释义 |
- {{MeshNumber|F02|Psychological+Phenomena+and+Processes}} --- psychological phenomena and processes {{MeshNumber|F02.410|Mental+Competency}} --- mental competency {{MeshNumber|F02.418|Mental+Health}} --- mental health {{MeshNumber|F02.463|Mental+Processes}} --- mental processes {{MeshNumber|F02.600|Personal+Autonomy}} --- personal autonomy {{MeshNumber|F02.607|Parapsychology}} --- parapsychology {{MeshNumber|F02.694|Psycholinguistics}} --- psycholinguistics {{MeshNumber|F02.739|Psychological+Theory}} --- psychological theory {{MeshNumber|F02.784|Psychology,+Applied}} --- psychology, applied {{MeshNumber|F02.808|Psychomotor+Performance}} --- psychomotor performance {{MeshNumber|F02.830|Psychophysiology}} --- psychophysiology {{MeshNumber|F02.880|Religion+and+Psychology}} --- religion and psychology
{{other MeSH codes}}The following is a list of the "F" codes for MeSH. It is a product of the United States National Library of Medicine. Source for content is [https://www.nlm.nih.gov/mesh/filelist.html here]. (File "2006 MeSH Trees".) {{MeshNumber|F02|Psychological+Phenomena+and+Processes}} --- psychological phenomena and processes{{MeshNumber|F02.410|Mental+Competency}} --- mental competency{{MeshNumber|F02.418|Mental+Health}} --- mental health{{MeshNumber|F02.463|Mental+Processes}} --- mental processes- {{MeshNumber|F02.463.188|Cognition}} --- cognition
- {{MeshNumber|F02.463.188.150|Awareness}} --- awareness
- {{MeshNumber|F02.463.188.305|Cognitive+Dissonance}} --- cognitive dissonance
- {{MeshNumber|F02.463.188.357|Comprehension}} --- comprehension (understanding)
- {{MeshNumber|F02.463.188.409|Consciousness}} --- consciousness
- {{MeshNumber|F02.463.188.634|Imagination}} --- imagination
- {{MeshNumber|F02.463.188.634.309|Dreams}} --- dreams
- {{MeshNumber|F02.463.188.634.507|Fantasy}} --- fantasy
- {{MeshNumber|F02.463.188.675|Intuition}} --- intuition
- {{MeshNumber|F02.463.306|Intention}} --- intention
- {{MeshNumber|F02.463.425|Learning}} --- learning
- {{MeshNumber|F02.463.425.069|Association}} --- association
- {{MeshNumber|F02.463.425.069.296|Association+Learning}} --- association learning
- {{MeshNumber|F02.463.425.097|Avoidance+Learning}} --- avoidance learning
- {{MeshNumber|F02.463.425.179|Conditioning+(Psychology)}} --- conditioning (psychology)
- {{MeshNumber|F02.463.425.179.149|Automatism}} --- automatic behavior
- {{MeshNumber|F02.463.425.179.308|Conditioning,+Classical}} --- conditioning, classical
- {{MeshNumber|F02.463.425.179.408|Conditioning,+Eyelid}} --- conditioning, eyelid
- {{MeshNumber|F02.463.425.179.509|Conditioning,+Operant}} --- conditioning, operant
- {{MeshNumber|F02.463.425.209|Critical+Period+(Psychology)}} --- critical period (psychology)
- {{MeshNumber|F02.463.425.234|Cues}} --- cues
- {{MeshNumber|F02.463.425.280|Discrimination+Learning}} --- discrimination learning
- {{MeshNumber|F02.463.425.357|Generalization+(Psychology)}} --- generalization (psychology)
- {{MeshNumber|F02.463.425.357.359|Generalization,+Response}} --- generalization, response
- {{MeshNumber|F02.463.425.357.526|Generalization,+Stimulus}} --- generalization, stimulus
- {{MeshNumber|F02.463.425.393|Habituation+(Psychophysiology)}} --- habituation (psychophysiology)
- {{MeshNumber|F02.463.425.420|Helplessness,+Learned}} --- helplessness, learned
- {{MeshNumber|F02.463.425.448|Imprinting+(Psychology)}} --- imprinting (psychology)
- {{MeshNumber|F02.463.425.475|Inhibition+(Psychology)}} --- inhibition (psychology)
- {{MeshNumber|F02.463.425.475.538|Proactive+Inhibition}} --- proactive inhibition
- {{MeshNumber|F02.463.425.475.724|Reactive+Inhibition}} --- reactive inhibition
- {{MeshNumber|F02.463.425.507|Maze+Learning}} --- maze learning
- {{MeshNumber|F02.463.425.540|Memory}} --- memory
- {{MeshNumber|F02.463.425.540.203|Deja+Vu}} --- deja vu
- {{MeshNumber|F02.463.425.540.407|Memory,+Short-Term}} --- memory, short-term
- {{MeshNumber|F02.463.425.540.641|Mental+Recall}} --- mental recall
- {{MeshNumber|F02.463.425.540.706|Recognition+(Psychology)}} --- recognition (psychology)
- {{MeshNumber|F02.463.425.540.772|Retention+(Psychology)}} --- retention (psychology)
- {{MeshNumber|F02.463.425.575|Neurolinguistic+Programming}} --- neurolinguistic programming
- {{MeshNumber|F02.463.425.612|Overlearning}} --- overlearning
- {{MeshNumber|F02.463.425.674|Practice+(Psychology)}} --- practice (psychology)
- {{MeshNumber|F02.463.425.701|Probability+Learning}} --- probability learning
- {{MeshNumber|F02.463.425.720|Problem-Based+Learning}} --- problem-based learning
- {{MeshNumber|F02.463.425.725|Problem+Solving}} --- problem solving
- {{MeshNumber|F02.463.425.770|Reinforcement+(Psychology)}} --- reinforcement (psychology)
- {{MeshNumber|F02.463.425.770.232|Extinction+(Psychology)}} --- extinction (psychology)
- {{MeshNumber|F02.463.425.770.379|Knowledge+of+Results+(Psychology)}} --- knowledge of results (psychology)
- {{MeshNumber|F02.463.425.770.571|Punishment}} --- punishment
- {{MeshNumber|F02.463.425.770.644|Reinforcement+Schedule}} --- reinforcement schedule
- {{MeshNumber|F02.463.425.770.706|Reinforcement,+Social}} --- reinforcement, social
- {{MeshNumber|F02.463.425.770.769|Reinforcement,+Verbal}} --- reinforcement, verbal
- {{MeshNumber|F02.463.425.770.836|Reward}} --- reward
- {{MeshNumber|F02.463.425.770.836.500|Token+Economy}} --- token economy
- {{MeshNumber|F02.463.425.798|Reversal+Learning}} --- reversal learning
- {{MeshNumber|F02.463.425.838|Set+(Psychology)}} --- set (psychology)
- {{MeshNumber|F02.463.425.910|Transfer+(Psychology)}} --- transfer (psychology)
- {{MeshNumber|F02.463.425.952|Verbal+Learning}} --- verbal learning
- {{MeshNumber|F02.463.425.952.500|Paired-Associate+Learning}} --- paired-associate learning
- {{MeshNumber|F02.463.425.952.747|Serial+Learning}} --- serial learning
- {{MeshNumber|F02.463.467|Mental+Fatigue}} --- mental fatigue
- {{MeshNumber|F02.463.509|Mind-Body+Relations+(Metaphysics)}} --- mind-body relations (metaphysics)
- {{MeshNumber|F02.463.593|Perception}} --- perception
- {{MeshNumber|F02.463.593.071|Auditory+Perception}} --- auditory perception
- {{MeshNumber|F02.463.593.071.173|Auditory+Threshold}} --- auditory threshold
- {{MeshNumber|F02.463.593.071.173.095|Auditory+Fatigue}} --- auditory fatigue
- {{MeshNumber|F02.463.593.071.576|Loudness+Perception}} --- loudness perception
- {{MeshNumber|F02.463.593.071.594|Perceptual+Masking}} --- perceptual masking
- {{MeshNumber|F02.463.593.071.700|Pitch+Perception}} --- pitch perception
- {{MeshNumber|F02.463.593.071.700.408|Pitch+Discrimination}} --- pitch discrimination
- {{MeshNumber|F02.463.593.071.869|Sound+Localization}} --- sound localization
- {{MeshNumber|F02.463.593.071.875|Speech+Perception}} --- speech perception
- {{MeshNumber|F02.463.593.112|Body+Image}} --- body image
- {{MeshNumber|F02.463.593.200|Depth+Perception}} --- depth perception
- {{MeshNumber|F02.463.593.200.390|Distance+Perception}} --- distance perception
- {{MeshNumber|F02.463.593.230|Differential+Threshold}} --- differential threshold
- {{MeshNumber|F02.463.593.257|Discrimination+(Psychology)}} --- discrimination (psychology)
- {{MeshNumber|F02.463.593.257.800|Signal+Detection+(Psychology)}} --- signal detection (psychology)
- {{MeshNumber|F02.463.593.292|Eidetic+Imagery}} --- eidetic imagery
- {{MeshNumber|F02.463.593.343|Field+Dependence-Independence}} --- field dependence-independence
- {{MeshNumber|F02.463.593.373|Form+Perception}} --- form perception
- {{MeshNumber|F02.463.593.373.765|Stereognosis}} --- stereognosis
- {{MeshNumber|F02.463.593.409|Gravity+Perception}} --- gravity perception
- {{MeshNumber|F02.463.593.446|Illusions}} --- illusions
- {{MeshNumber|F02.463.593.446.659|Optical+Illusions}} --- optical illusions
- {{MeshNumber|F02.463.593.524|Pattern+Recognition,+Physiological}} --- pattern recognition, physiological
- {{MeshNumber|F02.463.593.524.500|Pattern+Recognition,+Visual}} --- pattern recognition, visual
- {{MeshNumber|F02.463.593.603|Perceptual+Distortion}} --- perceptual distortion
- {{MeshNumber|F02.463.593.696|Sensory+Deprivation}} --- sensory deprivation
- {{MeshNumber|F02.463.593.710|Sensory+Thresholds}} --- sensory thresholds
- {{MeshNumber|F02.463.593.710.190|Auditory+Threshold}} --- auditory threshold
- {{MeshNumber|F02.463.593.710.370|Differential+Threshold}} --- differential threshold
- {{MeshNumber|F02.463.593.710.560|Pain+Threshold}} --- pain threshold
- {{MeshNumber|F02.463.593.710.725|Signal+Detection+(Psychology)}} --- signal detection (psychology)
- {{MeshNumber|F02.463.593.710.750|Subliminal+Stimulation}} --- subliminal stimulation
- {{MeshNumber|F02.463.593.710.790|Taste+Threshold}} --- taste threshold
- {{MeshNumber|F02.463.593.725|Size+Perception}} --- size perception
- {{MeshNumber|F02.463.593.752|Social+Perception}} --- social perception
- {{MeshNumber|F02.463.593.778|Space+Perception}} --- space perception
- {{MeshNumber|F02.463.593.857|Time+Perception}} --- time perception
- {{MeshNumber|F02.463.593.885|Touch}} --- touch
- {{MeshNumber|F02.463.593.885.682|Stereognosis}} --- stereognosis
- {{MeshNumber|F02.463.593.932|Visual+Perception}} --- visual perception
- {{MeshNumber|F02.463.593.932.073|Afterimage}} --- afterimage
- {{MeshNumber|F02.463.593.932.217|Color+Perception}} --- color perception
- {{MeshNumber|F02.463.593.932.345|Field+Dependence-Independence}} --- field dependence-independence
- {{MeshNumber|F02.463.593.932.401|Figural+Aftereffect}} --- figural aftereffect
- {{MeshNumber|F02.463.593.932.458|Flicker+Fusion}} --- flicker fusion
- {{MeshNumber|F02.463.593.932.567|Motion+Perception}} --- motion perception
- {{MeshNumber|F02.463.593.932.622|Pattern+Recognition,+Visual}} --- pattern recognition, visual
- {{MeshNumber|F02.463.593.932.677|Perceptual+Closure}} --- perceptual closure
- {{MeshNumber|F02.463.593.932.733|Perceptual+Masking}} --- perceptual masking
- {{MeshNumber|F02.463.593.932.869|Space+Perception}} --- space perception
- {{MeshNumber|F02.463.593.932.869.255|Depth+Perception}} --- depth perception
- {{MeshNumber|F02.463.593.932.869.255.390|Distance+Perception}} --- distance perception
- {{MeshNumber|F02.463.593.932.869.255.780|Vision+Disparity}} --- vision disparity
- {{MeshNumber|F02.463.593.932.869.435|Form+Perception}} --- form perception
- {{MeshNumber|F02.463.593.932.869.435.110|Contrast+Sensitivity}} --- contrast sensitivity
- {{MeshNumber|F02.463.593.932.869.435.673|Pattern+Recognition,+Visual}} --- pattern recognition, visual
- {{MeshNumber|F02.463.593.932.869.794|Size+Perception}} --- size perception
- {{MeshNumber|F02.463.593.959|Weight+Perception}} --- weight perception
- {{MeshNumber|F02.463.785|Thinking}} --- thinking
- {{MeshNumber|F02.463.785.233|Concept+Formation}} --- concept formation
- {{MeshNumber|F02.463.785.302|Creativeness}} --- creativeness
- {{MeshNumber|F02.463.785.373|Decision+Making}} --- decision making
- {{MeshNumber|F02.463.785.373.346|Choice+Behavior}} --- choice behavior
- {{MeshNumber|F02.463.785.373.346.400|Career+Choice}} --- career choice
- {{MeshNumber|F02.463.785.373.433|Consensus}} --- consensus
- {{MeshNumber|F02.463.785.373.476|Dissent+and+Disputes}} --- dissent and disputes
- {{MeshNumber|F02.463.785.373.476.850|Refusal+to+Participate}} --- refusal to participate
- {{MeshNumber|F02.463.785.373.520|Negotiating}} --- negotiating
- {{MeshNumber|F02.463.785.373.820|Uncertainty}} --- uncertainty
- {{MeshNumber|F02.463.785.477|Esthetics}} --- esthetics
- {{MeshNumber|F02.463.785.477.304|Beauty}} --- beauty
- {{MeshNumber|F02.463.785.626|Judgment}} --- judgment
- {{MeshNumber|F02.463.785.810|Problem+Solving}} --- problem solving
- {{MeshNumber|F02.463.902|Volition}} --- volition
{{MeshNumber|F02.600|Personal+Autonomy}} --- personal autonomy{{MeshNumber|F02.607|Parapsychology}} --- parapsychology- {{MeshNumber|F02.607.847|Telepathy}} --- telepathy
{{MeshNumber|F02.694|Psycholinguistics}} --- psycholinguistics- {{MeshNumber|F02.694.550|Neurolinguistic+Programming}} --- neurolinguistic programming
- {{MeshNumber|F02.694.663|Semantic+Differential}} --- semantic differential
{{MeshNumber|F02.739|Psychological+Theory}} --- psychological theory- {{MeshNumber|F02.739.138|Behaviorism}} --- behaviorism
- {{MeshNumber|F02.739.418|Existentialism}} --- existentialism
- {{MeshNumber|F02.739.527|Gestalt+Theory}} --- gestalt theory
- {{MeshNumber|F02.739.660|Personal+Construct+Theory}} --- personal construct theory
- {{MeshNumber|F02.739.794|Psychoanalytic+Theory}} --- psychoanalytic theory
- {{MeshNumber|F02.739.794.206|Ego}} --- ego
- {{MeshNumber|F02.739.794.206.508|Reality+Testing}} --- reality testing
- {{MeshNumber|F02.739.794.253|Extraversion+(Psychology)}} --- extraversion (psychology)
- {{MeshNumber|F02.739.794.297|Freudian+Theory}} --- freudian theory
- {{MeshNumber|F02.739.794.371|Id}} --- id
- {{MeshNumber|F02.739.794.405|Inhibition+(Psychology)}} --- inhibition (psychology)
- {{MeshNumber|F02.739.794.438|Introversion+(Psychology)}} --- introversion (psychology)
- {{MeshNumber|F02.739.794.471|Jungian+Theory}} --- jungian theory
- {{MeshNumber|F02.739.794.511|Libido}} --- libido
- {{MeshNumber|F02.739.794.582|Narcissism}} --- narcissism
- {{MeshNumber|F02.739.794.624|Object+Attachment}} --- object attachment
- {{MeshNumber|F02.739.794.624.120|Bonding,+Human-Pet}} --- bonding, human-pet
- {{MeshNumber|F02.739.794.653|Oedipus+Complex}} --- oedipus complex
- {{MeshNumber|F02.739.794.746|Pleasure-Pain+Principle}} --- pleasure-pain principle
- {{MeshNumber|F02.739.794.793|Psychosexual+Development}} --- psychosexual development
- {{MeshNumber|F02.739.794.793.200|Gender+Identity}} --- gender identity
- {{MeshNumber|F02.739.794.793.458|Latency+Period+(Psychology)}} --- latency period (psychology)
- {{MeshNumber|F02.739.794.793.626|Oral+Stage}} --- oral stage
- {{MeshNumber|F02.739.794.837|Self+Psychology}} --- self psychology
- {{MeshNumber|F02.739.794.881|Superego}} --- superego
- {{MeshNumber|F02.739.794.942|Unconscious+(Psychology)}} --- unconscious (psychology)
{{MeshNumber|F02.784|Psychology,+Applied}} --- psychology, applied- {{MeshNumber|F02.784.176|Counseling}} --- counseling
- {{MeshNumber|F02.784.176.279|Directive+Counseling}} --- directive counseling
- {{MeshNumber|F02.784.176.560|Pastoral+Care}} --- pastoral care
- {{MeshNumber|F02.784.176.700|Sex+Counseling}} --- sex counseling
- {{MeshNumber|F02.784.240|Criminal+Psychology}} --- criminal psychology
- {{MeshNumber|F02.784.240.514|Lie+Detection}} --- lie detection
- {{MeshNumber|F02.784.412|Human+Engineering}} --- human engineering
- {{MeshNumber|F02.784.412.221|Data+Display}} --- data display
- {{MeshNumber|F02.784.412.575|Man-Machine+Systems}} --- man-machine systems
- {{MeshNumber|F02.784.412.846|Task+Performance+and+Analysis}} --- task performance and analysis
- {{MeshNumber|F02.784.412.846.707|Time+and+Motion+Studies}} --- time and motion studies
- {{MeshNumber|F02.784.412.846.853|Work+Simplification}} --- work simplification
- {{MeshNumber|F02.784.412.923|Time+Management}} --- time management
- {{MeshNumber|F02.784.629|Psychology,+Educational}} --- psychology, educational
- {{MeshNumber|F02.784.629.054|Achievement}} --- achievement
- {{MeshNumber|F02.784.629.131|Aptitude}} --- aptitude
- {{MeshNumber|F02.784.629.155|Aspirations+(Psychology)}} --- aspirations (psychology)
- {{MeshNumber|F02.784.629.228|Child,+Exceptional}} --- child, exceptional
- {{MeshNumber|F02.784.629.228.350|Child,+Gifted}} --- child, gifted
- {{MeshNumber|F02.784.629.272|Child+Guidance}} --- child guidance
- {{MeshNumber|F02.784.629.375|Education+of+Mentally+Retarded}} --- education of mentally retarded
- {{MeshNumber|F02.784.629.529|Learning}} --- learning
- {{MeshNumber|F02.784.629.529.550|Neurolinguistic+Programming}} --- neurolinguistic programming
- {{MeshNumber|F02.784.629.709|Remedial+Teaching}} --- remedial teaching
- {{MeshNumber|F02.784.629.796|Student+Dropouts}} --- student dropouts
- {{MeshNumber|F02.784.629.880|Underachievement}} --- underachievement
- {{MeshNumber|F02.784.629.937|Vocational+Guidance}} --- vocational guidance
- {{MeshNumber|F02.784.692|Psychology,+Industrial}} --- psychology, industrial
- {{MeshNumber|F02.784.692.107|Absenteeism}} --- absenteeism
- {{MeshNumber|F02.784.692.351|Efficiency}} --- efficiency
- {{MeshNumber|F02.784.692.425|Job+Satisfaction}} --- job satisfaction
- {{MeshNumber|F02.784.692.746|Task+Performance+and+Analysis}} --- task performance and analysis
- {{MeshNumber|F02.784.692.746.707|Time+and+Motion+Studies}} --- time and motion studies
- {{MeshNumber|F02.784.692.746.853|Work+Simplification}} --- work simplification
- {{MeshNumber|F02.784.692.816|Time+Management}} --- time management
- {{MeshNumber|F02.784.692.887|Vocational+Guidance}} --- vocational guidance
- {{MeshNumber|F02.784.754|Psychology,+Military}} --- psychology, military
{{MeshNumber|F02.808|Psychomotor+Performance}} --- psychomotor performance- {{MeshNumber|F02.808.260|Motor+Skills}} --- motor skills
- {{MeshNumber|F02.808.600|Task+Performance+and+Analysis}} --- task performance and analysis
{{MeshNumber|F02.830|Psychophysiology}} --- psychophysiology- {{MeshNumber|F02.830.071|Appetite}} --- appetite
- {{MeshNumber|F02.830.104|Arousal}} --- arousal
- {{MeshNumber|F02.830.104.214|Attention}} --- attention
- {{MeshNumber|F02.830.104.821|Wakefulness}} --- wakefulness
- {{MeshNumber|F02.830.120|Biofeedback+(Psychology)}} --- biofeedback (psychology)
- {{MeshNumber|F02.830.158|Blushing}} --- blushing
- {{MeshNumber|F02.830.233|Consciousness}} --- consciousness
- {{MeshNumber|F02.830.297|Dominance,+Cerebral}} --- dominance, cerebral
- {{MeshNumber|F02.830.297.425|Laterality}} --- laterality
- {{MeshNumber|F02.830.422|Habituation+(Psychophysiology)}} --- habituation (psychophysiology)
- {{MeshNumber|F02.830.512|Lie+Detection}} --- lie detection
- {{MeshNumber|F02.830.606|Orientation}} --- orientation
- {{MeshNumber|F02.830.606.587|Kinesis}} --- kinesis
- {{MeshNumber|F02.830.650|Reaction+Time}} --- reaction time
- {{MeshNumber|F02.830.650.400|Refractory+Period,+Psychological}} --- refractory period, psychological
- {{MeshNumber|F02.830.702|Reflex}} --- reflex
- {{MeshNumber|F02.830.702.315|Galvanic+Skin+Response}} --- galvanic skin response
- {{MeshNumber|F02.830.702.607|Piloerection}} --- piloerection
- {{MeshNumber|F02.830.702.807|Startle+Reaction}} --- startle reaction
- {{MeshNumber|F02.830.749|Satiation}} --- satiation
- {{MeshNumber|F02.830.749.658|Satiety+Response}} --- satiety response
- {{MeshNumber|F02.830.784|Self+Stimulation}} --- self stimulation
- {{MeshNumber|F02.830.816|Sensation}} --- sensation
- {{MeshNumber|F02.830.816.263|Hearing}} --- hearing
- {{MeshNumber|F02.830.816.444|Pain}} --- pain
- {{MeshNumber|F02.830.816.444.350|Arthralgia}} --- arthralgia
- {{MeshNumber|F02.830.816.444.700|Pain+Threshold}} --- pain threshold
- {{MeshNumber|F02.830.816.541|Proprioception}} --- proprioception
- {{MeshNumber|F02.830.816.541.504|Kinesthesis}} --- kinesthesis
- {{MeshNumber|F02.830.816.643|Smell}} --- smell
- {{MeshNumber|F02.830.816.724|Taste}} --- taste
- {{MeshNumber|F02.830.816.781|Temperature+Sense}} --- temperature sense
- {{MeshNumber|F02.830.816.850|Touch}} --- touch
- {{MeshNumber|F02.830.816.929|Vision}} --- vision
- {{MeshNumber|F02.830.816.929.300|Phosphenes}} --- phosphenes
- {{MeshNumber|F02.830.816.929.800|Vision,+Entoptic}} --- vision, entoptic
- {{MeshNumber|F02.830.855|Sleep}} --- sleep
- {{MeshNumber|F02.830.855.268|Dreams}} --- dreams
- {{MeshNumber|F02.830.855.671|Sleep+Deprivation}} --- sleep deprivation
- {{MeshNumber|F02.830.855.796|Sleep+Stages}} --- sleep stages
- {{MeshNumber|F02.830.855.796.671|Sleep,+REM}} --- sleep, rem
- {{MeshNumber|F02.830.900|Stress,+Psychological}} --- stress, psychological
- {{MeshNumber|F02.830.900.110|Burnout,+Professional}} --- burnout, professional
{{MeshNumber|F02.880|Religion+and+Psychology}} --- religion and psychology- {{MeshNumber|F02.880.410|Pastoral+Care}} --- pastoral care
- {{MeshNumber|F02.880.705|Spirituality}} --- spirituality
1 : Medical Subject Headings |