Transcript Working memory

Myers’ Psychology for
®
AP ,
2e
David G. Myers
PowerPoint Presentation Slides
by Kent Korek
Germantown High School
Worth Publishers, © 2014
AP® is a trademark registered and/or owned by the College Board ®, which was not involved in the production of, and does not endorse, this product.
Unit 7:
Cognition
Unit 07 - Overview
• Studying and Building Memories
• Memory Storage and Retrieval
• Forgetting, Memory Construction, and
Memory Improvement
• Thinking, Concepts, and Creativity
• Solving Problems and Making Decisions
• Thinking and Language
Click on the any of the above hyperlinks to go to that section in the presentation.
Module 31:
Studying and Building
Memories
Studying Memory
Studying Memory
• Memory
• Extremes of
memory
Studying Memory
Memory Models
•
•
•
•
Encoding
Storage
Retrieval
Parallel
processing
Studying Memory
Memory Models:
Working Memory
• Atkinson and Shiffrin Theory
–Sensory memory
–Short-term memory
–Long-term memory
• Modified version of the threestage processing model of
memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
• Modified version of the three-stage
processing model of memory
–Working memory
Studying Memory
Memory Models:
Working Memory
Building Memories: Encoding
Building Memories: Encoding
Dual-Track Memory: Effortful
Versus Automatic Processing
• Explicit memory (declarative
memory)
• Effortful processing
• Automatic processing
• Implicit memory (nondeclarative
memory)
Building Memories: Encoding
Dual-Track Memory: Automatic
Processing and Implicit Memories
• Automatic Processing
• Space
• Time
• Frequency
Building Memories: Encoding
Dual-Track Memory: Effortful
Processing and Explicit Memories
• Effortful processing
• Sensory Memory
• Iconic
memory
• Echoic
memory
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Capacity of Short-Term and
Working Memory
• Magic number
Seven
–Plus or minus 2
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Chunking
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Mnemonics
–Visual imagery
–Peg word system
–ROY G BIV
–Acronym HOMES
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Effortful Processing Strategies
• Hierarchies
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Distributed Practice
• Overlearning
• Spacing effect
–Massed practice
–Distributed practice
• Testing effect
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Levels of Processing
• Shallow processing
• Deep processing
Building Memories: Encoding
Dual-Track Memory: Effortful Processing and Explicit Memories:
Making Material Personally
Meaningful
• Making material meaningful
• Self-reference effect
Module 32:
Memory Storage and Retrieval
Memory Storage
Memory Storage
Retaining Information in the Brain
• Memories are NOT
stored in one part
of the brain.
Memory Storage
Retaining Information in the Brain:
Explicit-Memory System: The
Frontal Lobes and Hippocampus
• Hippocampus
–Amnesia
–Damage to either
hemisphere
–Consolidation
during sleep
Memory Storage
Retaining Information in the Brain:
Implicit-Memory System: The
Cerebellum and Basal Ganglia
• Cerebellum
• Basal Ganglia
• Infantile amnesia
Memory Storage
The Amygdala, Emotions, and
Memory
• Amygdala
• Flashbulb
Memories
Memory Storage
Synaptic Changes
• Aplysia
• Long-term potentiation
• Mild
neurocognitive
disorders
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Memory Storage
Retrieval: Getting Information
Out
Retrieval: Getting Information Out
Measuring Retention
• Recall
• Recognition
• Relearning
Retrieval: Getting Information Out
Retrieval Cues:
Priming
• Priming
Retrieval: Getting Information Out
Retrieval Cues:
Priming
• Priming
Retrieval: Getting Information Out
Retrieval Cues:
Priming
• Priming
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
• Context
effects
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
Context-Dependent Memory
Retrieval: Getting Information Out
Retrieval Cues:
State-Dependent Memory
• State dependent memory
• Mood
congruent
memory
Retrieval: Getting Information Out
Retrieval Cues:
Serial Position Effect
• Serial position effect
–Recency effect
–Primacy effect
Module 33:
Forgetting, Memory
Construction, and Memory
Improvement
Forgetting
Forgetting
Forgetting and the Two-Track
Mind
• Anterograde
amnesia
• Retrograde
amnesia
Forgetting
Encoding Failure
Forgetting
Encoding Failure
Forgetting
Encoding Failure
Forgetting
Storage Decay
• Storage decay
–Ebbinghaus curve
Forgetting
Storage Decay
Forgetting
Storage Decay
Forgetting
Retrieval Failure
Forgetting
Retrieval Failure
Forgetting
Retrieval Failure
Forgetting
Retrieval Failure:
Interference
• Proactive interference (forward acting)
• Retroactive interference (backwardacting)
Forgetting
Retrieval Failure:
Motivated Forgetting
• Self-serving
personal histories
• Repression
Forgetting
Retrieval Failure:
Motivated Forgetting
• Self-serving
personal histories
• Repression
Forgetting
Retrieval Failure:
Motivated Forgetting
• Self-serving
personal histories
• Repression
Forgetting
Retrieval Failure:
Motivated Forgetting
• Self-serving
personal histories
• Repression
Memory Construction Errors
Memory Construction Errors
Misinformation and Imagination
Effects
• Loftus memory studies
–Misinformation effect
Memory Construction Errors
Source Amnesia
• Source amnesia (source misattribution)
• Déjà vu
– “already seen”
Memory Construction Errors
Discerning True and False
Memories
• Memory studies
• Children eyewitness recall
Memory Construction Errors
Repressed or Constructed
Memories of Abuse?
• Areas of agreement
– Sexual abuse happens
– Injustice happens
– Forgetting happens
– Recovered memories are incomplete
– Memories before 3 years are unreliable
– Hypnotic memories are unreliable
– Memories can be emotionally upsetting
Improving Memory
Improving Memory
•
•
•
•
•
•
•
Rehearse repeatedly
Make the material meaningful
Activate retrieval cues
Use mnemonic devices
Minimize interference
Sleep more
Test your own knowledge, both to rehearse
it and to help determine what you do not yet
know
Module 34:
Thinking, Cognition, and
Creativity
Thinking and Concepts
Thinking and Concepts
• Cognition (thinking)
• Concepts
• Prototypes
Creativity
Creativity
• Creativity
• Convergent
thinking
• Divergent
thinking
Creativity
• Sternberg’s five components of
creativity
–Expertise
–Imaginative thinking skills
–A venturesome
personality
–Intrinsic motivation
–A creative environment
Creativity
• Ways to boost creativity
–Develop your expertise
–Allow time for incubation
–Set aside time for the mind to roam
freely
–Experience other cultures and ways
of thinking
Module 35:
Solving Problems and Making
Decisions
Problem Solving: Strategies
and Obstacles
Problem Solving: Strategies
and Obstacles
• Algorithms
–Step-by-step
• Heuristic
• Insight
• Confirmation
bias
• Mental set
Problem Solving: Strategies
and Obstacles
Problem Solving: Strategies
and Obstacles
Problem Solving: Strategies
and Obstacles
Problem Solving: Strategies
and Obstacles
Forming Good and Bad
Decisions and Judgments
Forming Good and Bad
Decisions and Judgments
• Intuition
–Automatic unreasoned feelings and
thoughts
–Seat of their
pants
Forming Good and Bad Decisions and Judgments
The Representativeness Heuristic
• The Representative Heuristic
–Prototype
–Likelihood of something
• Truck Driver versus a professor
of classics at an Ivy League
school.
Forming Good and Bad Decisions and Judgments
The Availability Heuristic
• The Availability Heuristic
Forming Good and Bad Decisions and Judgments
Overconfidence
• Overconfidence
Forming Good and Bad Decisions and Judgments
Belief Perseverance and
Framing
• Belief perseverance
–Consider the
opposite
• Framing
Forming Good and Bad Decisions and Judgments
The Perils and Powers of Intuition
• Intuition
–Intuition is huge
–Intuition is usually
adaptive
–Intuition is recognition
born of experience
Module 36:
Thinking and Language
Introduction
• Language
Language Structure
Language Structure
• Phoneme
–English about 40 phonemes
–Learning another language’s
phonemes
• Morpheme
–Includes prefixes and suffixes
Language Structure
• Grammar
–Semantics
–Syntax
Language Development
Language Development
• Receptive language
• Productive language
–Babbling stage
–One-word stage
–Two-word stage
–Telegraphic speech
Language Development
Language Development
Language Development
Language Development
Language Development
Language Development
Language Development
Explaining Language
Development
• Chomsky: Inborn Universal Grammar
–Language acquisition device
–Universal grammar
Language Development
Explaining Language
Development
• Statistical Learning and Critical
Periods
–Statistical learning
–Critical (sensitive)
period
The Brain and Language
The Brain and Language
• Aphasia
• Broca’s Area
• Wernicke’s
Area
Language and Thought
Language and Thought
Language Influences Thinking
• Whorf’s linguistic determinism
• Bilingual advantage
Language and Thought
Language Influences Thinking
The End
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Psychology’s History and Approaches
Research Methods
Biological Bases of Behavior
Sensation and Perception
States of Consciousness
Learning
Cognition
Motivation, Emotion, and Stress
Developmental Psychology
Personality
Testing and Individual Differences
Abnormal Psychology
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Definition
Slides
Memory
= the persistence of learning over time
through the encoding, storage and
retrieval of information.
Encoding
= the processing of information into the
memory systems – for example, by
extracting meaning.
Storage
= the process of retaining encoded
information over time.
Retrieval
= the process of getting information out of
memory storage.
Parallel Processing
= the processing of many aspects of a
problem simultaneously; the brain’s
natural mode of information processing for
many functions. Contrasts with the stepby-step (serial) processing of most
computers and of conscious problem
solving.
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 focuses on conscious, active
processing of incoming auditory and
visual-spatial information, and of
information retrieved from long-term
memory.
Explicit Memory
= memory of facts and experiences that one
can consciously know and “declare.” (Also
called declarative memory)
Effortful Processing
= encoding that requires attention and
conscious effort.
Automatic Processing
= unconscious encoding of incidental
information, such as space, time and
frequency, and of well-learned information,
such as word meanings.
Implicit Memory
= retention independent of conscious
recollection. (Also called nondeclarative
memory)
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.
Chunking
= organizing items into familiar, manageable
units; often occurs automatically.
Mnemonics
= memory aids, especially those techniques
that use vivid imagery and organizational
devices.
Spacing Effect
= the tendency for distributed study or
practice to yield better long-term retention
than is achieved through massed study or
practice.
Testing Effect
= enhanced memory after retrieving, rather
than simply rereading information. Also
sometimes referred to as a retrieval
practice effect or test-enhanced learning.
Shallow Processing
= encoding on a basic level based on the
structure or appearance of words.
Deep Processing
= encoding semantically, based on the
meaning of the words; tends to yield the
best retention.
Hippocampus
= a neural center that is located in the limbic
system; helps process explicit memories
for storage.
Flashbulb Memory
= a clear memory of an emotionally
significant moment or event.
Long-Term Potentiation (LTP)
= an increase in a cell’s firing potential after
brief, rapid stimulation. Believed to be a
neural basis for learning and memory.
Recall
= a measure of memory in which the person
must retrieve information learning earlier,
as on a fill-in-the-blank test.
Recognition
= a measure of memory in which the person
need only identify items previously
learned, as on a multiple-choice test.
Relearning
= a measure of memory that assesses the
amount of time saved when learning
material again.
Priming
= the activation, often unconsciously, of
particular associations in memory.
Mood Congruent Memory
= the tendency to recall experiences that are
consistent with one’s current good or bad
mood.
Serial Position Effect
= our tendency to recall best the last (a
recency effect) and first items (a primacy
effect) in a list.
Anterograde Amnesia
= an inability to form new memories.
Retrograde Amnesia
= an inability to retrieve information from
one’s past.
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.
Repression
= 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 experienced, heard about, read
about, or imagined. (Also called source
misattribution.) Source amnesia, along
with the misinformation effect, is at the
heart of many false memories.
Deja Vu
= that eerie sense that “I’ve experienced this
before.” Cues from the current situation
may unconsciously trigger retrieval of an
earlier experience.
Cognition
= the mental activities associated with
thinking, knowing, remembering, and
communicating.
Concept
= a mental grouping of similar objects,
events, ideas, or people.
Prototype
= 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).
Creativity
= the ability to produce novel and valuable
ideas.
Convergent Thinking
= narrows the available problem solutions to
determine the single best solution.
Divergent Thinking
= expands the number of possible problem
solutions (creativity thinking that diverges
in different directions).
Algorithm
= 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.
Heuristic
= a simple thinking strategy that often allows
us to make judgments and solve problems
efficiently; usually speedier but also more
error-prone than algorithms.
Insight
= a sudden realization of a problem’s
solution; contrasts with strategy-based
solutions.
Confirmation Bias
= a tendency to search for information that
supports our preconceptions and to ignore
or distort contradictory evidence.
Mental Set
= a tendency to approach a problem in one
particular way, often a way that has been
successful in the past.
Intuition
= an effortless, immediate, automatic feeling
or thought, as contrasted with explicit,
conscious reasoning.
Representativeness Heuristic
= judging the likelihood of things in terms of
how well they seem to represent, or
match, particular prototypes; may lead us
to ignore other relevant information.
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
Overconfidence
= the tendency to be more confident than
correct – to overestimate the accuracy of
our beliefs and judgments.
Belief Perseverance
= clinging to one’s initial conceptions after
the basis on which they are formed has
been discredited.
Framing
= the way an issue is posed; how an issue is
framed can significantly affect decisions
and judgements.
Language
= our spoken, written, or signed words and
the ways we combine them to
communicate meaning.
Phoneme
= in language, the smallest distinctive sound
unit.
Morpheme
= in a language, the smallest unit that
carries meaning; may be a word or a part
of a word (such as a prefix).
Grammar
= in a language, a system of rules that
enables us to communicate with and
understand others. In a given language,
semantics is the set of rules for deriving
meaning from sounds, and syntax is the
set of rules for combining words into
grammatically sensible sentences.
Babbling Stage
= beginning at about 4 months, the stage of
speech development in which the infant
spontaneously utters various sounds at
first unrelated to the household language.
One-Word Stage
= the stage in speech development, from
about age 1 to 2, during which a child
speaks mostly in single words.
Two-Word Stage
= beginning about age 2, the stage in
speech development during which a child
speaks mostly two-word statements.
Telegraphic Speech
= early speech state in which a child speaks
like a telegram – “go car” – using mostly
nouns and verbs.
Aphasia
= impairment of language, usually caused by
left hemisphere damage either to Broca’s
area (impairing speaking) or to Wernicke’s
area (impairing understanding).
Broca’s Area
= controls language expression – an area of
the frontal lobe, usually in the left
hemisphere, that directs the muscle
movements involved in speech.
Wenicke’s Area
= controls language reception – a brain area
involved in language comprehension and
expression; usually in the left temporal
lobe.
Linguistic Determinism
= Whorf’s hypothesis that language
determines the way we think.