In cognitive linguistics, conceptual metaphor, or cognitive metaphor, refers to the understanding of one idea, or conceptual domain, in terms of another. An example of this is the understanding of quantity in terms of directionality (e.g. "the price of peace is rising") or the understanding of time in terms of money (e.g. "I spent time at work today").
A conceptual domain can be any coherent organization of human experience. The regularity with which different languages employ the same metaphors, which often appear to be perceptually based, has led to the hypothesis that the mapping between conceptual domains corresponds to neural mappings in the brain. This theory has gained wide attention, although some researchers question its empirical accuracy.
This idea, and a detailed examination of the underlying processes, was first extensively explored by George Lakoff and Mark Johnson in their work Metaphors We Live By in 1980. Since then, the field of metaphor studies within the larger discipline of Cognitive Linguistics has increasingly developed, with several, annual academic conferences, scholarly societies, and research labs contributing to the subject area. Some researchers, such as Gerard Steen, have worked to develop empirical investigative tools for metaphor research, including the Metaphor Identification Procedure, or MIP. In Psychology, Raymond W. Gibbs, Jr., has investigated conceptual metaphor and embodiment through a number of psychological experiments. Other cognitive scientists, for example Gilles Fauconnier, study subjects similar to conceptual metaphor under the labels "analogy", "conceptual blending" and "ideasthesia".
Conceptual metaphors are seen in language in our everyday lives. Conceptual metaphors shape not just our communication, but also shape the way we think and act. In George Lakoff and Mark Johnson's work, Metaphors We Live By (1980), we see how everyday language is filled with metaphors we may not always notice. An example of one of the commonly used conceptual metaphors is "argument is war". This metaphor shapes our language in the way we view argument as war or as a battle to be won. It is not uncommon to hear someone say "He won that argument" or "I attacked every weak point in his argument". The very way argument is thought of is shaped by this metaphor of arguments being war and battles that must be won. Argument can be seen in other ways than a battle, but we use this concept to shape the way we think of argument and the way we go about arguing.
Conceptual metaphors are used very often to understand theories and models. A conceptual metaphor uses one idea and links it to another to better understand something. For example, the conceptual metaphor of viewing communication as a conduit is one large theory explained with a metaphor. So not only is our everyday communication shaped by the language of conceptual metaphors, but so is the very way we understand scholarly theories. These metaphors are prevalent in communication and we do not just use them in language; we actually perceive and act in accordance with the metaphors.
Historical Accounts of MetaphorEdit
In the Western philosophical tradition, Aristotle is often situated as the first commentator on the nature of metaphor, writing in the Poetics, "A 'metaphorical term' involves the transferred use of a term that properly belongs to something else," and elsewhere in the Rhetoric he says that metaphors make learning pleasant; "To learn easily is naturally pleasant to all people, and words signify something, so whatever words create knowledge in us are the pleasantest."  Aristotle's writings on metaphor constitute a "substitution view" of metaphor, wherein a metaphor is simply a decorative word or phrase substituted for a more ordinary one. This has been sometimes called the "Traditional View of Metaphor"  and at other times the "Classical Theory of Metaphor". Later in the first century A.D., the Roman rhetorician Quintilian builds upon Aristotle's earlier work of metaphor by focusing more on the comparative function of metaphorical language. In his work Institutio Oratoria, Quintilian states," In totum autem metaphora brevior est similitudo" or "on the whole, metaphor is a shorter form of simile" . Modern interpretations of these early theories have also been intensely debated. Janet Soskice, Professor of Philosophical Theology at the University of Cambridge, writes in summary that "it is certain that we shall taste the freshness of their insights only if we free them from the obligation to answer questions that were never theirs to ask" . George Lakoff and Mark Johnson, although originally taking a hard-line interpretation of these early authors, later concede that Aristotle was working within a different philosophical framework from what we engage with today and that critical interpretations should take this in to account.
There are two main roles for the conceptual domains posited in conceptual metaphors:
- Source domain: the conceptual domain from which we draw metaphorical expressions (e.g., love is a journey).
- Target domain: the conceptual domain that we try to understand (e.g., love is a journey).
A mapping is the systematic set of correspondences that exist between constituent elements of the source and the target domain. Many elements of target concepts come from source domains and are not preexisting. To know a conceptual metaphor is to know the set of mappings that applies to a given source-target pairing. The same idea of mapping between source and target is used to describe analogical reasoning and inferences.
A primary tenet of this theory is that metaphors are matter of thought and not merely of language: hence, the term conceptual metaphor. The metaphor may seem to consist of words or other linguistic expressions that come from the terminology of the more concrete conceptual domain, but conceptual metaphors underlie a system of related metaphorical expressions that appear on the linguistic surface. Similarly, the mappings of a conceptual metaphor are themselves motivated by image schemas which are pre-linguistic schemas concerning space, time, moving, controlling, and other core elements of embodied human experience.
Conceptual metaphors typically employ a more abstract concept as target and a more concrete or physical concept as their source. For instance, metaphors such as 'the days [the more abstract or target concept] ahead' or 'giving my time' rely on more concrete concepts, thus expressing time as a path into physical space, or as a substance that can be handled and offered as a gift. Different conceptual metaphors tend to be invoked when the speaker is trying to make a case for a certain point of view or course of action. For instance, one might associate "the days ahead" with leadership, whereas the phrase "giving my time" carries stronger connotations of bargaining. Selection of such metaphors tends to be directed by a subconscious or implicit habit in the mind of the person employing them.
The principle of unidirectionality states that the metaphorical process typically goes from the more concrete to the more abstract, and not the other way around. Accordingly, abstract concepts are understood in terms of prototype concrete processes. The term "concrete," in this theory, has been further specified by Lakoff and Johnson as more closely related to the developmental, physical neural, and interactive body (see embodied philosophy). One manifestation of this view is found in the cognitive science of mathematics, where it is proposed that mathematics itself, the most widely accepted means of abstraction in the human community, is largely metaphorically constructed, and thereby reflects a cognitive bias unique to humans that uses embodied prototypical processes (e.g. counting, moving along a path) that are understood by all human beings through their experiences.
The conduit metaphor is a dominant class of figurative expressions used when discussing communication itself (metalanguage). It operates whenever people speak or write as if they "insert" their mental contents (feelings, meanings, thoughts, concepts, etc.) into "containers" (words, phrases, sentences, etc.) whose contents are then "extracted" by listeners and readers. Thus, language is viewed as a "conduit" conveying mental content between people.
Defined and described by linguist Michael J. Reddy, PhD, his proposal of this conceptual metaphor refocused debate within and outside the linguistic community on the importance of metaphorical language.
Language and culture as mappingsEdit
- love is a journey
- life is a journey
- social organizations are plants
- love is war
The latter half of each of these phrases invokes certain assumptions about concrete experience and requires the reader or listener to apply them to the preceding abstract concepts of love or organizing in order to understand the sentence in which the conceptual metaphor is used.
There are numerous ways in which conceptual metaphors shape human perception and communication, especially in mass media and in public policy.
Lakoff and Johnson focus on English, and cognitive scholars writing in English have tended not to investigate the discourse of foreign languages in any great detail to determine the creative ways in which individuals negotiate, resist, and consolidate conceptual metaphors. Andrew Goatly in his book Washing the Brain (2007) considers ideological conceptual metaphors as well as Chinese conceptual metaphors.
James W. Underhill, a modern Humboldtian scholar, attempts to reestablish Wilhelm von Humboldt's concern for the different ways languages frame reality, and the strategies individuals adopt in creatively resisting and modifying existing patterns of thought. Taking on board the Lakoff-Johnson paradigm of conceptual metaphor, he investigates the way in which Czech communists appropriated the concept of the people, the state and struggle, and the way German Communists harnessed concepts of eternity and purity. He also reminds us that, as Klemperer, the main critic of Hitlerdeutsch, demonstrates, resisting patterns of thought means engaging in conceptual metaphors and refusing the logic that ideologies impose upon them. In multilingual studies (based on Czech, German, French & English), Underhill considers how different cultures reformulate key concepts such as truth, love, hate and war.
Family roles and ethicsEdit
A less extreme, but similar, claim is made by George Lakoff in his book Moral Politics and his later book on framing, Don't Think of an Elephant!. Lakoff claims that the public political arena in America reflects a basic conceptual metaphor of 'the family.' Accordingly, people understand political leaders in terms of 'strict father' and 'nurturant mother' roles. Two basic views of political economy arise from this desire to see the nation-state act 'more like a father' or 'more like a mother.' He further amplified these views in his latest book, The Political Mind.
Urban theorist and ethicist Jane Jacobs made this distinction in less gender-driven if not wholly desexualizing terms by differentiating between a 'Guardian Ethic' and a 'Trader Ethic'. She states that guarding and trading are two concrete activities that human beings must learn to apply metaphorically to all choices in later life. In a society where guarding children is the primary female duty and trading in a market economy is the primary male duty, Lakoff posits that children assign the 'guardian' and 'trader' roles to their mothers and fathers, respectively.
Both of these theories suggest that there may be a great deal of social conditioning and pressure to form specific cognitive bias. Anthropologists observe that all societies tend to have roles assigned by age and gender, which supports this view.
Linguistics and politicsEdit
Lakoff and Jacobs both devote a significant amount of time to current events and political theory, suggesting that respected linguists and theorists of conceptual metaphor may tend to channel their theories into political activism.
Critics of this ethics-driven approach to language tend to accept that idioms reflect underlying conceptual metaphors, but that actual grammar, and the more basic cross-cultural concepts of scientific method and mathematical practice tend to minimize the impact of metaphors. Such critics tend to see Lakoff and Jacobs as 'left-wing figures,' and would not accept their politics as any kind of crusade against an ontology embedded in language and culture, but rather, as an idiosyncratic pastime, not part of the science of linguistics nor of much use. And others further, such as Deleuze and Guattari, Michel Foucault and, more recently, Manuel de Landa would criticize both of these two positions for mutually constituting the same old ontological ideology that would try to separate two parts of a whole that is greater than the sum of its parts.
Lakoff's 1987 work, Women, Fire, and Dangerous Things, answered some of these criticisms before they were even made: he explores the effects of cognitive metaphors (both culturally specific and human-universal) on the grammar per se of several languages, and the evidence of the limitations of the classical logical-positivist or Anglo-American School philosophical concept of the category usually used to explain or describe the scientific method. Lakoff's reliance on empirical scientific evidence, i.e. specifically falsifiable predictions, in the 1987 work and in Philosophy in the Flesh (1999) suggests that the cognitive-metaphor position has no objections to the scientific method, but instead considers the scientific method a finely developed reasoning system used to discover phenomena which are subsequently understood in terms of new conceptual metaphors (such as the metaphor of fluid motion for conducted electricity, which is described in terms of "current" "flowing" against "impedance," or the gravitational metaphor for static-electric phenomena, or the "planetary orbit" model of the atomic nucleus and electrons, as used by Niels Bohr).
Further, partly in response to such criticisms, Lakoff and Rafael E. Núñez, in 2000, proposed a cognitive science of mathematics that would explain mathematics as a consequence of, not an alternative to, the human reliance on conceptual metaphor to understand abstraction in terms of basic experiential concretes.
The Linguistic Society of America has argued that "the most recent linguistic approach to literature is that of cognitive metaphor, which claims that metaphor is not a mode of language, but a mode of thought. Metaphors project structures from source domains of schematized bodily or enculturated experience into abstract target domains. We conceive the abstract idea of life in terms of our experiences of a journey, a year, or a day. We do not understand Robert Frost's 'Stopping by Woods on a Snowy Evening' to be about a horse-and-wagon journey but about life. We understand Emily Dickinson's 'Because I could not stop for Death' as a poem about the end of the human life span, not a trip in a carriage. This work is redefining the critical notion of imagery. Perhaps for this reason, cognitive metaphor has significant promise for some kind of rapprochement between linguistics and literary study."
Teaching thinking by analogy (metaphor) is one of the main themes of The Private Eye Project.
The work of political scientist Rūta Kazlauskaitė examines metaphorical models in school-history knowledge of the controversial Polish-Lithuanian past. On the basis of Lakoff and Johnson's conceptual metaphor theory, she shows how the implicit metaphorical models of everyday experience, which inform the abstract conceptualization of the past, truth, objectivity, knowledge, and multiperspectivity in the school textbooks, obstruct an understanding of the divergent narratives of past experience.
There is some evidence that an understanding of underlying conceptual metaphors can aid the retention of vocabulary for people learning a foreign language. To improve learners' awareness of conceptual metaphor, one monolingual learner's dictionary, the Macmillan English Dictionary has introduced 50 or so 'metaphor boxes' covering the most salient Lakoffian metaphors in English. For example, the dictionary entry for conversation includes a box with the heading: 'A conversation is like a journey, with the speakers going from one place to another', followed by vocabulary items (words and phrases) which embody this metaphorical schema. Language teaching experts are beginning to explore the relevance of conceptual metaphor to how learners learn and what teachers do in the classroom.
Conceptual metaphorical mapping in animalsEdit
A current study showed a natural tendency to systematically map an abstract dimension, such as social status, in our closest and non-linguistic relatives, the chimpanzees. In detail, discrimination performances between familiar conspecific faces were systematically modulated by the spatial location and the social status of the presented individuals, leading to discrimination facilitation or deterioration. High-ranked individuals presented at spatially higher position and low-ranked individuals presented at lower position led to discrimination facilitation, while high-ranked individuals at lower positions and low-ranked individuals at higher position led to discrimination deterioration. This suggests that this tendency had already evolved in the common ancestors of humans and chimpanzees and is not uniquely human, but describes a conceptual metaphorical mapping that predates language.
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- Lakoff, George & Mark Turner (1989) More than Cool Reason: A Field Guide to Poetic Metaphor. Chicago: University of Chicago Press.
- Lakoff, George (1987) Women, Fire and Dangerous Things. Chicago: University of Chicago Press.
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- The Center for the Cognitive Science of Metaphor Online is a collection of numerous formative articles in the fields of conceptual metaphor and conceptual integration.
- The Conceptual Metaphor Home Page This server is a research tool for cognitive scientists and others interested in the study of conceptual metaphor systems. Ongoing work in the metaphor system of English and other languages is made available here using a hypertext format which allows the reader to trace links between metaphors and thus get a better idea of the structure of the system.
- Conceptual Metaphor.net Collection of resources for the study of conceptual metaphor. Includes bibliography, library, audio of lectures, articles on metaphor.
- Evidence from cognitive neuroscience for the neural underpinnings of conceptual metaphors is discussed in Tim Rohrer's Understanding through the Body: fMRI and of ERP studies of metaphoric and literal language".