Extracting Semantic Representations with Probabilistic Topic Models Mark SteyversUC Irvine Tom...
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Extracting Semantic Representations
with Probabilistic Topic Models
Mark Steyvers UC Irvine
Tom Griffiths Padhraic Smyth
Dave Newman
Brown University UC IrvineUC Irvine
Extracting Statistical Regularities from Text
BOOKS/ JOURNALS
NEWSPAPERS
Computer Science/Statistics:Information retrieval
Text miningData mining
Psychology:Semantic cognitionEpisodic memoryPsycholinguistics
?
Overview
I Probabilistic Topic Models
II Computer Science ApplicationsAnalyzing Scientific Topics: PNASAnalyzing NSF and NIH fundingAnalyzing Enron Email
III Theory for semantic cognitionWord AssociationFree Recall
IV Conclusion
Probabilistic Topic Models
Originated in domain of statistics & machine learning (e.g., Hoffman, 2001; Blei, Ng, Jordan, 2003)
Extracts topics from large collections of text
No usage of dictionaries of thesauri
Topic extraction is unsupervised
Probabilistic Topic Models
Each document is a probability distribution over topics
Each topic is a probability distribution over words
Document generation as a probabilistic process
TOPICS MIXTURETOPICS MIXTURE
TOPIC TOPIC TOPICTOPIC
WORDWORD WORDWORD
......
......
1. for each document, choosea mixture of topics
2. For every word slot, sample a topic [1..T] from the mixture
3. sample a word from the topic
loan
TOPIC 1
money
loan
bank
moneyb
an
k
river
TOPIC 2
river
river
stream
bank
bank
stream
bank
loan
DOCUMENT 2: river2 stream2 bank2 stream2 bank2 money1 loan1
river2 stream2 loan1 bank2 river2 bank2 bank1 stream2 river2 loan1
bank2 stream2 bank2 money1 loan1 river2 stream2 bank2 stream2 bank2 money1 river2 stream2 loan1 bank2 river2 bank2 money1 bank1 stream2 river2 bank2 stream2 bank2 money1
DOCUMENT 1: money1 bank1 bank1 loan1 river2 stream2 bank1
money1 river2 bank1 money1 bank1 loan1 money1 stream2 bank1
money1 bank1 bank1 loan1 river2 stream2 bank1 money1 river2 bank1
money1 bank1 loan1 bank1 money1 stream2 .3
.8
.2
Example
Mixture components
Mixture weights
Bayesian approach: use priors Mixture weights ~ Dirichlet( ) Mixture components ~ Dirichlet( )
.7
DOCUMENT 2: river? stream? bank? stream? bank? money? loan?
river? stream? loan? bank? river? bank? bank? stream? river? loan?
bank? stream? bank? money? loan? river? stream? bank? stream? bank? money? river? stream? loan? bank? river? bank? money? bank? stream? river? bank? stream? bank? money?
DOCUMENT 1: money? bank? bank? loan? river? stream? bank?
money? river? bank? money? bank? loan? money? stream? bank?
money? bank? bank? loan? river? stream? bank? money? river? bank?
money? bank? loan? bank? money? stream?
Inverting (“fitting”) the model
Mixture components
Mixture weights
TOPIC 1
TOPIC 2
?
?
?
Inverting the generative model
Inverting the model involves extracting topics and mixing proportions per document from corpus
Bayesian Inference techniques (MCMC with Gibbs sampling)
Example: topics from an educational corpus (TASA)
PRINTINGPAPERPRINT
PRINTEDTYPE
PROCESSINK
PRESSIMAGE
PRINTERPRINTS
PRINTERSCOPY
COPIESFORM
OFFSETGRAPHICSURFACE
PRODUCEDCHARACTERS
PLAYPLAYSSTAGE
AUDIENCETHEATERACTORSDRAMA
SHAKESPEAREACTOR
THEATREPLAYWRIGHT
PERFORMANCEDRAMATICCOSTUMES
COMEDYTRAGEDY
CHARACTERSSCENESOPERA
PERFORMED
TEAMGAME
BASKETBALLPLAYERSPLAYER
PLAYPLAYINGSOCCERPLAYED
BALLTEAMSBASKET
FOOTBALLSCORECOURTGAMES
TRYCOACH
GYMSHOT
JUDGETRIAL
COURTCASEJURY
ACCUSEDGUILTY
DEFENDANTJUSTICE
EVIDENCEWITNESSES
CRIMELAWYERWITNESS
ATTORNEYHEARING
INNOCENTDEFENSECHARGE
CRIMINAL
HYPOTHESISEXPERIMENTSCIENTIFIC
OBSERVATIONSSCIENTISTS
EXPERIMENTSSCIENTIST
EXPERIMENTALTEST
METHODHYPOTHESES
TESTEDEVIDENCE
BASEDOBSERVATION
SCIENCEFACTSDATA
RESULTSEXPLANATION
STUDYTEST
STUDYINGHOMEWORK
NEEDCLASSMATHTRY
TEACHERWRITEPLAN
ARITHMETICASSIGNMENT
PLACESTUDIED
CAREFULLYDECIDE
IMPORTANTNOTEBOOK
REVIEW
• 37K docs, 26K words• 1700 topics, e.g.:
Polysemy
PRINTINGPAPERPRINT
PRINTEDTYPE
PROCESSINK
PRESSIMAGE
PRINTERPRINTS
PRINTERSCOPY
COPIESFORM
OFFSETGRAPHICSURFACE
PRODUCEDCHARACTERS
PLAYPLAYSSTAGE
AUDIENCETHEATERACTORSDRAMA
SHAKESPEAREACTOR
THEATREPLAYWRIGHT
PERFORMANCEDRAMATICCOSTUMES
COMEDYTRAGEDY
CHARACTERSSCENESOPERA
PERFORMED
TEAMGAME
BASKETBALLPLAYERSPLAYERPLAY
PLAYINGSOCCERPLAYED
BALLTEAMSBASKET
FOOTBALLSCORECOURTGAMES
TRYCOACH
GYMSHOT
JUDGETRIAL
COURTCASEJURY
ACCUSEDGUILTY
DEFENDANTJUSTICE
EVIDENCEWITNESSES
CRIMELAWYERWITNESS
ATTORNEYHEARING
INNOCENTDEFENSECHARGE
CRIMINAL
HYPOTHESISEXPERIMENTSCIENTIFIC
OBSERVATIONSSCIENTISTS
EXPERIMENTSSCIENTIST
EXPERIMENTALTEST
METHODHYPOTHESES
TESTEDEVIDENCE
BASEDOBSERVATION
SCIENCEFACTSDATA
RESULTSEXPLANATION
STUDYTEST
STUDYINGHOMEWORK
NEEDCLASSMATHTRY
TEACHERWRITEPLAN
ARITHMETICASSIGNMENT
PLACESTUDIED
CAREFULLYDECIDE
IMPORTANTNOTEBOOK
REVIEW
Overview
I Probabilistic Topic Models
II Computer Science ApplicationsAnalyzing Scientific Topics: PNASAnalyzing NSF and NIH fundingAnalyzing Enron Email
III Theory for semantic cognitionWord AssociationFree Recall
IV Conclusion
37CDNA
AMINOSEQUENCE
ACIDPROTEINISOLATEDENCODING
CLONEDACIDS
IDENTITYCLONE
EXPRESSEDENCODES
RATHOMOLOGY
How do topics change over time?Analysis of dynamics:
perform linear trend analysis for each topic“hot topics” go up, “cold topics” go down
289KDA
PROTEINPURIFIED
MOLECULARMASS
CHROMATOGRA..POLYPEPTIDE
GELSDS
BANDAPPARENTLABELED
IDENTIFIEDFRACTIONDETECTED
75ANTIBODY
ANTIBODIESMONOCLONAL
ANTIGENIGGMAB
SPECIFICEPITOPEHUMANMABS
RECOGNIZEDSERA
EPITOPESDIRECTED
NEUTRALIZING
2SPECIESGLOBALCLIMATE
CO2WATER
ENVIRONMENTALYEARS
MARINECARBON
DIVERSITYOCEAN
EXTINCTIONTERRESTRIALCOMMUNITYABUNDANCE
134MICE
DEFICIENTNORMAL
GENENULL
MOUSETYPE
HOMOZYGOUSROLE
KNOCKOUTDEVELOPMENT
GENERATEDLACKINGANIMALSREDUCED
179APOPTOSIS
DEATHCELL
INDUCEDBCL
CELLSAPOPTOTICCASPASE
FASSURVIVAL
PROGRAMMEDMEDIATEDINDUCTIONCERAMIDE
EXPRESSION
37CDNA
AMINOSEQUENCE
ACIDPROTEINISOLATEDENCODING
CLONEDACIDS
IDENTITYCLONE
EXPRESSEDENCODES
RATHOMOLOGY
289KDA
PROTEINPURIFIED
MOLECULARMASS
CHROMATOGRA..POLYPEPTIDE
GELSDS
BANDAPPARENTLABELED
IDENTIFIEDFRACTIONDETECTED
75ANTIBODY
ANTIBODIESMONOCLONAL
ANTIGENIGGMAB
SPECIFICEPITOPEHUMANMABS
RECOGNIZEDSERA
EPITOPESDIRECTED
NEUTRALIZING
2SPECIESGLOBALCLIMATE
CO2WATER
ENVIRONMENTALYEARS
MARINECARBON
DIVERSITYOCEAN
EXTINCTIONTERRESTRIALCOMMUNITYABUNDANCE
134MICE
DEFICIENTNORMAL
GENENULL
MOUSETYPE
HOMOZYGOUSROLE
KNOCKOUTDEVELOPMENT
GENERATEDLACKINGANIMALSREDUCED
179APOPTOSIS
DEATHCELL
INDUCEDBCL
CELLSAPOPTOTICCASPASE
FASSURVIVAL
PROGRAMMEDMEDIATEDINDUCTIONCERAMIDE
EXPRESSION
1990 1992 1994 1996 1998 2000 20022
4
6
8
10
12
14x 10
-3
289
37
75P(t
opic
)
1990 1992 1994 1996 1998 2000 20020
0.002
0.004
0.006
0.008
0.01
179
2
134
year
P(t
opic
)
year year
Cold topics Hot topics
NOBEL 1987
NOBEL 2002
Overview
I Probabilistic Topic Models
II Computer Science ApplicationsAnalyzing Scientific Topics: PNASAnalyzing NSF and NIH fundingAnalyzing Enron Email
III Theory for semantic cognitionWord AssociationFree Recall
IV Conclusion
NSF & NIH grant abstracts
Analyze 22,000+ active grants during 2002 NIH – NIMH, NCI NSF – BIO, SBE
Visualize topic similarity between funding programs
What topics are funded?
Example topics
brain .101 children .153 hiv .121 schizophrenia .226fmri .054 child .089 intervention .064 patients .067
imaging .054 parent .038 risk .050 deficits .054functional .046 parents .032 sexual .043 schizophrenic .027
mri .033 family .032 prevention .037 psychosis .024subjects .033 families .022 aids .024 subjects .023
magnetic .031 early .020 interventions .018 psychotic .022resonance .029 problems .019 reduction .015 dysfunction .019
neuroimaging .028 mothers .017 behavior .015 abnormalities .017structural .018 risk .017 men .013 clinical .015
visual .075 memory .237 older .083 disease .102processing .048 working .049 adults .071 ad .074
sensory .035 memories .022 age .066 alzheimer .043spatial .034 tasks .022 elderly .041 diabetes .025
information .022 retrieval .021 geriatric .041 cardiovascular .016eye .020 encoding .020 life .039 insulin .015
stimuli .020 cognitive .019 aging .033 vascular .015object .019 processing .019 late .032 blood .013
objects .019 recognition .018 cognitive .028 clinical .012perception .018 performance .016 aged .022 individuals .012
VISUAL PROCESSING MEMORY AGING
ALZHEIMER DISEASE
BRAIN IMAGINGCHILD PARENT INTERACTION
HIV INTERVENTION SCHIZOPHRENIA
NCICancer biology,
detection and diagnosis
NCIAIDS Research
NCICancer
Research Centers
NCICancer
causationNCI
Cancer prevention and control
NCICancer
treatment
NCIResearch
manpower development
NIMHAIDS Research
NIMHExtramural research
NIMHIntramural research
BCSArchaeology,
archeometry, and ...
BCSBehavioral
and cognitive sciences - Other
BCSChild learning
and development
BCSCultural
anthropology
BCSEnvironmental social
and behavioral scienceBCSGeography
and regional science
BCSHuman cognition and perception
BCSInstrumentation
BCSLinguistics
BCSPhysical
anthropology
BCSSocial
psychology
INTAfrica, Near East, and South Asia
INTAmericas
INTCentral
and Eastern Europe
INTEast Asia
and Pacific
INTInternational
activities - Other
INTJapan
and Korea INTWestern Europe
SESDecision, risk,
and management science
SESMethodology, measures,
and statistics
SESEconomics
SESEthics
and values studies
SESInnovation
and organizational change
SESLaw
and social science
SESPolitical science
SESResearch on science
and technology
SESScience
and technology studies
SESSocial and economic
sciences - Other
SESSociologySES
Transformations to quality organizations
BIRBiological
infrastructure - Other
BIRHuman
resources
BIRInstrumentation
BIRResearch resources
DEBEcological
studies
DEBEnvironmental biology - Other
DEBSystematic
& population biology
IBNDevelopmental mechanisms
IBNIntegrative biology
and neuroscience - Other
IBNNeuroscience
IBNPhysiology
and ethology
MCBBiochemical
and biomolecular processes
MCBBiomolecular structure
& function
MCBCell biology
MCBGenetics
MCBMolecular and cellular biosciences - Other
PGRPlant genome research project
NIH
NSF – BIO
NSF – SBE
2D visualization of funding programs – nearby program support similar topics
Funding Amounts per Topic
We have $ funding per grant
We have distribution of topics for each grant
Solve for the $ amount per topic
What are expensive topics?
Funding % Interpretation3.47 research center2.87 cancer control2.26 mental health services2.01 clinical treatment1.87 cancer 1.73 gene sequencing1.61 risk factors1.56 children/parents1.51 tumors1.48 training program1.47 immunology1.43 disorders1.40 patient treatment
Funding % Interpretation0.60 conference/meetings0.56 theory0.55 public policy0.55 collaborative projects0.55 marine environment0.55 decision making0.55 ecological diversity0.53 sexual behavior0.52 markets0.51 science/technology0.49 computer systems0.45 language0.44 archaelogy
High $$$ topics Low $$$ topics
Overview
I Probabilistic Topic Models
II Computer Science ApplicationsAnalyzing Scientific Topics: PNASAnalyzing NSF and NIH fundingAnalyzing Enron Email
III Theory for semantic cognitionWord AssociationFree Recall
IV Conclusion
Enron topics
2000 2001 2002 2003
PERSON1
PERSON2
TEXANSWIN
FOOTBALLFANTASY
SPORTSLINEPLAYTEAMGAME
SPORTSGAMES
GODLIFEMAN
PEOPLECHRISTFAITHLORDJESUS
SPIRITUALVISIT
ENVIRONMENTALAIR
MTBEEMISSIONS
CLEANEPA
PENDINGSAFETYWATER
GASOLINE
FERCMARKET
ISOCOMMISSION
ORDERFILING
COMMENTSPRICE
CALIFORNIAFILED
POWERCALIFORNIAELECTRICITY
UTILITIESPRICESMARKET
PRICEUTILITY
CUSTOMERSELECTRIC
STATEPLAN
CALIFORNIADAVISRATE
BANKRUPTCYSOCALPOWERBONDSMOU
TIMELINEMay 22, 2000
Start of California
energy crisis
Overview
I Probabilistic Topic Models
II Computer Science ApplicationsAnalyzing Scientific Topics: PNASAnalyzing NSF and NIH fundingAnalyzing Enron Email
III Theory for semantic cognitionWord AssociationFree Recall
IV Conclusion
Semantic Memory
Semantic memory system might arise from the need to
1) predict what concepts are needed in what contexts
2) disambiguate uncertain information
Useful perspective for understanding various language and memory tasks
Modeling Word Association Word association modeled as prediction
Given that a single word is observed, what future other words might occur?
Under a single topic assumption:
z
nn zPzwPwP w||w| 11
Response Cue
Observed associates for the cue “play”
Word P( word ) Word P( word ) Word Cosine FUN .141 BALL .041 KICKBALL .558 GAME 42 BALL .134 GAME .039 VOLLEYBALL .519 BALL 33 GAME .074 CHILDREN .019 GAMES .492 CHILDREN 30 WORK .067 ROLE .014 COSTUMES .478 SCHOOL 27
GROUND .060 GAMES .014 DRAMA .469 ROLE 25 MATE .027 MUSIC .009 ROLE .465 WANT 24 CHILD .020 BASEBALL .009 PLAYWRIGHT .464 GAMES 23 ENJOY .020 HIT .008 FUN .454 MOTHER 23 WIN .020 FUN .008 ACTOR .448 THINGS 21
ACTOR .013 TEAM .008 REHEARSALS .445 MUSIC 21 FIGHT .013 IMPORTANT .006 GAME .445 HELP 20 HORSE .013 BAT .006 ACTORS .439 FUN 19
KID .013 RUN .006 CHECKERS .431 READ 18 MUSIC .013 STAGE .005 MOLIERE .429 DON 18
HUMANS
Model predictions from TASA corpus
Word P( word ) Word P( word ) Word Cosine FUN .141 BALL .041 KICKBALL .558 GAME 42 BALL .134 GAME .039 VOLLEYBALL .519 BALL 33 GAME .074 CHILDREN .019 GAMES .492 CHILDREN 30 WORK .067 ROLE .014 COSTUMES .478 SCHOOL 27
GROUND .060 GAMES .014 DRAMA .469 ROLE 25 MATE .027 MUSIC .009 ROLE .465 WANT 24 CHILD .020 BASEBALL .009 PLAYWRIGHT .464 GAMES 23 ENJOY .020 HIT .008 FUN .454 MOTHER 23 WIN .020 FUN .008 ACTOR .448 THINGS 21
ACTOR .013 TEAM .008 REHEARSALS .445 MUSIC 21 FIGHT .013 IMPORTANT .006 GAME .445 HELP 20 HORSE .013 BAT .006 ACTORS .439 FUN 19
KID .013 RUN .006 CHECKERS .431 READ 18 MUSIC .013 STAGE .005 MOLIERE .429 DON 18
HUMANS TOPICS (T=500)
RANK 9
Median rank of first associate
10
5
10
15
20
25
30
35
40Best LSA cosineBest LSA inner product1700 topics1500 topics1300 topics1100 topics900 topics700 topics500 topics300 topics
Med
ian
R
an
k
Latent Semantic Analysis(Landauer & Dumais, 1997)
word-document counts
high dimensional space
SVD
RIVERSTREAM
MONEY
BANK
Each word is a single point in semantic space Similarity measured by cosine of angle between
word vectors
Median rank of first associate
10
5
10
15
20
25
30
35
40Best LSA cosineBest LSA inner product1700 topics1500 topics1300 topics1100 topics900 topics700 topics500 topics300 topics
Med
ian
R
an
k
Triangle Inequality in Spatial Representations
w1
PLAY SOCCER
THEATER
Cosine similarity: cos(w1,w3) ≥ cos(w1,w2)cos(w2,w3) – sin(w1,w2)sin(w2,w3)
w2 w3
Testing violation of triangle inequality
Look for triplets of associates w1 w2 w3 such that
P( w2 | w1 ) >
P( w3 | w2 ) >
and measure P( w3 | w1 )
Vary threshold
Small-World Structure of Associations(Steyvers & Tenenbaum, 2005)
BASEBALL
BAT
BALL
GAME
PLAY
STAGE THEATER
Properties:1) Short path lengths2) Clustering3) Power law degree distributions
Small world graphs arise elsewhere: internet, social relations, biology
k = #incoming links
100 101 102 10310-5
10-4
10-3
10-2
10-1
100
P(
k )
#Incoming links has power law distribution
=-2.25
Power law degree distribution some words are very often used as an associate
BASEBALL
BAT
BALL
GAME
PLAY
STAGE THEATER
k = #incoming links100 101 102
10-4
10-3
10-2
10-1
100
P(
k )
d=50 d=200d=400
k = #incoming links
101 102
10-4
10-3
10-2
10-1
100
P(
k )
Creating Association Networks
TOPICS MODEL:
• Calculate the conditional probabilities of all word pairs i and j
• Connect i to j when P( w=j | w=i ) > threshold
LSA:
For each word, generate K associates by picking K nearest neighbors in semantic space
=-2.05
Associations in free recall
STUDY THESE WORDS: Bed, Rest, Awake, Tired, Dream, Wake, Snooze, Blanket, Doze, Slumber, Snore, Nap, Peace, Yawn, Drowsy
RECALL WORDS .....
FALSE RECALL: “Sleep” 61%
Recall as a reconstructive process
Reconstruct study list based on the stored “gist”
The gist can be represented by a distribution over topics
Under a single topic assumption:
znn zPzwPwP w||w| 11
Retrieved wordStudy list
0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2
BEDRESTTIRED
AWAKEWAKE
NAPDREAM
YAWNDROWSYBLANKETSNORE
SLUMBERPEACEDOZE
SLEEPNIGHT
ASLEEPMORNINGHOURS
SLEEPYEYESAWAKENED
Predictions for the “Sleep” list
STUDYLIST
EXTRALIST
(top 8)
w|1nwP
Psychology/Comp.Sci Connections
Research on human memory is useful for developing better text mining algorithms
Models for information retrieval might be helpful in understanding human memory
Integrating Topics and Syntax
Syntactic dependencies short range dependencies Semantic dependencies long-range
z z z z
w w w w
s s s s
Semantic state: generate words from topic model
Syntactic states: generate words from HMM
(Griffiths, Steyvers, Blei, & Tenenbaum, 2004)
...
INBY
WITHONAS
FROMTO
FOR
THEA
ANTHIS
THEIRITS
EACHONE
ISAREBE
HASHAVEWAS
WEREAS
BASEDPRESENTEDDISCUSSEDPROPOSEDDESCRIBED
SUCHUSED
DERIVED
THEORYMODEL
PROCESSESMODELSSYSTEM
PROCESSEFFECTS
INFORMATION
ATTENTIONSEARCHVISUAL
PROCESSINGTASK
PERFORMANCEINFORMATIONATTENTIONAL
MEMORYTERMLONG
SHORTRETRIEVALSTORAGE
MEMORIESAMNESIA
IQBEHAVIOR
EVOLUTIONARYENVIRONMENT
GENESHERITABILITY
GENETICSELECTION
DRUGAROUSALNEURALBRAIN
HABITUATIONBIOLOGICALTOLERANCEBEHAVIORAL
SOCIALSELF
ATTITUDEIMPLICIT
ATTITUDESPERSONALITY
JUDGMENTPERCEPTION
(S) THE SEARCH IN LONG TERM MEMORY ……
(S) A MODEL OF VISUAL ATTENTION ……
Random sentence generation
LANGUAGE:[S] RESEARCHERS GIVE THE SPEECH[S] THE SOUND FEEL NO LISTENERS[S] WHICH WAS TO BE MEANING[S] HER VOCABULARIES STOPPED WORDS[S] HE EXPRESSLY WANTED THAT BETTER VOWEL
Topic Hierarchies In regular topic model, no relations between
topics
Alternative: hierarchical topic organization topic 1
topic 2 topic 3
topic 4 topic 5 topic 6 topic 7
Nested Chinese Restaurant Process Blei, Griffiths, Jordan, Tenenbaum (2004) Learn hierarchical structure, as well as topics
within structure
Example: Psych Review Abstracts
RESPONSESTIMULUS
REINFORCEMENTRECOGNITION
STIMULIRECALLCHOICE
CONDITIONING
SPEECHREADINGWORDS
MOVEMENTMOTORVISUALWORD
SEMANTIC
ACTIONSOCIALSELF
EXPERIENCEEMOTION
GOALSEMOTIONALTHINKING
GROUPIQ
INTELLIGENCESOCIAL
RATIONALINDIVIDUAL
GROUPSMEMBERS
SEXEMOTIONS
GENDEREMOTIONSTRESSWOMENHEALTH
HANDEDNESS
REASONINGATTITUDE
CONSISTENCYSITUATIONALINFERENCEJUDGMENT
PROBABILITIESSTATISTICAL
IMAGECOLOR
MONOCULARLIGHTNESS
GIBSONSUBMOVEMENTORIENTATIONHOLOGRAPHIC
CONDITIONINSTRESS
EMOTIONALBEHAVIORAL
FEARSTIMULATIONTOLERANCERESPONSES
AMODEL
MEMORYFOR
MODELSTASK
INFORMATIONRESULTSACCOUNT
SELFSOCIAL
PSYCHOLOGYRESEARCH
RISKSTRATEGIES
INTERPERSONALPERSONALITY
SAMPLING
MOTIONVISUAL
SURFACEBINOCULAR
RIVALRYCONTOUR
DIRECTIONCONTOURSSURFACES
DRUGFOODBRAIN
AROUSALACTIVATIONAFFECTIVEHUNGER
EXTINCTIONPAIN
THEOF
ANDTOINAIS
Generative Process
RESPONSESTIMULUS
REINFORCEMENTRECOGNITION
STIMULIRECALLCHOICE
CONDITIONING
SPEECHREADINGWORDS
MOVEMENTMOTORVISUALWORD
SEMANTIC
ACTIONSOCIALSELF
EXPERIENCEEMOTION
GOALSEMOTIONALTHINKING
GROUPIQ
INTELLIGENCESOCIAL
RATIONALINDIVIDUAL
GROUPSMEMBERS
SEXEMOTIONS
GENDEREMOTIONSTRESSWOMENHEALTH
HANDEDNESS
REASONINGATTITUDE
CONSISTENCYSITUATIONALINFERENCEJUDGMENT
PROBABILITIESSTATISTICAL
IMAGECOLOR
MONOCULARLIGHTNESS
GIBSONSUBMOVEMENTORIENTATIONHOLOGRAPHIC
CONDITIONINSTRESS
EMOTIONALBEHAVIORAL
FEARSTIMULATIONTOLERANCERESPONSES
AMODEL
MEMORYFOR
MODELSTASK
INFORMATIONRESULTSACCOUNT
SELFSOCIAL
PSYCHOLOGYRESEARCH
RISKSTRATEGIES
INTERPERSONALPERSONALITY
SAMPLING
MOTIONVISUAL
SURFACEBINOCULAR
RIVALRYCONTOUR
DIRECTIONCONTOURSSURFACES
DRUGFOODBRAIN
AROUSALACTIVATIONAFFECTIVEHUNGER
EXTINCTIONPAIN
THEOF
ANDTOINAIS