| 11 | Metaphysics |
| 111 | General metaphysics. Ontology |
| 111.1 | Concept of being, of primary substance (tode ti). Ontology |
| 111.11 | Existence, thereness. Difference in essence |
| 111.12 | Essential being. Essence. Quiddity |
| 111.125 | Possibility Inner possibility. Divine essence and possibility |
| 111.3 | Substance (ousia). Monad |
| 111.31 | Difference between substance and accidence. Appearance |
| 111.32 | Primary substance, individual substance (protè ousia). Subsistence (substant being). Hypostasis. Person |
| 111.33 | Secondary substance, abstract essence (deutera ousia) |
| 111.4 | Accidence. Qualities |
| 111.5 | Relations. Relativistic theories |
| 111.6 | Acts. Activities |
| 111.61 | Being in potentiality. Being in act |
| 111.62 | Motion. Change. Development |
| 111.7 | Created and uncreated being. Immateriality. Pure mind and spirit |
| 111.8 | Transcendental properties of being |
| 111.81 | Distinction between being and its transcendental properties |
| 111.82 | Unity. Non-being, nonexistence. Plurality. Unity and indivisibility of being |
| 111.821 | Real and logical differentiation Singularity. Identity. Unity of composition, simplicity. Metaphysical composition. Plurality, unlimited number, possibility of an infinite multitude |
| 111.83 | Truth. Falsity |
| 111.84 | Goodness. Benignity. Evil |
| 111.85 | Beauty. Ugliness |
| 111.852 | Aesthetics (objective and subjective) |
| 113/119 | Cosmology. Philosophy of nature ⇨ 524.8 The Universe. Metagalaxy. Cosmology ⇨ 53.01/.09 Special auxiliary subdivision for physics |
| 113 | General laws of nature Transformation and transience of matter |
| 113.2 | Origin of the universe. Creation. Cosmogony Scope Note: Class here also theories such as creationism, intelligent design ⇨ 2-143 Activities of God(s). Works of God(s) ⇨ 2-145.2 Creator god. Demi-urge. Designer God. Deism ⇨ 2-172.2 Origins. Cosmogony. Creation of the world ⇨ 2-175 Eschatology. End of the world. Last things ⇨ 27-143 Works of God in Christianity |
| 114 | Space. Place, internal and external. Dimension. Empty, void; full, plenum. Infinite space. Singularity and plurality. Extension |
| 115 | Time. Duration. Component of temporal duration. Eternity. World created ab aeterno. Relation of time to motion |
| 115.4 | The space-time continuum. Unity of space and time ⇨ (15) The universe, celestial or cosmic space generally. In space. Cosmic. Extraterrestrial localities ⇨ 531.111.4 Continuum of space and time |
| 116 | Motion. Development. Mobility. Transient and immanent effect. Remote action. Becoming, change, transition |
| 117 | Matter. Transmutation of matter. Primary matter (first principle). Substantial form. Material cause. Formal cause |
| 118 | Force. Energy. Determination of accidences of inorganic substances ⇨ 531.6 Mechanical energy. Conservation of mechanical energy ⇨ 536.7 Thermodynamics. Energetics |
| 119 | Quantity. Number. Constant quantity of coexistence and succession. Distinction from substance 121 Philosophical anthropology. Philosophy of humankind. Phenomenology of human person ⇨ 2-18 Man. Mankind. Humanity. Doctrinal anthropology ⇨ 39 Cultural anthropology. Ethnography. Customs. Manners. Traditions. Way of life |
| 11 | Metaphysics |
| 111 | General metaphysics. Ontology |
| 111.1 | Concept of being, of primary substance (tode ti). Ontology |
| 111.11 | Existence, thereness. Difference in essence |
| 111.12 | Essential being. Essence. Quiddity |
| 111.125 | Possibility Inner possibility. Divine essence and possibility |
| 111.3 | Substance (ousia). Monad |
| 111.31 | Difference between substance and accidence. Appearance |
| 111.32 | Primary substance, individual substance (protè ousia). Subsistence (substant being). Hypostasis. Person |
| 111.33 | Secondary substance, abstract essence (deutera ousia) |
| 111.4 | Accidence. Qualities |
| 111.5 | Relations. Relativistic theories |
| 111.6 | Acts. Activities |
| 111.61 | Being in potentiality. Being in act |
| 111.62 | Motion. Change. Development |
| 111.7 | Created and uncreated being. Immateriality. Pure mind and spirit |
| 111.8 | Transcendental properties of being |
| 111.81 | Distinction between being and its transcendental properties |
| 111.82 | Unity. Non-being, nonexistence. Plurality. Unity and indivisibility of being |
| 111.821 | Real and logical differentiation Singularity. Identity. Unity of composition, simplicity. Metaphysical composition. Plurality, unlimited number, possibility of an infinite multitude |
| 111.83 | Truth. Falsity |
| 111.84 | Goodness. Benignity. Evil |
| 111.85 | Beauty. Ugliness |
| 111.852 | Aesthetics (objective and subjective) |
| 113/119 | Cosmology. Philosophy of nature ⇨ 524.8 The Universe. Metagalaxy. Cosmology ⇨ 53.01/.09 Special auxiliary subdivision for physics |
| 113 | General laws of nature Transformation and transience of matter |
| 113.2 | Origin of the universe. Creation. Cosmogony Scope Note: Class here also theories such as creationism, intelligent design ⇨ 2-143 Activities of God(s). Works of God(s) ⇨ 2-145.2 Creator god. Demi-urge. Designer God. Deism ⇨ 2-172.2 Origins. Cosmogony. Creation of the world ⇨ 2-175 Eschatology. End of the world. Last things ⇨ 27-143 Works of God in Christianity |
| 114 | Space. Place, internal and external. Dimension. Empty, void; full, plenum. Infinite space. Singularity and plurality. Extension |
| 115 | Time. Duration. Component of temporal duration. Eternity. World created ab aeterno. Relation of time to motion |
| 115.4 | The space-time continuum. Unity of space and time ⇨ (15) The universe, celestial or cosmic space generally. In space. Cosmic. Extraterrestrial localities ⇨ 531.111.4 Continuum of space and time |
| 116 | Motion. Development. Mobility. Transient and immanent effect. Remote action. Becoming, change, transition |
| 117 | Matter. Transmutation of matter. Primary matter (first principle). Substantial form. Material cause. Formal cause |
| 118 | Force. Energy. Determination of accidences of inorganic substances ⇨ 531.6 Mechanical energy. Conservation of mechanical energy ⇨ 536.7 Thermodynamics. Energetics |
| 119 | Quantity. Number. Constant quantity of coexistence and succession. Distinction from substance 121 Philosophical anthropology. Philosophy of humankind. Phenomenology of human person ⇨ 2-18 Man. Mankind. Humanity. Doctrinal anthropology ⇨ 39 Cultural anthropology. Ethnography. Customs. Manners. Traditions. Way of life |
| 121 | Philosophical anthropology. Philosophy of humankind. Phenomenology of human person ⇨ 2-18 Man. Mankind. Humanity. Doctrinal anthropology ⇨ 39 Cultural anthropology. Ethnography. Customs. Manners. Traditions. Way of life |
| 122/129 | Special metaphysics |
| 122 | Causality. Causation. Principles. Causa efficiens. Condition. Effect. Occasion |
| 123 | Freedom and necessity ⇨ 2-145.3 Preserver god. Theism. Providence. Safekeeping and governance of the world ⇨ 27-423.4 Free will. Freedom to act |
| 123.1 | Freedom. Indeterminism |
| 123.11 | Chance |
| 123.2 | Necessity |
| 123.21 | Fatalism |
| 124 | Teleology ⇨ 2-1 Theory and philosophy of religion. Nature of religion. Phenomenon of religion |
| 124.1 | Order. Chaos |
| 124.2 | Meaning. Meaningfulness |
| 124.3 | Purpose. Purposefulness Expediency. Nonexpediency. Dysteleology. Final cause. Entelechy |
| 124.4 | Causa exemplaris. Creative idea. Type. Ideal |
| 124.5 | Value. Norm |
| 124.6 | Determination. Destiny |
| 125 | Finiteness, finity. Infiniteness, infinity. The infinite and boundless. Universe ⇨ 2-1 Theory and philosophy of religion. Nature of religion. Phenomenon of religion |
| 128 | The soul. Nature of life and death |
| 129 | Origin and destiny of the individual soul Transmigration of souls. Metempsychosis. Incarnation. Reincarnation. Immortality |
| 13 | Philosophy of mind and spirit. Metaphysics of spiritual life |
| 130.1 | General concepts and laws |
| 130.11 | Nature of mind and spirit |
| 130.12 | Coherence, continuity and laws of spiritual life |
| 130.121 | Phenomenology and morphology of mind and spirit |
| 130.122 | Experience and understanding of the spiritual |
| 130.123 | Laws of spiritual life |
| 130.123.1 | Intensification of contradictions. Laws of intensification by contrast. Dialectics, real dialectics |
| 130.123.2 | Heterogeneity of goals. Goal displacement |
130.123.3 | Creative synthesis |
| 130.123.4 | Growth of spiritual values |
| 130.2 | Philosophy of culture. Cultural systems. Theory of cultural complexes |
| 130.3 | Metaphysics of spiritual life |
| 130.31 | The individual mind or spirit |
| 130.32 | The objective spirit (Hegel, Simmel, Sombart) |
| 130.33 | The collective spirit. The cosmic spirit. Der Weltgeist (spirit of the universe) |
| 133 | The paranormal. The occult. Psi phenomena ⇨ 001.94 Reported phenomena not yet fully explained ⇨ 398.4 The supernatural |
| 133.1 | Concept and nature of the occult |
| 133.2 | Supersensory, supernatural experience. Initiation. Spiritual training. Path of knowledge ⇨ 2-136 Manifestation of the supernatural ⇨ 2-312.6 Initiation. Conversion. Enlightenment ⇨ 2-558.2 Initiation ⇨ 398.4 The supernatural |
| 133.3 | Occult perception. Precognition Clairvoyance. Clairaudience. Soothsaying ⇨ 159.961.6 Telepathy (mindreading), clairvoyance, clairaudience as psychic phenomena ⇨ 2-544.8 Knowledge of events. Divination. Augury. Soothsaying. Oracles |
| 133.4 | Occult influence Magic. Sorcery. Enchantment. Spells. Thaumaturgy. Theurgy ⇨ 2-545 Control of events. Magic ⇨ 398.47 Witches. Witchcraft. Sorcery |
| 133.5 | Special occult sciences ◇ 133.5:54 Alchemy |
| 133.52 | Astrology ⇨ 52 Astronomy. Astrophysics. Space research. Geodesy |
| 133.521 | Theoretical astrology Critique. Methods. Schools |
| 133.522 | Elements of astrology |
| 133.522.1 | Principles and survey of astrological tradition. Abbreviations. Symbols. Signs |
| 133.522.2 | The zodiac |
| 133.522.3 | The planets |
| 133.522.4 | Fixed stars. Other astral factors |
| 133.522.5 | Sublunary factors in general Geocentrism. Heliocentrism |
| 133.522.6 | Houses of the firmament and their meaning |
| 133.522.7 | The aspects |
| 133.522.8 | Sensitive points. Other equidistances |
| 133.522.9 | Other representations. Position and domination |
| 133.526 | Astrological technique. Horoscopes |
| 133.527 | General system of interpretation. Individual astrology. Microcosm Ptolemy’s genethliacon. Individual readings, predictions |
| 133.528 | Interpretation in universal astrology. Macrocosm Ptolemy’s catholicon. Investigation, prediction of world events |
| 133.529 | Technique and interpretation of prognostic astrology. Forecasts. Predictions Horoscopes for major events of individual life (marriage, career, etc.) |
| 133.6 | Chiromancy. Palmistry. Chirology ⇨ 159.925.7 Chirognomy |
| 133.9 | Spiritualism (spiritism) Manifestations. Telekinesis. Ectoplasm |
| 14 | Philosophical systems and points of view |
| 140 | Possible philosophical attitudes. System typology |
| 140.8 | Weltanschauung. Philosophical outlook, view of the world |
| 141 | Kinds of viewpoint |
141.1 | Viewpoints according to number and quality of principles |
| 141.111 | Monism |
| 141.112 | Dualism Causalism. Occasionalism |
| 141.113 | Pluralism Triadic systems. Polyrealism |
| 141.12 | Ontological materialism |
| 141.13 | Metaphysical idealism |
| 141.131 | Platonism. Neoplatonism |
| 141.132 | Rationalism. Intellectualism. Universalism ⇨ 165.63 Rationalism. Intellectualism |
| 141.133 | Panlogism. Absolutism |
| 141.134 | Objective idealism (Bergmann) |
| 141.135 | Spiritualism (philosophical) |
| 141.136 | Immaterialism (Berkeley) |
| 141.141 | Animism. Hylozoism. Panpsychism |
| 141.142 | Voluntarism |
| 141.143 | Alogism (Schopenhauer, Ed. v. Hartmann, Bahnsen) |
| 141.144 | Monadism. Monadology. Personalism |
| 141.145 | Organicism |
| 141.151 | Conditionalism (Verworn) |
| 141.152 | Mechanicalism (Mechanicism) |
| 141.153 | Dynamism |
| 141.154 | Energism (Ostwald, Ranzoli) |
| 141.155 | Evolutionism |
| 141.156 | Mobilism (Chide) |
| 141.157 | Finalism (teleological viewpoint) |
| 141.2 | According to judgement of the value of the world |
| 141.201 | Problem of any value judgement of the world |
| 141.201.1 | Problem of the scale of values. Objective and subjective scale |
| 141.201.2 | Basis of evaluation: by principle, theoretical, factual-empirical |
| 141.21 | Optimism |
| 141.22 | Pessimism |
| 141.23 | Meliorism |
| 141.24 | Indifference |
| 141.3 | Special and mixed forms |
| 141.30 | Thomism |
| 141.31 | Scholasticism |
| 141.311 | Terminism Nominalism. Conceptualism |
| 141.312 | Conceptual realism |
| 141.319 | Neoscholasticism |
| 141.32 | Existentialism |
| 141.33 | Philosophical mysticism ⇨ 27-587 Mysticism. Altered states of consciousness. Divine ecstasies |
| 141.331 | Earlier esoteric schools |
141.331.5 | Kabbalah (Cabbala, Cabbalah, Kabbala, Kabbala, Kabala, Qabbalah). Jewish mysticism ⇨ 26-587 Kabbalah (Cabbalah, Qabbalah). Mysticism |
| 141.332 | Theosophy |
| 141.333 | Anthroposophy |
| 141.336 | Sufism |
| 141.338 | Eclecticism. Syncretism |
| 141.339 | Various esoteric schools Application Note: Details by alphabetical extension (Table 1h) |
| 141.4 | According to attitude to problem of the Deity ⇨ 2-14 God. Gods (Personalised god(s) as distinct from immanent spirits) ⇨ 2-145.2 Creator god. Demi-urge. Designer God. Deism ⇨ 2-145.3 Preserver god. Theism. Providence. Safekeeping and governance of the world |
| 141.41 | Theism |
| 141.411 | Polytheism. Henotheism |
| 141.412 | Monotheism |
| 141.42 | Deism |
| 141.43 | Pantheism. Acosmism |
| 141.44 | Panentheism |
| 141.45 | Atheism |
| 141.5 | According to attitude to problem of soul and free will ⇨ 159.947.2 Freedom of will ⇨ 17.021.2 Persons. Individuals. Character ⇨ 27-187.3 Immortality of the soul ⇨ 27-423.4 Free will. Freedom to act |
| 141.7 | According to attitude to human society ⇨ 172 Social ethics. Duties to one’s fellow humans ⇨ 316.2 Sociological points of view and trends |
| 141.72 | Feminism |
| 141.74 | Racism |
| 141.76 | Nudism. Naturism |
| 141.78 | Postmodernism ⇨ 7.038.6 Postmodernism |
| 141.8 | Socialist schools and systems ⇨ 329.14 Socialist attitude. Social-democratic attitude ⇨ 330.86 Social-democratic and non-Marxist socialist economic theories |
| 141.81 | Pre-Marxian socialist schools. Utopian socialism ⇨ 330.84 Pre-Marxian socialist schools. Utopian socialism. Fourierism |
| 141.811 | Socialist doctrines up to the end of the 18th century |
| 141.812 | Saint-Simonism |
| 141.813 | Fourierism |
| 141.814 | Pre-Marxian English socialist doctrines Owenism. Chartism |
| 141.82 | Scientific socialism, communism, Marxism. Marxism-Leninism ⇨ 330.85 Marxist-Leninist economic doctrine |
159.9 | Psychology Application Note: Details by common auxiliaries of persons (Table 1k, -05) ⇨ 316.6 Social psychology ⇨ 591.51 Psychology of animals. Animal intelligence. Instinct ⇨ 612.821 Physiological psychology ⇨ 616.89 Psychiatry. Pathological psychiatry. Psychopathology. Phrenopathies. Psychoses. Mental abnormality. Morbid mental states. Behavioural and emotional disturbances |
| 159.9.01 | Theories. Laws. Metaphysical psychology. Rational psychology |
| 159.9.015 | Theories based on the exact sciences |
| 159.9.015.4 | Chemical theories |
| 159.9.015.7 | Biological theories |
| 159.9.016 | Other theories |
| 159.9.016.1 | Body and soul. Body and mind |
| 159.9.016.12 | Dualistic theories Interactionism. Influxionism. Parallelism |
| 159.9.016.13 | Monistic theories |
| 159.9.016.132 | Materialistic, mechanistic theories. Psychological materialism Automatism ⇨ 141.12 Ontological materialism |
| 159.9.016.133 | Spiritualistic theories Idealism. Animism |
| 159.9.016.2 | Intellectualistic theories |
159.9.016.3 | Psychomechanistic theories |
159.9.016.4 | Psychophysical theories |
| 159.9.016.5 | Functional theories. Functionalism |
| 159.9.016.6 | Physiological theories ⇨ 612.01 General physiological problems ⇨ 612.8 Nervous system. Sensory organs |
| 159.9.018 | Psychological methods in general ⇨ 159.9.072.5 Methods of experimental psychology |
| 159.9.018.2 | Subjective Introspection |
| 159.9.018.3 | Objective |
| 159.9.018.4 | Analytical |
| 159.9.018.5 | Synthetic |
| 159.9.018.6 | Descriptive |
| 159.9.018.7 | Explanatory |
| 159.9.019 | Psychological systems and schools ⇨ 159.964.2 Psychoanalysis |
| 159.9.019.2 | Structural psychology Gestalt psychology |
| 159.9.019.3 | Functional psychology Dynamic psychology. Purposive psychology (hedonic, hormic) |
| 159.9.019.4 | Reaction psychology Psychology of behaviour. Behaviourism. Reflex psychology |
| 159.9.07 | Experimental psychology. Psychological research |
| 159.9.072 | Psychological experiment, investigation, tests, measurements |
159.9.072.2 | Psychological studies in laboratories |
| 159.9.072.3 | Psychological studies outside laboratories |
| 159.9.072.4 | Individual and group investigations |
| 159.9.072.42 | Individual investigation |
| 159.9.072.43 | Group investigation |
159.9.072.5 | Methods of experimental psychology |
| 159.9.072.52 | Subjective methods Self-observation |
| 159.9.072.53 | Objective methods |
| 159.9.072.532 | Stimulation or impression methods |
| 159.9.072.533 | Reaction methods Interrogation. Association |
| 159.9.072.59 | Various psychometric methods |
| 159.9.072.592 | Gradation methods |
| 159.9.072.593 | Error methods. Methods of right and wrong cases |
| 159.9.072.594 | Equivalence method |
| 159.9.072.7 | Observation |
| 159.9.072.8 | Recording. Protocol |
| 159.9.075 | Processing and interpretation of results. Correlations ⇨ 519.2 Probability. Mathematical statistics |
| 159.9.078 | Apparatus |
| 159.91 | Psychophysiology (physiological psychology). Mental physiology ⇨ 612.8 Nervous system. Sensory organs ⇨ 613.8 Health and hygiene of the nervous system. Health and ethics |
| 159.913 | Mental hygiene |
| 159.92 | Mental development and capacity. Comparative psychology ⇨ 591.51 Psychology of animals. Animal intelligence. Instinct |
| 159.922 | Characteristics of mental life. Consciousness. Mental development in humans. Differential psychology. Genetic psychology. Developmental psychology ⇨ 37.015.3 Educational psychology. Educability |
| 159.922.1 | Sex psychology |
| 159.922.2 | Influences of natural and social environment |
| 159.922.23 | Sensory influences |
| 159.922.24 | Topographic influences. Landscape |
| 159.922.25 | Meteorological influences (influences of climate, weather) |
| 159.922.26 | Residential influences (influences of dwelling, domicile) |
| 159.922.27 | Social influences Neighbours. Associates ⇨ 316.614 Socialization |
| 159.922.28 | Influence of dress, clothing ⇨ 391 Costume. Clothing. National dress. Fashion. Adornment ⇨ 613.48 Clothing |
| 159.922.3 | Influence of ancestry. Mental heredity. Inherited characteristics |
| 159.922.4 | Ethnopsychology. National psychology Scope Note: Class here also cross-cultural psychiatry (ethnopsychiatry) Application Note: Details by common auxiliaries of ethnic grouping (Table 1f) and common auxiliaries of place (Table 1e) ⇨ 572.9 Special anthropogeography. Individual human ancestry groups |
159.922.41 | Palaeopsychology. Psychology of Palaeolithic man |
| 159.922.5 | Influence of body characteristics Growth. Deportment. Deformities |
| 159.922.6 | Influence of age |
| 159.922.62 | Maturity |
| 159.922.63 | Old age. Senescence |
| 159.922.7 | Child psychology. Paedology. Paedopsychology ⇨ 159.922 Characteristics of mental life. Consciousness. Mental development in humans. Differential psychology. Genetic psychology. Developmental psychology |
| 159.922.72 | Intellectual development of the child |
| 159.922.73 | Mental characteristics of the child Influence of child’s age. Psychology of infancy, childhood, puberty |
| 159.922.74 | Children’s point of view, attitudes |
| 159.922.75 | Children’s descriptions and representations |
| 159.922.76 | Children with abnormal behaviour. Abnormal child psychology ◇ 159.922.76-056.26 Abnormal behaviour of children with physical handicap ◇ 159.922.76-056.313 Abnormal behaviour of children with low intelligence ◇ 159.922.76-056.34 Abnormal behaviour of children with mental health problems ◇ 159.922.76-056.45 Abnormal behaviour of precocious, highly gifted children ◇ 159.922.76-056.49 Abnormal psychology of children with behavioural problems |
| 159.922.8 | Psychology of adolescence 159.922.8 ≅ 159.922.7 |
| 159.923 | Type psychology. Individual psychology. Psychology of individualities. Individuality. Personality. Character psychology. Characterology. Idiosyncrasies. Personal equation. Personality types |
| 159.923.2 | Development, emergence of the personality. Self-awareness. Identity of the personality The ego. Self and not-self. Self and body. The inner self. Self as person. Self and society |
| 159.923.3 | Composition of the personality. Character traits. Psychogram |
| 159.923.31 | Corporeal elements |
| 159.923.32 | Moral and religious elements |
| 159.923.33 | Social elements |
| 159.923.35 | Mental elements |
| 159.923.37 | Aesthetic elements |
| 159.923.38 | Special aptitudes and gifts |
| 159.923.4 | Temperaments |
| 159.923.42 | Popular classifications |
| 159.923.423 | Sanguine |
| 159.923.424 | Choleric |
| 159.923.425 | Phlegmatic |
| 159.923.426 | Melancholic |
| 159.923.43 | Scientific classifications |
| 159.923.434 | Kretschmer’s classification |
| 159.923.434.2 | Schizothymic |
| 159.923.434.4 | Viscous |
| 159.923.434.6 | Cyclothymic |
| 159.923.5 | Cultivation of the personality |
| 159.924 | Genius |
| 159.924.2 | Characteristic traits of genius |
| 159.924.3 | Genius as hereditary, inherited |
| 159.924.6 | Genius as pathological, morbid state |
| 159.924.62 | Genius and insanity |
| 159.924.63 | Genius and illness |
| 159.924.64 | Genius and vice |
| 159.924.65 | Genius and degeneracy |
| 159.924.7 | Environment and training of genius Upbringing. Home. Family. Education |
| 159.924.8 | Classes of genius |
| 159.924.9 | Geographic distribution of the gift of genius |
| 159.925 | Study of expression. Physical manifestation of mentality. Bodily expression of character |
| 159.925.2 | Physiognomy |
| 159.925.5 | Phrenology. Craniology. Cerebral localization of faculties or functions |
| 159.925.6 | Graphology |
| 159.925.7 | Chirognomy ⇨ 133.6 Chiromancy. Palmistry. Chirology |
| 159.925.8 | Mime and mimicry Voice. Gesture. Gait |
| 159.928 | Various kinds of talent. Abilities. Aptitudes |
| 159.928.22 | General abilities, giftedness |
| 159.928.23 | Special capacity, aptitude, talent ⇨ 159.95 Higher mental processes |
| 159.929 | Plant and animal behaviour. Biopsychology. Comparative psychology ⇨ 581.5 Habits of plants. Plant behaviour. Plant ecology. Plant ethology. The plant and its environment. Bionomics of plants ⇨ 591.5 Animal habits. Animal behaviour. Ecology. Ethology. Animal and environment. Bionomy |
159.93 | Sensation. Sensory perception ⇨ 611.84/.88 Sensory organs |
| 159.931/.936 | The senses (faculties) |
| 159.931 | Vision. Sight |
| 159.932 | Audition. Hearing |
| 159.933 | Olfaction. Smell |
| 159.934 | Gustation. Taste |
| 159.935 | Tactile sense. Touch. Feeling |
| 159.936 | Muscular, articular and organic senses. Equilibrium |
| 159.937 | Perception. Interpretation of percepts |
| 159.937.2 | Elements of perception |
| 159.937.22 | Sensory performance |
| 159.937.23 | Apperception |
| 159.937.24 | Preperception ⇨ 159.954.3 Imagery |
| 159.937.3 | Perceptual errors. Normal illusions ⇨ 159.961 Parapsychology. Psychic phenomena and research |
| 159.937.5 | Special classes of perception |
| 159.937.51 | Perception of colours. Colour as visual sensation. Psychological theory of colour ⇨ -026.613 Properties related to visible light. Hues. Colours ⇨ 535.64 Colour systems. Colour theories. Theory of colour measurement, chromaticity measurement ⇨ 612.843.31 Colour vision (chromatopsia) |
| 159.937.511 | Appearance of the colours. General properties of colour sensations |
| 159.937.511.1 | Free colour. Aperture colours |
| 159.937.511.2 | Surface (or area) colours |
| 159.937.511.3 | Solid (spatial) colours |
159.937.511.4 | Chromatic and achromatic colours |
| 159.937.511.5 | Pure colours. Dull colours. Broken colours. Clouded colours |
| 159.937.512 | Attributes of colours Warm and cold colours. Emergent and receding colours. Brightness |
| 159.937.513 | Colour nomenclature. Names of colours |
| 159.937.514 | Problems of colour of lighting (illumination), and of tinted spectacles. Colour sensitivity in altered environmental conditions Local colour. Shadow perception. Colour fidelity (in reproductions) |
| 159.937.515 | Effects of individual colours Warning colours, signals. Congenial, relaxing colours. Spatial effects ⇨ -026.613 Properties related to visible light. Hues. Colours ⇨ 62-777.6 Identification by colour. Colour-coding |
| 159.937.515.5 | Colour symbolism Colours for sorrow, joy ⇨ 27-528 Christian liturgy ⇨ 929.622 Heraldic tincture. Armorial colours |
| 159.937.516 | Interactions of colours Psychologically fundamental colours. Psychologically complementary colours. Effect of colour groupings, juxtapositions ⇨ 535.6 Colours and their properties. Colour theory |
| 159.937.52 | Perception of space and extent. Localization of objects. Psychological optics other than colour theory |
| 159.937.522 | Elements of space perception Distance. Size, dimensions. Shape. Direction |
| 159.937.523 | Sensory factors in space perception |
| 159.937.53 | Perception of time (duration) and rhythm |
| 159.937.54 | Perception of movement |
| 159.937.7 | Synaesthesia. Colour audition |
| 159.938 | Psychophysics. Psychometry |
| 159.938.2 | Psychophysics |
| 159.938.21 | Laws |
| 159.938.22 | Principal formulae |
| 159.938.25 | General measuring methods |
159.938.252 | Stimulus threshold |
| 159.938.253 | Difference threshold |
| 159.938.3 | Psychometry. Psychochronometry. Mental chronometry. Reaction time |
| 159.938.34 | Types of reaction time |
| 159.938.342 | Physiological and reflex reaction times ⇨ 612.821.1 Reaction time. Psychometry |
| 159.938.343 | Psychophysical reaction time |
| 159.938.343.2 | Simple psychophysical reaction time |
| 159.938.343.3 | Complex psychophysical reaction times |
| 159.938.343.32 | Discernment time. Recognition time. Perception time |
| 159.938.343.33 | Rate of discernment |
| 159.938.343.34 | Selection time. Rate of selection |
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