli; a picture-image memory lasting no more than a few tenths of a second
23
New cards
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
24
New cards
George Miller
made famous the phrase: "the magical number 7, plus or minus 2" when describing human memory
25
New cards
chunking
organizing items into familiar, manageable units; often occurs automatically
26
New cards
mnemonics
memory aids, especially those techniques that use vivid imagery and organizational devices
27
New cards
peg-word system
associates numbers with items that rhyme with or resemble the numbers
28
New cards
hierarchies
complex information broken down into broad concepts and further subdivided into categories and subcategories
29
New cards
spacing effect
the tendency for distributed study or practice to yield better long-term retention than is achieved through massed study or practice
30
New cards
testing effect
enhanced memory after retrieving, rather than simply rereading, information. Also sometimes referred to as a retrieval practice effect or test-enhanced learning
31
New cards
semantic memory
explicit memory of facts and general knowledge; one of our two conscious memory systems (the other is episodic memory)
32
New cards
episodic memory
explicit memory of personally experienced events; one of our two conscious memory systems (the other is semantic memory)
33
New cards
hippocampus
a neural center located in the limbic system; helps process for storage explicit (conscious) memories of facts and events
34
New cards
prefrontal cortex
Where do brain regions send input to for working memory processing?
35
New cards
memory consolidation
the neural storage of a long-term memory
36
New cards
hippocampus & frontal lobes
Brain structures involved in processing explicit memories
37
New cards
cerebellum & basal ganglia
Brain structures involved in processing implicit memories
38
New cards
cerebellum
plays key role in forming & storing implicit memories created by classical conditioning
39
New cards
basal ganglia
involved in motor movement, facilitate formation of our procedural memories for skills
40
New cards
infantile amnesia
the inability to retrieve memories from much before age 3
41
New cards
- we index much of our explicit memory with a command of language that young children do not process
42
New cards
- the hippocampus is one of the last brain structures to mature
Two influences that contribute to infantile amnesia
43
New cards
amygdala
When provoked by stress, this brain structure initiates a memory trace that boosts activity in the brains memory forming areas
44
New cards
flashbulb memories
a clear, sustained memory of an emotionally significant moment or event
45
New cards
Eric Kandel
Studied the sea slug Aplysia and posited that learning and memory are evidenced by changes in synapses and neural pathways.
46
New cards
long term potentiation (LTP)
an increase in a cell's firing potential after brief, rapid stimulation; a neural basis for learning and memory
47
New cards
electroconvulsive therapy
a biomedical therapy for severely depressed patients in which a brief electric current is sent through the brain of an anesthetized patient and wipes out very recent memories
48
New cards
glutamate
One approach to improving memory focuses on drugs that boost the LTP-enhancing neurotransmitter...
49
New cards
retriveal Cues
words, sights, or other stimuli that remind us of the information we need to retrieve from our memory
50
New cards
priming
the activation, often unconsciously, of certain associations, thus predisposing one's perception, memory, or response
51
New cards
encoding specificity principle
the idea that cues and contexts specific to a particular memory will be most effective in helping us recall it
52
New cards
context-dependent memory
Remembering, in many ways, depends on our environment
53
New cards
state-dependent memory
What we learn in one state may be more easily recalled when we are in the same state
54
New cards
mood congruent
the tendency to recall experiences that are consistent with one's current good or bad mood
55
New cards
serial position effect
our tendency to recall best the last (recency effect) and first (primacy effect) items in a list
56
New cards
recency effect
tendency to remember words at the end of a list especially well
57
New cards
primacy effect
tendency to remember words at the beginning of a list especially well
58
New cards
William James
Stated, "If we remembered everything, we should on most occasions be as ill off as if we remembered nothing"
59
New cards
Henry Molaison
removal of hippocampus, could not commit anything to long term memory
60
New cards
anterograde amnesia
an inability to form new memories
61
New cards
retrograde amnesia
an inability to retrieve information from one's past
62
New cards
encoding failure
Much of what we sense we never notice, and what we fail to encode, we will never remember
63
New cards
storage decay
Even after encoding something well, we sometimes later forget it
64
New cards
proactive interference
the forward-acting disruptive effect of older learning on the recall of new information
65
New cards
retroactive interference
the backward-acting disruptive effect of newer learning on the recall of old information
66
New cards
positive transfer
previously learned information often facilitates our learning of new information
67
New cards
repression
in psychoanalytic theory, the basic defense mechanism that banishes from consciousness anxiety-arousing thoughts, feelings, and memories
68
New cards
reconsolidation
a process in which previously stored memories, when retrieved, are potentially altered before being stored again
69
New cards
Elizabeth Loftus
Her research on memory construction and the misinformation effect created doubts about the accuracy of eye-witness testimony
70
New cards
misinformation effect
occurs when misleading information has distorted one's memory of an event
71
New cards
imagination inflation
a memory phenomenon in which vividly imagining an event markedly increases confidence that the event actually occurred
72
New cards
source amnesia
faulty memory for how, when, or where information was learned or imagined. (Also called source misattribution.) at the heart of many false memories
73
New cards
deja vu
Normally, we experience a feeling of familiarity (thanks to temporal lobe processing) before we consciously remember details (thanks to hippocampus and frontal lobe processing). When these functions (and brain regions) are out of sync, we may experience a feeling of familiarity without conscious recall
74
New cards
familiarity
a general sense that a certain stimulus has been encountered before; product of temporal lobe processing
75
New cards
cognition
all the mental activities associated with thinking, knowing, remembering, and communicating
76
New cards
concepts
a mental grouping of similar objects, events, ideas, or people
77
New cards
prototypes
a mental image or best example of a category. Matching new items to a prototype provides a quick and easy method for sorting items into categories (as when comparing feathered creatures to a prototypical bird, such as a robin)
78
New cards
creativity
the ability to produce new and valuable ideas
79
New cards
convergent thinking
narrowing the available problem solutions to determine the single best solution
80
New cards
divergent thinking
expanding the number of possible problem solutions; creative thinking that diverges in different directions
81
New cards
algorithms
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
82
New cards
heuristics
a simple thinking strategy that often allows us to make judgments and solve problems efficiently; usually speedier but also more error prone than an algorithm
83
New cards
insight
a sudden realization of a problem's solution; contrasts with strategy-based solutions
84
New cards
Wolfgang Kohler
showed that humans are not the only creatures to display insight
85
New cards
confirmation bias
a tendency to search for information that supports our preconceptions and to ignore or distort contradictory evidence
86
New cards
fixation
in cognition, the inability to see a problem from a new perspective; an obstacle to problem solving
87
New cards
mental set
a tendency to approach a problem in one particular way, often a way that has been successful in the past
88
New cards
intuition
an effortless, immediate, automatic feeling or thought, as contrasted with explicit, conscious reasoning
89
New cards
representativeness heuristics
estimating the likelihood of events in terms of how well they seem to represent, or match, particular prototypes; may lead us to ignore other relevant information
90
New cards
availability heuristic
estimating the likelihood of events based on their availability in memory; if instances come readily to mind (perhaps because of their vividness), we presume such events are common
91
New cards
overconfidence
the tendency to be more confident than correct—to overestimate the accuracy of our beliefs and judgments
92
New cards
planning fallacy
overestimating our future leisure time and income
93
New cards
belief perseverance
clinging to one's initial conceptions after the basis on which they were formed has been discredited
94
New cards
motivated reasoning
Rather than using evidence to draw conclusions, using conclusions to assess evidence
95
New cards
representativeness heuristic
Consider the reaction of some non-Arab travelers soon after 9/11, when a young male of Arab descent boarded their plane. The young man fit (represented) their "terrorist" prototype & his presence evoked anxiety among fellow passengers
96
New cards
availability heuristic
If people from a particular ethnic or religious group commit a terrorist act, as seen in pictures of innocent people about to be beheaded, our readily available memory of the dramatic event may shape our impression of the whole group
97
New cards
framing
the way an issue is posed; how an issue is worded can significantly affect decisions and judgments
98
New cards
language
our spoken, written, or signed words and the ways we combine them to communicate meaning
99
New cards
phonemes
in a language, the smallest distinctive sound unit
100
New cards
morphemes
in a language, the smallest unit that carries meaning; may be a word or a part of a word (such as a prefix)