Comprehension of idioms

Last updated March 08, 2020

Comprehension of idioms is the act of processing and understanding idioms. Idioms are a common type of figure of speech. Based on common linguistic definitions, an idiom is a combination of words that contains a meaning that cannot be understood based on the literal definition of the individual words.^[1] An example of an idiom is hit the sack, which means to go to bed. It can be used in a sentence like the following: I'm beat; I'm gonna hit the sack.^[2]

History
Non-compositional Models
Criticisms of Non-compositional Models
Compositional Models
Criticisms of Compositional Models
Recent Models
Factors that affect Idiom Comprehension
Familiarity
Transparency
Context of use
Neurolinguistic Research
Right Hemisphere
Left Hemisphere
Prefrontal Cortex
MEG
See also
References

Traditionally, idiom comprehension was thought to require a distinct processing mode other than literal language comprehension. Subsequent research suggested that the comprehension of idioms could be explained in the context of general models of comprehension. Contemporary researchers have also posited that different modes of processing are required for distinct types of idioms. Factors, such as idiom familiarity, transparency, and context are found to influence idiom comprehension.

Recent neurolinguistic research has found, using various techniques, several neural substrates that are associated with idiom comprehension, such as the left temporal lobe and prefrontal cortex.

History

Psycholinguistic research in idiom comprehension began in the 1970s. Early research on figurative language typically assumed that comprehending figurative and literal language involved different kinds of processes. The non-compositional models of idiom comprehension were constructed based on this assumption.

Non-compositional Models

Non-compositional models in general assume that idioms are stored like long words in memory.^[3] For example, the entire phrase kick the bucket is represented by the meaning to die. The words kick and bucket separately do not contribute to the idiomatic meaning. Since individual words do not matter in an idiomatic expression, they are thought to be processed together as one entity during comprehension. In contrast, processing a literal expression requires the meaning of each word to be derived and then perceived in relation to the other words in the phrase. Non-compositional models include the literal first hypothesis, lexical representation hypothesis, and the direct access hypothesis.

The Literal First Hypothesis

The literal first hypothesis suggests that an idiom is first processed literally upon encounter.^[4] Idioms are often ambiguous since they may be processed in two ways: literally and idiomatically. For example, kick the bucket can be interpreted as to strike the pail with one’s foot. The literal first hypothesis proposes that, only after an appropriate literal meaning is not found, a mental idiom list is assessed to retrieve the idiomatic meaning. This hypothesis posits that there are separate storage for normal words and idioms, and that literal processing and figurative processing require different modes. Researchers claimed that this hypothesis was supported when people reported that they made an idiomatic interpretation first after they have read a set of idiom-containing sentences, but a literal interpretation first if they have seen a set of literal but ambiguous sentences.

The Lexical Representation Hypothesis

Contrary to the previous model, the lexical representation hypothesis posits that idioms are stored along with normal words in memory.^[5] Idioms are processed both literally and figuratively simultaneously. However, the figurative meaning (lexical representation) of the idiom is accessed first since the word string is stored and processed as one entry. Literal processing consumes more time since it requires the understanding of each word individually. Research conducted to support this hypothesis found that people recognized grammatical idioms as meaningful expressions more quickly than non-idiomatic but grammatical phrases when they were presented out of context.

The Direct Access Hypothesis

The direct access hypothesis proposes that literal processing does not necessary occur when an idiom is encountered. It is possible that people completely bypass such mode when faced with a highly familiar idiom or have sufficient context to infer an idiomatic interpretation. In these cases, the idiomatic meaning is directly accessed.^[6] This hypothesis is based on the findings that demonstrated that people processed idiomatic sentences quicker than literal ones, and tended to interpret idiomatic expressions figuratively even when they are used in a literal sense.

Criticisms of Non-compositional Models

There are several criticisms for the non-compositional models. First, studies demonstrated that idiom expressions are not processed more slowly than literal expression. In fact, it is often the opposite, which is in contrary to the prediction of literal first hypothesis. Second, idioms have been found to be more than just “frozen phrases” or long words. For example, some idioms can be transformed to some extent and still be recognized and understood. For example, spill the beans can be used as “the beans were spilt by Mary”. This is possible because spill the bean can be mapped on the meaning “reveal the secret”, i.e. spill (reveal) and beans (secret). Such idiom shows that the internal structure of the word string matters during comprehension. The meaning of some idioms, like play with fire, can be also inferred from literal interpretation of their components (i.e. to do something dangerous). These findings reveal that idioms are not a homogeneous, distinct group and thus may not involve different processing strategies from those for literal expressions.^[7]

Compositional Models

Compositional models assume that idiom comprehension uses normal language processing.^[3] When an idiomatic expression is encountered, it is processed incrementally like a normal expression. Components of an idiomatic word string contribute to a figurative meaning in either a literal or metaphorical way. Compositional models include the configurational hypothesis and the conceptual metaphor hypothesis.

The Configurational Hypothesis

The configurational hypothesis rose in response to the former hypotheses. It was based on a finding that demonstrated that people did not make an idiomatic interpretation once the first part of an idiom is encountered (against the prediction of the direct access hypothesis) or at the end of the idiom (against the prediction of the lexical representation hypothesis). Instead, the configurational hypothesis posits that a sufficient portion of an idiomatic word string must be processed literally before the idiom is identified.^[8] The point where most people recognize the string as an idiom is the idiom key. Once the key is encountered, the words in the rest of the string will not be processed literally. The idiom key is the most important part of the idiom. If it is replaced by other words, the idiomatic meaning cannot be activated.

The Conceptual Metaphor Hypothesis

The conceptual metaphor hypothesis proposes that metaphors are fundamental to human thought and they influence the comprehension of many aspects of language, including idioms.^[9] An example of a conceptual metaphor is “love is a journey”. This metaphor is embedded in the idiom-containing sentences like their marriage is on the rocks and our relationship is at a cross-road. This hypothesis suggests that conceptual metaphors facilitate the understanding of idiomatic expressions. Individual words in the idiom can metaphorically contribute to its figurative meaning. In fact, research demonstrated that conceptual metaphors are activated during idiom comprehension. The words associated with the metaphor (e.g., journey) were more quickly identified as meaningful after the presentation of the idiom. ^{[ citation needed ]}

Criticisms of Compositional Models

The prediction of the configurational hypothesis was not supported by research findings. Researchers found that even after a word string is recognized as an idiom, its literal meaning is still activated. Another criticism of the compositional models concerns the role of familiarity in idiom comprehension. As discovered by research on non-compositional models, idiomatic expressions are processed faster than non-idiomatic expressions. This is likely due to people’s familiarity of idioms. This suggests that when highly familiar idioms are encountered, people may not need to engage in literal processing or utilize conceptual metaphor to infer their meanings.^[7]

Recent Models

Research in idiom comprehension continues today. Non-compositional and compositional models both inform contemporary researchers. One of the recent models includes the dual idiom representation model.

The Dual Idiom Representation Model

The dual idiom representation model suggests that idiomatic expressions are simultaneously “long words” and compositional phrases.^[7] Thus, idiom comprehension involves both direct memory retrieval and normal language processing. Idioms behave noncompositionally to the degree they are familiar. When highly familiar idioms encountered, their idiomatic meanings can be directly activated. In addition, idioms can behave compositionally if they are decomposable. Decomposability of an idiom refers to the extent to which the literal meaning of the individual words in the word string participate in the overall figurative meaning of the idiom. As suggested earlier, the idiom play with fire is decomposable while kick the bucket is nondecomposable. Comprehension is facilitated in a decomposable idiom since there are commonality between the results of its literal analysis and its idiomatic meaning. Research shows that familiarity had the larger effect on the speed of idiom comprehension than decomposability. Decomposability nonetheless facilitates processing the meaningfulness of the idiomatic expression.^[10]

Factors that affect Idiom Comprehension

Many factors have an effect on the comprehension of idioms. They can influence the processing speed and understandability of the idioms. Some of these factors include the familiarity, transparency, and context of use of the idioms.^[1]

Familiarity

Idiom familiarity is typically defined as how frequently an idiom is encountered in a language community. Subjective ratings of idiom familiarity are usually obtained from members of the language community. An example of a more familiar English idiom is pain in the neck, while a less familiar idiom is paddle his own canoe. Research demonstrated that familiar idioms are processed quicker and more accurately than unfamiliar ones.^[11] As the dual idiom representation model suggests, highly familiar idioms may lead to direct memory retrieval. Processing unfamiliar idioms, on the other hand, requires contextual information and commonsense knowledge.

Transparency

Idiom transparency can refer to the “literalness” of an idiom; how easy it is to understand an idiom based on the words it contains. Idioms can be sorted depending on their degree of transparency. Three categories of idioms have been identified: decomposable, abnormally decomposable, and nondecomposable.^[6] Decomposable idioms are composed of words that literally contribute to their overall figurative meaning, e.g. pop the question. Pop refers to sudden and the question refers to marriage proposal. Abnormally decomposable idioms contain words that are associated with the overall figurative meaning of the idiom but in a metaphorical way, e.g. spill the beans. Spill mapping on to reveal and beans metaphorically representing secret. Nondecomposable idioms are made of words that do not reflect their idiomatic meaning, e.g. kick the bucket. People are found to respond to both types of decomposable idioms faster than nondecomposable ones.

Context of use

Research in children highlighted the important effects of context on idiom comprehension. It was found that children understand idiomatic expression more accurately when they are shown in informative contexts than when they are presented in isolation.^[12] When they are encountered out of context, children tended to interpret idioms literally. The ability to use contextual information in language processing has also been found to influence children’s performance in idiom comprehension. Adults, however, are more affected by the familiarity of the idiom.

Neurolinguistic Research

Researchers have used various means to explore the brain regions that are associated with idiom comprehension. The investigations involve examining brain damage patients, and conducting transcranial magnetic stimulation (rTMS) and functional magnetic resonance imaging (fMRI) studies. Brain damages in the patients were mostly caused by strokes or traumatic accidents. rTMS causes temporary cerebral lesion, and thereby impairs the target area’s functioning. fMRI measures brain activity by detecting changes in blood flow. The areas that have been studied include the right hemisphere, left hemisphere, and prefrontal cortex.

Right Hemisphere

Since aphasic patients often preserve their ability to use familiar phrases (i.e. idioms and proverbs), researchers hypothesized that they may be stored and processed in different brain regions than novel phrases. It was found that patients who experienced right-brain damage (RBD) showed more impairment in idiom comprehension than patients with left-brain damage (LBD). RBD patients however performed better in comprehending novel sentence compared to patients with LBD.^[13] This suggests that the right hemisphere is involved in the comprehension of idioms. However, later research has suggested that RBD patients’ difficulties in idiom comprehension, as demonstrated by sentence-to-picture matching task, may be due to deficits in their visuospatial abilities, rather than impairment in linguistic processing. The right hemisphere shows dominance in visuospatial processing.^[14]

Left Hemisphere

Other researchers have hypothesized that comprehension of nondecomposable idioms mainly involved left hemispheric activity. When healthy adults were studied, left temporal rTMS was found to influence the reaction time and accuracy of both idiom comprehension and literal sentence processing. In particular, it increased processing time and reduced accuracy in understanding. When rTMS was applied to the left frontal, right frontal and right temporal, there were no effects on idiom comprehension.^[15] Recent research with healthy adults using fMRI also found that, when processing idioms that were not literally interpretable (i.e., raining cats and dogs), the Broca’s area in the left prefronto-temporal network was activated. However, when literally interpretable idioms (i.e., break the ice) were processed, the left medial frontal gyrus (MFQ) and superior frontal gyrus (SFG) were activated.^[16]

Prefrontal Cortex

Prefrontal cortex (PFC) is suggested to be important for idiom comprehension. It may play a role in selecting the appropriate interpretation and suppressing the incorrect ones when an idiomatic expression is encountered. Research using fMRI indicated that the left temporal cortex, left superior medial frontal gyrus, and left inferior frontal gyrus were activated when idiomatic phrases were presented.^[17] In addition, the right superior and middle temporal gyri, the right temporal pole, and the right inferior frontal gyrus were activated as well. In contrast, the left inferior parietal lobe and the right supramarginal gyrus were activated when literal sentences were presented.

MEG

Future research in this field should continue to investigate which brain regions are associated with idiom processing, in order to resolve the ongoing debate on hemispheric specialization in figurative language comprehension.^[18] A recent review suggested that the familiarity affect which brain region is activated during the comprehension of figurative language. Less familiar expressions are suggested to be processed in the right hemisphere, while more familiar ones are processed predominately in the left hemisphere. More brain imaging research needs to be conducted to test this hypothesis.

Additionally, future research could use magnetoencephalography (MEG) to explore the temporal dynamics of idiom comprehension. Recent research using MEG has found that, when idioms containing action verbs (i.e. kick the bucket) were processed, motor regions of the brain were activated. The anterior fronto-temporal cortex, a region previously found to distinguish between literal and figurative processing, was activated at the same time as well. This suggests that literal and figurative meanings are processed in parallel to some extent, which gives support to the configurational hypothesis.^[19] More work with MEG should be done to verify these findings.

Related Research Articles

The term language center refers to the areas of the brain which serve a particular function for speech processing and production. Language is a core system, which gives humans the capacity to solve difficult problems and provides them with a unique type of social interaction. Language allows individuals to attribute symbols to specific concepts and display them through sentences and phrases that follow proper grammatical rules. Moreover, speech is the mechanism in which language is orally expressed.

Broca's area, or the Broca area, is a region in the frontal lobe of the dominant hemisphere, usually the left, of the brain with functions linked to speech production.

An idiom is a phrase or an expression that has a figurative, or sometimes literal, meaning. Categorized as formulaic language, an idiom's figurative meaning is different from the literal meaning. There are thousands of idioms, occurring frequently in all languages. In the English language alone, it is estimated that there are at least twenty-five thousand idiomatic expressions.

Literal and figurative language is a distinction within some fields of language analysis, in particular stylistics, rhetoric, and semantics.

Brodmann area 45 (BA45), is part of the frontal cortex in the human brain. It is situated on the lateral surface, inferior to BA9 and adjacent to BA46.

Wernicke's area, also called Wernicke's speech area, is one of the two parts of the cerebral cortex that are linked to speech. It is involved in the comprehension of written and spoken language. It is traditionally thought to be in Brodmann area 22, which is located in the superior temporal gyrus in the dominant cerebral hemisphere.

Superior temporal gyrus Part of the brains temporal lobe

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The angular gyrus is a region of the brain lying mainly in the anterolateral region of parietal lobe, that lies near the superior edge of the temporal lobe, and immediately posterior to the supramarginal gyrus. Its significance is in transferring visual information to Wernicke's area, in order to make meaning out of visually perceived words. It is also involved in a number of processes related to language, number processing and spatial cognition, memory retrieval, attention, and theory of mind. It is Brodmann area 39 of the human brain.

Lobes of the brain part of the cerebral cortex

The lobes of the brain were originally a purely anatomical classification, but have been shown also to be related to different brain functions. The cerebrum, the largest portion of the human brain, is divided into lobes, but so is the cerebellum. If not specified, the expression "lobes of the brain" refers to the cerebrum.

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Superior temporal sulcus Part of the brains temporal lobe

The superior temporal sulcus (STS) is the sulcus separating the superior temporal gyrus from the middle temporal gyrus in the temporal lobe of the brain. The superior temporal sulcus is the first sulcus inferior to the lateral fissure.

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Sam Glucksberg is a Canadian professor in the Psychology Department at Princeton University in New Jersey, known for his works on figurative language: metaphors, irony, sarcasm, and idioms. He is particularly known for manipulating the Candle Problem experiment which had participants figure out the best way to erect a candle on a wall. Along with performing experiments, Glucksberg has also written Understanding Figurative Language: From Metaphors to Idioms, published by Oxford University Press in 2001.

Raymond W. Gibbs Jr. was a Psychology professor and researcher at the University of California, Santa Cruz. His research interests are in the fields of experimental psycholinguistics and cognitive science. His work concerns a range of theoretical issues, ranging from questions about the role of embodied experience in thought and language, to looking at people's use and understanding of figurative language. Raymond Gibbs's research is especially focused on bodily experience and linguistic meaning. Much of his research is motivated by theories of meaning in philosophy, linguistics, and comparative literature.

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References

1 2 Liu, D. (2008). Idioms: Description, comprehension, acquisition, and pedagogy. New York, NY: Routledge.
↑ "The Idioms". Largest Idioms Dictionary. Theidioms.com. Retrieved 5 February 2020.
1 2 Caillies, S., & Butcher, K. (2007). Processing of idiomatic expressions: Evidence for a new hybrid view. Metaphor and Symbol, 22, 79-108.
↑ Swinney, D. A., & Culter, A. (1979). The access and processing of idiomatic expression. Journal of Verbal Learning and Verbal Behavior, 18, 523-534
↑ Bobrow, S. A., & Bell, S. M. (1973). On catching on to idiomatic expressions. Memory & Cognitio, 1, 343-346
1 2 Gibbs, R. W. (1980). Spilling the beans on understanding and memory for idioms in context. Memory and Cognition, 8, 149-156
1 2 3 Titone, D. A., & Connine, C. M. (1999). On the compositional and noncompositional nature of idiomatic expressions. Journal of Pragmatics, 31, 1655-1674.
↑ Cacciari, C., & Tabossi, P. (1988). The comprehension of idioms. Journal of Memory and Language, 27, 668-683
↑ Gibbs, R. W., Bogdanovich, J. M., Sykes, J. R., & Barr, D. J. (1997). Metaphor in idiom comprehension. Journal of Memory and Language, 37, 141–154
↑ Libben, M. R., & Titone, D. A. (2008). The multidetermined nature of idiom processing. Memory & Cognition, 36, 1103-1121.
↑ Schweigert, W. A. (1986). The comprehension of familiar and less familiar idioms. Journal of Psycholinguistic Research, 15, 33-45.
↑ Levorato, M. C., Roch, M., & Nesi, B. (2007). A longitudinal study of idiom and text comprehension. Journal of Child Language, 34, 473-494.
↑ Van Lancker, D. R., & Kempler, D. (1987). Comprehension of familiar phrases by left-but not by right-hemisphere damaged patients. Brain and Language, 32, 265-277.
↑ Papagno, C., Curti, R., Rizzo, S., Crippa, F., & Colombo, M. R. (2006). Is the right hemisphere involved in idiom comprehension? A neuropsychological study. Neuropsychology, 20, 598-606.
↑ Papagno, C., Oliveri, M., Romero, L. (2002). Neural correlates of idiom comprehension. Cortex, 38, 895-898.
↑ Hillert, D. G., & Buracas, G. T. (2009). The neural substrates of spoken idiom comprehension. Language and Cognitive Processes, 24, 1370-1391.
↑ Lauro, L. J. R., Tettamanti, M., Cappa, S. F., & Papagno, C. (2008). Idiom comprehension: A prefrontal task? Cerebral Cortex, 18, 162-170.
↑ Kasparian, K. (2013) Hemispheric differences in figurative language processing: Contributions of neuroimaging methods and challenges in reconciling current empirical findings. Journal of Neurolinguistics, 26, 1-12.
↑ Boulenger, V., Shtyrov, Y., & Pulvermuller, F. (2012). When do you grasp the idea? MEG evidence for instantaneous idiom understanding. NeuroImage, 59, 3502-3513.

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[Liu-1] 1 2 Liu, D. (2008). Idioms: Description, comprehension, acquisition, and pedagogy. New York, NY: Routledge.

[2] "The Idioms". Largest Idioms Dictionary. Theidioms.com. Retrieved 5 February 2020.

[Caillies-3] 1 2 Caillies, S., & Butcher, K. (2007). Processing of idiomatic expressions: Evidence for a new hybrid view. Metaphor and Symbol, 22, 79-108.

[4] Swinney, D. A., & Culter, A. (1979). The access and processing of idiomatic expression. Journal of Verbal Learning and Verbal Behavior, 18, 523-534

[5] Bobrow, S. A., & Bell, S. M. (1973). On catching on to idiomatic expressions. Memory & Cognitio, 1, 343-346

[Gibbs-6] 1 2 Gibbs, R. W. (1980). Spilling the beans on understanding and memory for idioms in context. Memory and Cognition, 8, 149-156

[Titone-7] 1 2 3 Titone, D. A., & Connine, C. M. (1999). On the compositional and noncompositional nature of idiomatic expressions. Journal of Pragmatics, 31, 1655-1674.

[8] Cacciari, C., & Tabossi, P. (1988). The comprehension of idioms. Journal of Memory and Language, 27, 668-683

[9] Gibbs, R. W., Bogdanovich, J. M., Sykes, J. R., & Barr, D. J. (1997). Metaphor in idiom comprehension. Journal of Memory and Language, 37, 141–154

[10] Libben, M. R., & Titone, D. A. (2008). The multidetermined nature of idiom processing. Memory & Cognition, 36, 1103-1121.

[11] Schweigert, W. A. (1986). The comprehension of familiar and less familiar idioms. Journal of Psycholinguistic Research, 15, 33-45.

[12] Levorato, M. C., Roch, M., & Nesi, B. (2007). A longitudinal study of idiom and text comprehension. Journal of Child Language, 34, 473-494.

[13] Van Lancker, D. R., & Kempler, D. (1987). Comprehension of familiar phrases by left-but not by right-hemisphere damaged patients. Brain and Language, 32, 265-277.

[14] Papagno, C., Curti, R., Rizzo, S., Crippa, F., & Colombo, M. R. (2006). Is the right hemisphere involved in idiom comprehension? A neuropsychological study. Neuropsychology, 20, 598-606.

[15] Papagno, C., Oliveri, M., Romero, L. (2002). Neural correlates of idiom comprehension. Cortex, 38, 895-898.

[16] Hillert, D. G., & Buracas, G. T. (2009). The neural substrates of spoken idiom comprehension. Language and Cognitive Processes, 24, 1370-1391.

[17] Lauro, L. J. R., Tettamanti, M., Cappa, S. F., & Papagno, C. (2008). Idiom comprehension: A prefrontal task? Cerebral Cortex, 18, 162-170.

[18] Kasparian, K. (2013) Hemispheric differences in figurative language processing: Contributions of neuroimaging methods and challenges in reconciling current empirical findings. Journal of Neurolinguistics, 26, 1-12.

[19] Boulenger, V., Shtyrov, Y., & Pulvermuller, F. (2012). When do you grasp the idea? MEG evidence for instantaneous idiom understanding. NeuroImage, 59, 3502-3513.