1
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Koller S, Müller N, Kauschke C. The Elephant in the Room: A Systematic Review of Stimulus Control in Neuro-Measurement Studies on Figurative Language Processing. Front Hum Neurosci 2022; 15:791374. [PMID: 35126074 PMCID: PMC8814624 DOI: 10.3389/fnhum.2021.791374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/23/2021] [Indexed: 11/22/2022] Open
Abstract
The processing of metaphors and idioms has been the subject of neuroscientific research for several decades. However, results are often contradictory, which can be traced back to inconsistent terminology and stimulus control. In this systematic review of research methods, we analyse linguistic aspects of 116 research papers which used EEG, fMRI, PET, MEG, or NIRS to investigate the neural processing of the two figurative subtypes metaphor and idiom. We critically examine the theoretical foundations as well as stimulus control by performing a systematic literature synthesis according to the PRISMA guidelines. We explicitly do not analyse the findings of the studies but instead focus on four primary aspects: definitions of figurative language and its subtypes, linguistic theory behind the studies, control for factors influencing figurative language processing, and the relationship between theoretical and operational definitions. We found both a lack and a broad variety in existing definitions and operationalisation, especially in regard to familiarity and conventionality. We identify severe obstacles in the comparability and validation potential of the results of the papers in our review corpus. We propose the development of a consensus in fundamental terminology and more transparency in the reporting of stimulus design in the research on figurative language processing.
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Affiliation(s)
| | - Nadine Müller
- Department of German Studies and Arts, Institute of German Linguistics, Philipps University of Marburg, Marburg, Germany
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2
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Halonen R, Kuula L, Antila M, Pesonen AK. The Overnight Retention of Novel Metaphors Associates With Slow Oscillation-Spindle Coupling but Not With Respiratory Phase at Encoding. Front Behav Neurosci 2021; 15:712774. [PMID: 34531730 PMCID: PMC8439423 DOI: 10.3389/fnbeh.2021.712774] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
Accumulating evidence emphasizes the relevance of oscillatory synchrony in memory consolidation during sleep. Sleep spindles promote memory retention, especially when occurring in the depolarized upstate of slow oscillation (SO). A less studied topic is the inter-spindle synchrony, i.e. the temporal overlap and phasic coherence between spindles perceived in different electroencephalography channels. In this study, we examined how synchrony between SOs and spindles, as well as between simultaneous spindles, is associated with the retention of novel verbal metaphors. Moreover, we combined the encoding of the metaphors with respiratory phase (inhalation/exhalation) with the aim of modulating the strength of memorized items, as previous studies have shown that inhalation entrains neural activity, thereby benefiting memory in a waking condition. In the current study, 27 young adults underwent a two-night mixed-design study with a 12-h delayed memory task during both sleep and waking conditions. As expected, we found better retention over the delay containing sleep, and this outcome was strongly associated with the timing of SO–spindle coupling. However, no associations were observed regarding inter-spindle synchrony or respiratory phase. These findings contribute to a better understanding of the importance of SO–spindle coupling for memory. In contrast, the observed lack of association with inter-spindle synchrony may emphasize the local nature of spindle-related plasticity.
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Affiliation(s)
- Risto Halonen
- Sleepwell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Liisa Kuula
- Sleepwell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Minea Antila
- Sleepwell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Anu-Katriina Pesonen
- Sleepwell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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3
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Johari K, Riccardi N, Malyutina S, Modi M, Desai RH. HD-tDCS over motor cortex facilitates figurative and literal action sentence processing. Neuropsychologia 2021; 159:107955. [PMID: 34252418 DOI: 10.1016/j.neuropsychologia.2021.107955] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 11/29/2022]
Abstract
The extent to which action and perception systems of the brain are involved in semantic comprehension remains controversial. Whether figurative language, such as metaphors and idioms, is grounded in sensory-motor systems is especially contentious. Here, we used high-definition transcranial direct current stimulation (HD-tDCS) in healthy adults to examine the role of the left-hemisphere motor cortex during the comprehension of action sentences, relative to comprehension of sentences with visual verbs. Action sentences were divided into three types: literal, metaphoric, or idiomatic. This allowed us to ask whether processing of action verbs used in figurative contexts relies on motor cortex. The results revealed that action sentence comprehension response times were facilitated relative to the visual sentence control. Significant interaction relative to visual sentences was observed for literal, metaphoric, and idiomatic action sentences with HD-tDCS of the motor cortex. These results suggest that the left motor cortex is functionally involved in action sentence comprehension. Furthermore, this involvement exists when the action content of the sentences is figurative, for both idiomatic and metaphoric cases. The results provide evidence for functional links between conceptual and action systems of the brain.
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Affiliation(s)
- Karim Johari
- Human Brain Mapping Laboratory, Department of Neurosurgery, University of Iowa, Iowa City, IA, USA; Department of Psychology, University of South Carolina, Columbia, SC, USA
| | - Nicholas Riccardi
- Department of Psychology, University of South Carolina, Columbia, SC, USA
| | | | - Mirage Modi
- Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
| | - Rutvik H Desai
- Department of Psychology, University of South Carolina, Columbia, SC, USA; Institute for Mind and Brain, University of South Carolina, Columbia, SC, USA.
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4
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Adamczyk P, Jáni M, Ligeza TS, Płonka O, Błądziński P, Wyczesany M. On the Role of Bilateral Brain Hypofunction and Abnormal Lateralization of Cortical Information Flow as Neural Underpinnings of Conventional Metaphor Processing Impairment in Schizophrenia: An fMRI and EEG Study. Brain Topogr 2021; 34:537-554. [PMID: 33973137 PMCID: PMC8195899 DOI: 10.1007/s10548-021-00849-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 05/05/2021] [Indexed: 01/05/2023]
Abstract
Figurative language processing (e.g. metaphors) is commonly impaired in schizophrenia. In the present study, we investigated the neural activity and propagation of information within neural circuits related to the figurative speech, as a neural substrate of impaired conventional metaphor processing in schizophrenia. The study included 30 schizophrenia outpatients and 30 healthy controls, all of whom were assessed with a functional Magnetic Resonance Imaging (fMRI) and electroencephalography (EEG) punchline-based metaphor comprehension task including literal (neutral), figurative (metaphorical) and nonsense (absurd) endings. The blood oxygenation level-dependent signal was recorded with 3T MRI scanner and direction and strength of cortical information flow in the time course of task processing was estimated with a 64-channel EEG input for directed transfer function. The presented results revealed that the behavioral manifestation of impaired figurative language in schizophrenia is related to the hypofunction in the bilateral fronto-temporo-parietal brain regions (fMRI) and various differences in effective connectivity in the fronto-temporo-parietal circuit (EEG). Schizophrenia outpatients showed an abnormal pattern of connectivity during metaphor processing which was related to bilateral (but more pronounced at the left hemisphere) hypoactivation of the brain. Moreover, we found reversed lateralization patterns, i.e. a rightward-shifted pattern during metaphor processing in schizophrenia compared to the control group. In conclusion, the presented findings revealed that the impairment of the conventional metaphor processing in schizophrenia is related to the bilateral brain hypofunction, which supports the evidence on reversed lateralization of the language neural network and the existence of compensatory recruitment of alternative neural circuits in schizophrenia.
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Affiliation(s)
- Przemysław Adamczyk
- Institute of Psychology, Jagiellonian University, Ingardena 6, 30-060, Kraków, Poland.
| | - Martin Jáni
- Institute of Psychology, Jagiellonian University, Ingardena 6, 30-060, Kraków, Poland.,Department of Psychiatry, Faculty of Medicine, Masaryk University and University Hospital Brno, Brno, Czech Republic
| | - Tomasz S Ligeza
- Institute of Psychology, Jagiellonian University, Ingardena 6, 30-060, Kraków, Poland
| | - Olga Płonka
- Institute of Psychology, Jagiellonian University, Ingardena 6, 30-060, Kraków, Poland
| | - Piotr Błądziński
- Community Psychiatry and Psychosis Research Center, Chair of Psychiatry, Medical College, Jagiellonian University, Kraków, Poland
| | - Miroslaw Wyczesany
- Institute of Psychology, Jagiellonian University, Ingardena 6, 30-060, Kraków, Poland
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5
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Whiteford-Damerall A. The Visual Working Memory Demands of Processing Conventional Metaphoric Language. AMERICAN JOURNAL OF PSYCHOLOGY 2021. [DOI: 10.5406/amerjpsyc.134.1.0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
According to the conceptual metaphor theory (CMT; Lakoff & Johnson, 1980), conceptual metaphors, such as “Life is a journey,” are used to map the characteristics of abstract domains (e.g., life) onto more accessible concrete domains (e.g., a journey). Uses such as “dead-end job” and “they’re on the right track” are manifestations of this conceptual metaphor. When and how these mappings might be created remains unclear. Bowdle and Gentner’s (2005) career of metaphor hypothesis suggests that metaphors in “X is a Y” form (e.g., “a lawyer is a shark”) undergo a change in the mode of processing as those metaphors transition from novel conceptual pairings to familiar ones. The current study asks whether the associations between conceptually related concepts are accessed while the metaphoric language is processed in working memory (WM) and, if so, whether the role of WM is moderated by familiarity. If processing linguistic applications of conceptual metaphors involves active access of the concrete source domain, processing metaphoric language, like the concrete language it is being mapped onto, should involve activation of concrete representations and recruit more visual WM resources than literal abstract language. Experiment 1 found no difference in the visual WM demands of processing literal language and conventional expressions of conceptual metaphors. Experiment 2 found that novel expressions of conceptual metaphors placed greater demands on visual WM than familiar expressions. Together, these data provide some support for CMT but suggest that familiarity of the linguistic form of the metaphor plays a role in determining processing modality.
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6
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Klooster N, McQuire M, Grossman M, McMillan C, Chatterjee A, Cardillo E. The Neural Basis of Metaphor Comprehension: Evidence from Left Hemisphere Degeneration. NEUROBIOLOGY OF LANGUAGE (CAMBRIDGE, MASS.) 2020; 1:474-491. [PMID: 37215584 PMCID: PMC10158586 DOI: 10.1162/nol_a_00022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 06/14/2020] [Indexed: 05/24/2023]
Abstract
Despite the ubiquity of metaphor in cognition and communication, it is absent from standard clinical assessments of language, and the neural systems that support metaphor processing are debated. Previous research shows that patients with focal brain lesions can display selective impairments in processing metaphor, suggesting that figurative language abilities may be disproportionately vulnerable to brain injury. We hypothesized that metaphor processing is especially vulnerable to neurodegenerative disease, and that the left hemisphere is critical for normal metaphor processing. To evaluate these hypotheses, we tested metaphor comprehension in patients with left-hemisphere neurodegeneration, and in demographically matched healthy comparison participants. Stimuli consisted of moderately familiar metaphors and closely matched literal sentences sharing the same source term (e.g., The interview was a painful crawl / The infant's motion was a crawl). Written sentences were presented, followed by four modifier-noun answer choices (one target and three foils). Healthy controls, though reliably better at literal than metaphor trials, comprehended both sentence conditions well. By contrast, participants with left-hemisphere neurodegeneration performed disproportionately poorly on metaphor comprehension. Anatomical analyses show relationships between metaphor accuracy and patient atrophy in the left middle and superior temporal gyri, and the left inferior frontal gyrus, areas that have been implicated in supporting metaphor comprehension in previous imaging research. The behavioral results also suggest deficits of metaphor comprehension may be a sensitive measure of cognitive dysfunction in some forms of neurodegenerative disease.
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Affiliation(s)
- Nathaniel Klooster
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Frontotemporal Degeneration Center, University of Pennsylvania, Philadelphia, PA, USA
| | - Marguerite McQuire
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Murray Grossman
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Frontotemporal Degeneration Center, University of Pennsylvania, Philadelphia, PA, USA
| | - Corey McMillan
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Frontotemporal Degeneration Center, University of Pennsylvania, Philadelphia, PA, USA
| | - Anjan Chatterjee
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Moss Rehabilitation Research Institute, Elkins Park, PA, USA
- Penn Center for Neuroaesthetics, University of Pennsylvania, Philadelphia, PA, USA
| | - Eileen Cardillo
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Penn Center for Neuroaesthetics, University of Pennsylvania, Philadelphia, PA, USA
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7
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Carrol G, Littlemore J. Resolving Figurative Expressions During Reading: The Role of Familiarity, Transparency, and Context. DISCOURSE PROCESSES 2020. [DOI: 10.1080/0163853x.2020.1729041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Gareth Carrol
- Department of English Language and Linguistics, University of Birmingham, Edgbaston, Birmingham, UK
| | - Jeannette Littlemore
- Department of English Language and Linguistics, University of Birmingham, Edgbaston, Birmingham, UK
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8
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Zucker L, Mudrik L. Understanding associative vs. abstract pictorial relations: An ERP study. Neuropsychologia 2019; 133:107127. [PMID: 31279832 DOI: 10.1016/j.neuropsychologia.2019.107127] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 05/31/2019] [Accepted: 06/18/2019] [Indexed: 02/02/2023]
Abstract
One of the most remarkable human abilities is extracting relations between objects, words or ideas - a process that underlies perception, learning and reasoning. Yet, perhaps due to its complexity, surprisingly little is known about the neural basis of this fundamental ability. Here, we examined EEG waveforms evoked by different types of relations, conveyed by pairs of images. Subjects were presented with the pairs, that were either associatively related, abstractly related or unrelated, and judged if they were related or not. Evidence for a gradual modulation of the amplitude of the N400 and late negativity was found, such that unrelated pairs elicited the most negative amplitude, followed by abstractly-related pairs and lastly associatively-related ones. However, this was confined to first encounter with the pairs, and a different, more dichotomous pattern was observed when the pairs were viewed for the second time. Then, no difference was found between associatively and abstractly related pairs, while both differed from unrelated pairs. Notably, when the pairs were sequentially presented, this pattern was found mostly in right electrodes, while it appeared both in left and right sites during simultaneous presentation of the pairs. This suggests that while two different mechanisms may be involved in generating predictions about an upcoming related/unrelated stimulus, online processing of associative and abstract semantic relations might be mediated by a single mechanism. Our results further support claims that the N400 component indexes multiple cognitive processes that overlap in time, yet not necessarily in neural generators.
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Affiliation(s)
- Leemor Zucker
- Sagol School for Neuroscience, Tel-Aviv University, Ramat Aviv, POB 39040, Tel Aviv, 69978, Israel
| | - Liad Mudrik
- Sagol School for Neuroscience, Tel-Aviv University, Ramat Aviv, POB 39040, Tel Aviv, 69978, Israel; School of Psychological Sciences, Tel-Aviv University, Ramat Aviv, POB 39040, Tel Aviv, 69978, Israel.
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9
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Kenett YN, Gold R, Faust M. Metaphor Comprehension in Low and High Creative Individuals. Front Psychol 2018; 9:482. [PMID: 29686639 PMCID: PMC5900434 DOI: 10.3389/fpsyg.2018.00482] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 03/22/2018] [Indexed: 12/02/2022] Open
Abstract
The comprehension of metaphors involves the ability to activate a broader, more flexible set of semantic associations in order to integrate the meanings of the weakly related parts of the metaphor into a meaningful linguistic expression. Previous findings point to a relation between levels of creativity and efficiency in processing metaphoric expressions, as measured by reaction times (RTs) and error rates. Furthermore, recent studies have found that more creative individuals exhibit a relatively more flexible semantic memory structure compared to less creative individuals, which may facilitate their comprehension of novel metaphors. In the present study, lower and higher creative individuals performed a semantic relatedness judgment task on word pairs. These word pairs comprised four types of semantic relations: novel metaphors, conventional metaphors, literal word pairs, and meaningless word pairs. We hypothesized that the two groups will perform similarly in comprehending the literal, unrelated, and the conventional metaphoric word pairs. However, with respect to novel metaphors, we predicted that higher creative individuals will demonstrate better performance compared to lower creative individuals, as indicated by smaller RTs and more accurate responses. Our main finding shows that higher creative individuals were faster in comprehending both types of metaphors, conventional and novel, compared to lower creative individuals. Furthermore, higher creative individuals were significantly more accurate than lower creative individual only in comprehending novel metaphors. The findings are discussed in light of previous findings regarding the relation between metaphor comprehension, semantic memory, and creativity.
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Affiliation(s)
- Yoed N Kenett
- Department of Psychology, University of Pennsylvania, Philadelphia, PA, United States.,The Leslie and Susan Gonda (Goldschmied) Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
| | - Rinat Gold
- Department of Communication Disorders, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Miriam Faust
- The Leslie and Susan Gonda (Goldschmied) Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel.,Department of Psychology, Bar-Ilan University, Ramat Gan, Israel
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10
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Briner SW, Schutzenhofer MC, Virtue SM. Hemispheric processing in conventional metaphor comprehension: The role of general knowledge. Neuropsychologia 2018; 114:101-109. [PMID: 29614252 DOI: 10.1016/j.neuropsychologia.2018.03.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 03/29/2018] [Accepted: 03/30/2018] [Indexed: 11/26/2022]
Abstract
This study explored the relation between general knowledge and the hemispheric processing of metaphoric expressions in college age students. We hypothesized that prior knowledge influences how the hemispheres process metaphors in these individuals. In this study, 97 young (college-aged) adults completed a general knowledge and vocabulary test, and were then divided into high-knowledge/high-vocabulary and low-knowledge/low-vocabulary groups. Next, participants viewed word pairs consisting of conventional metaphors, novel metaphors, word pairs with a literal meaning, and unrelated word pairs. The first word in each pair was presented centrally, and the second was presented to the right visual field-left hemisphere (rvf-LH) or the left visual field-right hemisphere (lvf-RH), and participants indicated whether each pair was a meaningful expression. Accuracy results showed an interaction between general knowledge and visual-field hemisphere. Low-knowledge participants were more accurate for metaphors presented to the rvf-LH than the lvf-RH, whereas high-knowledge participants showed no accuracy differences between the hemispheres. We also found an interaction between vocabulary and visual field-hemisphere for conventional metaphors. Specifically, low-vocabulary participants showed a left-hemisphere accuracy advantage, but high-vocabulary participants showed similar accuracy patterns in both hemispheres. These results suggest that young adult readers who have more general knowledge process conventional metaphors similarly in both hemispheres, whereas young adult readers who have less general knowledge may rely more heavily on left-hemisphere processes during conventional metaphor comprehension.
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11
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Diaz MT, Eppes A. Factors Influencing Right Hemisphere Engagement During Metaphor Comprehension. Front Psychol 2018; 9:414. [PMID: 29643825 PMCID: PMC5883147 DOI: 10.3389/fpsyg.2018.00414] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 03/13/2018] [Indexed: 11/13/2022] Open
Abstract
Although the left hemisphere is critical for language, clinical, behavioral, and neuroimaging research suggest that the right hemisphere also contributes to language comprehension. In particular, research has suggested that figurative language may be one type of language that preferentially engages right hemisphere regions. However, there is disagreement about whether these regions within the right hemisphere are sensitive to figurative language per se or to other factors that co-vary with figurativeness. In this article, we will review the neuroimaging literature on figurative language processing, focusing on metaphors, within the context of several theoretical perspectives that have been proposed about hemispheric function in language. Then we will examine three factors that may influence right hemisphere engagement: novelty, task difficulty, and context. We propose that factors that increase integration demands drive right hemisphere involvement in language processing, and that such recruitment is not limited to figurative language.
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Affiliation(s)
- Michele T Diaz
- Department of Psychology, Pennsylvania State University, University Park, PA, United States
| | - Anna Eppes
- Department of Psychology, Pennsylvania State University, University Park, PA, United States
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12
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Sulik J. Cognitive mechanisms for inferring the meaning of novel signals during symbolisation. PLoS One 2018; 13:e0189540. [PMID: 29337998 PMCID: PMC5770015 DOI: 10.1371/journal.pone.0189540] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 11/27/2017] [Indexed: 11/18/2022] Open
Abstract
As participants repeatedly interact using graphical signals (as in a game of Pictionary), the signals gradually shift from being iconic (or motivated) to being symbolic (or arbitrary). The aim here is to test experimentally whether this change in the form of the signal implies a concomitant shift in the inferential mechanisms needed to understand it. The results show that, during early, iconic stages, there is more reliance on creative inferential processes associated with insight problem solving, and that the recruitment of these cognitive mechanisms decreases over time. The variation in inferential mechanism is not predicted by the sign’s visual complexity or iconicity, but by its familiarity, and by the complexity of the relevant mental representations. The discussion explores implications for pragmatics, language evolution, and iconicity research.
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Affiliation(s)
- Justin Sulik
- Max Planck Institute for Psycholinguistics, Nijmegen, Netherlands
- Department of Psychology, Royal Holloway, University of London, London, United Kingdom
- * E-mail:
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13
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Saban-Bezalel R, Mashal N. Comprehension and Hemispheric Processing of Irony in Schizophrenia. Front Psychol 2017; 8:943. [PMID: 28659841 PMCID: PMC5468428 DOI: 10.3389/fpsyg.2017.00943] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Accepted: 05/22/2017] [Indexed: 11/13/2022] Open
Abstract
Studies focusing on the comprehension of figurative language among schizophrenia patients (SZ) reveal their difficulties comprehending such language and their tendency to interpret it literally. The present study investigated hemispheric processing and comprehension of irony in 16 SZ patients and 18 typically developing (TD) adults. Two experimental tasks were used: an online divided visual field experiment and an offline irony questionnaire. The results show an atypical reversal of hemispheric processing of irony in SZ patients as compared to TD adults. While the TD group demonstrated a right hemisphere advantage in processing irony, SZ patients demonstrated a left hemisphere advantage. Greater comprehension of irony was associated with decreased negative symptoms. In addition, under conditions that not involving a time restriction, the SZ patients’ performance improved. Our findings reinforce those of previous studies suggesting that brain lateralization is atypical in SZ patients.
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Affiliation(s)
| | - Nira Mashal
- The School of Education, Bar Ilan UniversityRamat Gan, Israel.,Gonda Multidisciplinary Brain Research Center, Bar Ilan UniversityRamat Gan, Israel
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14
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Saban-Bezalel R, Hess S, Dolfin D, Hermesh H, Vishne T, Mashal N. Hemispheric processing of idioms in schizophrenia and autism spectrum disorder. JOURNAL OF COGNITIVE PSYCHOLOGY 2017. [DOI: 10.1080/20445911.2017.1325893] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ronit Saban-Bezalel
- School of Education, Bar Ilan University, Ramat Gan, Israel
- School of Health Sciences, Ariel University, Ariel, Israel
| | - Shmuel Hess
- Geha Mental Health Center, Petah Tikva, Israel
| | - Dror Dolfin
- Geha Mental Health Center, Petah Tikva, Israel
| | - Hagai Hermesh
- Geha Mental Health Center, Petah Tikva, Israel
- Sackler Faculty of Medical, Tel Aviv University, Tel Aviv-Yafo, Israel
| | - Tali Vishne
- Mayanei Hayeshua Medical Center, Bnei Brak, Israel
| | - Nira Mashal
- Mayanei Hayeshua Medical Center, Bnei Brak, Israel
- Gonda Multidisciplinary Brain Research Center, Bar Ilan University, Ramat Gan, Israel
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15
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Saban-Bezalel R, Mashal N. Hemispheric Processing of Idioms and Irony in Adults With and Without Pervasive Developmental Disorder. J Autism Dev Disord 2016; 45:3496-508. [PMID: 26070277 DOI: 10.1007/s10803-015-2496-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Previous studies on individuals with pervasive developmental disorders (PDD) have pointed to difficulties in comprehension of figurative language. Using the divided visual field paradigm, the present study examined hemispheric processing of idioms and irony in 23 adults with PDD and in 24 typically developing (TD) adults. The results show that adults with PDD were relatively unimpaired in understanding figurative language. While the TD group demonstrated a right hemisphere advantage in processing the non-salient meanings of idioms as well as the ironic endings of paragraphs, the PDD group processed these stimuli bilaterally. Our findings suggest that brain lateralization is atypical in adults with PDD. Successful performance along with bilateral brain activation suggests that the PDD group uses a compensation mechanism.
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Affiliation(s)
| | - Nira Mashal
- The School of Education Bar Ilan University, 52900, Ramat Gan, Israel.
- Gonda Multidisciplinary Brain Research Center, Bar Ilan University, Ramat Gan, Israel.
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16
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Thompson HE, Henshall L, Jefferies E. The role of the right hemisphere in semantic control: A case-series comparison of right and left hemisphere stroke. Neuropsychologia 2016; 85:44-61. [PMID: 26945505 PMCID: PMC4863527 DOI: 10.1016/j.neuropsychologia.2016.02.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 02/28/2016] [Accepted: 02/29/2016] [Indexed: 11/30/2022]
Abstract
Semantic control processes guide conceptual retrieval so that we are able to focus on non-dominant associations and features when these are required for the task or context, yet the neural basis of semantic control is not fully understood. Neuroimaging studies have emphasised the role of left inferior frontal gyrus (IFG) in controlled retrieval, while neuropsychological investigations of semantic control deficits have almost exclusively focussed on patients with left-sided damage (e.g., patients with semantic aphasia, SA). Nevertheless, activation in fMRI during demanding semantic tasks typically extends to right IFG. To investigate the role of the right hemisphere (RH) in semantic control, we compared nine RH stroke patients with 21 left-hemisphere SA patients, 11 mild SA cases and 12 healthy, aged-matched controls on semantic and executive tasks, plus experimental tasks that manipulated semantic control in paradigms particularly sensitive to RH damage. RH patients had executive deficits to parallel SA patients but they performed well on standard semantic tests. Nevertheless, multimodal semantic control deficits were found in experimental tasks involving facial emotions and the 'summation' of meaning across multiple items. On these tasks, RH patients showed effects similar to those in SA cases - multimodal deficits that were sensitive to distractor strength and cues and miscues, plus increasingly poor performance in cyclical matching tasks which repeatedly probed the same set of concepts. Thus, despite striking differences in single-item comprehension, evidence presented here suggests semantic control is bilateral, and disruption of this component of semantic cognition can be seen following damage to either hemisphere.
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Affiliation(s)
- Hannah E Thompson
- Department of Psychology and York Neuroimaging Centre, University of York, UK.
| | - Lauren Henshall
- Department of Psychology and York Neuroimaging Centre, University of York, UK
| | - Elizabeth Jefferies
- Department of Psychology and York Neuroimaging Centre, University of York, UK
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17
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Gainotti G. Lower- and higher-level models of right hemisphere language. A selective survey. FUNCTIONAL NEUROLOGY 2016; 31:67-73. [PMID: 27358218 DOI: 10.11138/fneur/2016.31.2.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The models advanced to explain right hemisphere (RH) language function can be divided into two main types. According to the older (lower-level) models, RH language reflects the ontogenesis of conceptual and semantic-lexical development; the more recent models, on the other hand, suggest that the RH plays an important role in the use of higher-level language functions, such as metaphors, to convey complex, abstract concepts. The hypothesis that the RH may be preferentially involved in processing the semantic-lexical components of language was advanced by Zaidel in splitbrain patients and his model was confirmed by neuropsychological investigations, proving that right brain-damaged patients show selective semanticlexical disorders. The possible links between lower and higher levels of RH language are discussed, as is the hypothesis that the RH may have privileged access to the figurative aspects of novel metaphorical expressions, whereas conventionalization of metaphorical meaning could be a bilaterally-mediated process involving abstract semantic-lexical codes.
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18
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Metusalem R, Kutas M, Urbach TP, Elman JL. Hemispheric asymmetry in event knowledge activation during incremental language comprehension: A visual half-field ERP study. Neuropsychologia 2016; 84:252-71. [PMID: 26878980 DOI: 10.1016/j.neuropsychologia.2016.02.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 02/09/2016] [Accepted: 02/10/2016] [Indexed: 11/18/2022]
Abstract
During incremental language comprehension, the brain activates knowledge of described events, including knowledge elements that constitute semantic anomalies in their linguistic context. The present study investigates hemispheric asymmetries in this process, with the aim of advancing our understanding of the neural basis and functional properties of event knowledge activation during incremental comprehension. In a visual half-field event-related brain potential (ERP) experiment, participants read brief discourses in which the third sentence contained a word that was either highly expected, semantically anomalous but related to the described event (Event-Related), or semantically anomalous but unrelated to the described event (Event-Unrelated). For both visual fields of target word presentation, semantically anomalous words elicited N400 ERP components of greater amplitude than did expected words. Crucially, Event-Related anomalous words elicited a reduced N400 relative to Event-Unrelated anomalous words only with left visual field/right hemisphere presentation. This result suggests that right hemisphere processes are critical to the activation of event knowledge elements that violate the linguistic context, and in doing so informs existing theories of hemispheric asymmetries in semantic processing during language comprehension. Additionally, this finding coincides with past research suggesting a crucial role for the right hemisphere in elaborative inference generation, raises interesting questions regarding hemispheric coordination in generating event-specific linguistic expectancies, and more generally highlights the possibility of functional dissociation of event knowledge activation for the generation of elaborative inferences and for linguistic expectancies.
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Affiliation(s)
- Ross Metusalem
- Department of Cognitive Science, University of California, San Diego, United States.
| | - Marta Kutas
- Department of Cognitive Science, University of California, San Diego, United States; Department of Neurosciences, University of California, San Diego, United States
| | - Thomas P Urbach
- Department of Cognitive Science, University of California, San Diego, United States
| | - Jeffrey L Elman
- Department of Cognitive Science, University of California, San Diego, United States
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Pritchett LK, Vaid J, Tosun S. Of black sheep and white crows: Extending the bilingual dual coding theory to memory for idioms. COGENT PSYCHOLOGY 2016. [DOI: 10.1080/23311908.2015.1135512] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Lena K. Pritchett
- Department of Psychology, Texas A&M University, College Station, TX, USA
| | - Jyotsna Vaid
- Department of Psychology, Texas A&M University, College Station, TX, USA
| | - Sumeyra Tosun
- Department of Psychology, Süleyman Şah University, Fatih Mh Eski Ankara Asfalti Uzeri No. 28 Orhanli, Tuzla Istanbul 34956, Turkey
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20
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Segal D, Mashal N, Shalev L. Semantic conflicts are resolved differently by adults with and without ADHD. RESEARCH IN DEVELOPMENTAL DISABILITIES 2015; 47:416-429. [PMID: 26513742 DOI: 10.1016/j.ridd.2015.09.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 09/19/2015] [Accepted: 09/28/2015] [Indexed: 06/05/2023]
Abstract
Attention Deficit/Hyperactivity Disorder (ADHD) is a common neurobehavioral disorder characterized by various behavioral and cognitive difficulties. Previous studies indicated that children with ADHD have language difficulties, including difficulties in metaphor understanding but the relation between metaphor processing and specific cognitive functions needs further investigation. In the current study we examined how adults with and without ADHD resolve semantic conflicts between a metaphorical prime and a metaphorical or literal target sentence. Twenty-six adults with ADHD and 24 age-matched control participants underwent a thorough evaluation of neuropsychological skills, as well as assessment of various aspects of attention. Results suggested that people with ADHD were less efficient than controls in resolving conflicts between metaphorical and literal meanings of sentence pairs. In addition they showed deficient sustained attention and executive attention. Moreover, the ability to resolve semantic conflicts was related to semantic fluency in the ADHD group, but to executive attention in the control group. These findings emphasize the various specific difficulties of adults with ADHD and shed light on the different role of attention in the resolution of semantic conflicts among ADHD individuals as compared to controls.
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Affiliation(s)
- Dorit Segal
- School of Education, The Hebrew University of Jerusalem, Jerusalem, Israel.
| | - Nira Mashal
- School of Education and Gonda Multidisciplinary Brain Research Center, Bar Ilan University, Ramat Gan, Israel.
| | - Lilach Shalev
- School of Education and School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.
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21
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Saban-Bezalel R, Mashal N. The effects of intervention on the comprehension of irony and on hemispheric processing of irony in adults with ASD. Neuropsychologia 2015; 77:233-41. [DOI: 10.1016/j.neuropsychologia.2015.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 08/22/2015] [Accepted: 09/03/2015] [Indexed: 01/04/2023]
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Columbus G, Sheikh NA, Côté-Lecaldare M, Häuser K, Baum SR, Titone D. Individual differences in executive control relate to metaphor processing: an eye movement study of sentence reading. Front Hum Neurosci 2015; 8:1057. [PMID: 25628557 PMCID: PMC4292575 DOI: 10.3389/fnhum.2014.01057] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 12/18/2014] [Indexed: 12/04/2022] Open
Abstract
Metaphors are common elements of language that allow us to creatively stretch the limits of word meaning. However, metaphors vary in their degree of novelty, which determines whether people must create new meanings on-line or retrieve previously known metaphorical meanings from memory. Such variations affect the degree to which general cognitive capacities such as executive control are required for successful comprehension. We investigated whether individual differences in executive control relate to metaphor processing using eye movement measures of reading. Thirty-nine participants read sentences including metaphors or idioms, another form of figurative language that is more likely to rely on meaning retrieval. They also completed the AX-CPT, a domain-general executive control task. In Experiment 1, we examined sentences containing metaphorical or literal uses of verbs, presented with or without prior context. In Experiment 2, we examined sentences containing idioms or literal phrases for the same participants to determine whether the link to executive control was qualitatively similar or different to Experiment 1. When metaphors were low familiar, all people read verbs used as metaphors more slowly than verbs used literally (this difference was smaller for high familiar metaphors). Executive control capacity modulated this pattern in that high executive control readers spent more time reading verbs when a prior context forced a particular interpretation (metaphorical or literal), and they had faster total metaphor reading times when there was a prior context. Interestingly, executive control did not relate to idiom processing for the same readers. Here, all readers had faster total reading times for high familiar idioms than literal phrases. Thus, executive control relates to metaphor but not idiom processing for these readers, and for the particular metaphor and idiom reading manipulations presented.
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Affiliation(s)
- Georgie Columbus
- Department of Psychology, McGill University Montreal, QC, Canada ; Centre for Research on Brain, Language, and Music, McGill University Montreal, QC, Canada
| | - Naveed A Sheikh
- Department of Psychology, McGill University Montreal, QC, Canada ; Centre for Research on Brain, Language, and Music, McGill University Montreal, QC, Canada
| | | | - Katja Häuser
- Centre for Research on Brain, Language, and Music, McGill University Montreal, QC, Canada ; School of Communication Sciences and Disorders, McGill University Montreal, QC, Canada
| | - Shari R Baum
- Centre for Research on Brain, Language, and Music, McGill University Montreal, QC, Canada ; School of Communication Sciences and Disorders, McGill University Montreal, QC, Canada
| | - Debra Titone
- Department of Psychology, McGill University Montreal, QC, Canada ; Centre for Research on Brain, Language, and Music, McGill University Montreal, QC, Canada
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23
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Mashal N, Vishne T, Laor N. The role of the precuneus in metaphor comprehension: evidence from an fMRI study in people with schizophrenia and healthy participants. Front Hum Neurosci 2014; 8:818. [PMID: 25360101 PMCID: PMC4199320 DOI: 10.3389/fnhum.2014.00818] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 09/24/2014] [Indexed: 11/26/2022] Open
Abstract
Comprehension of conventional and novel metaphors involves traditional language-related cortical regions as well as non-language related regions. While semantic processing is crucial for understanding metaphors, it is not sufficient. Recently the precuneus has been identified as a region that mediates complex and highly integrated tasks, including retrieval of episodic memory and mental imagery. Although the understanding of non-literal language is relatively easy for healthy individuals, people with schizophrenia exhibit deficits in this domain. The present study aims to examine whether people with schizophrenia differentially recruit the precuneus, extending to the superior parietal (SP) cortex (SPL), to support their deficit in metaphor comprehension. We also examine interregional associations between the precuneus/SPL and language-related brain regions. Twelve people with schizophrenia and twelve healthy controls were scanned while silently reading literal word pairs, conventional metaphors, and novel metaphors. People with schizophrenia showed reduced comprehension of both conventional and novel metaphors. Analysis of functional connectivity found that the correlations between activation in the left precuneus/SPL and activation in the left posterior superior temporal sulcus (PSTS) were significant for both literal word pairs and novel metaphors, and significant correlations were found between activation in the right precuneus/SPL and activation in the right PSTS for the three types of semantic relations. These results were found in the schizophrenia group alone. Furthermore, relative to controls, people with schizophrenia demonstrated increased activation in the right precuneus/SPL. Our results may suggest that individuals with schizophrenia use mental imagery to support comprehension of both literal and metaphoric language. In particular, our findings indicate over-integration of language and non-language brain regions during more effortful processes of novel metaphor comprehension.
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Affiliation(s)
- Nira Mashal
- School of Education, Bar-Ilan University Ramat-Gan, Israel ; Multidisciplinary Brain Research Center, Bar-Ilan University Ramat-Gan, Israel
| | - Tali Vishne
- Tel Aviv-Brull Community Mental Health Center Tel Aviv, Israel
| | - Nathaniel Laor
- Tel Aviv-Brull Community Mental Health Center Tel Aviv, Israel ; Child Study Center, Yale University New Haven, CT, USA
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24
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Obert A, Gierski F, Calmus A, Portefaix C, Declercq C, Pierot L, Caillies S. Differential bilateral involvement of the parietal gyrus during predicative metaphor processing: an auditory fMRI study. BRAIN AND LANGUAGE 2014; 137:112-119. [PMID: 25193417 DOI: 10.1016/j.bandl.2014.08.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Revised: 07/24/2014] [Accepted: 08/01/2014] [Indexed: 06/03/2023]
Abstract
Despite the growing literature on figurative language processing, there is still debate as to which cognitive processes and neural bases are involved. Furthermore, most studies have focused on nominal metaphor processing without any context, and very few have used auditory presentation. We therefore investigated the neural bases of the comprehension of predicative metaphors presented in a brief context, in an auditory, ecological way. The comprehension of their literal counterparts served as a control condition. We also investigated the link between working memory and verbal skills and regional activation. Comparisons of metaphorical and literal conditions revealed bilateral activation of parietal areas including the left angular (lAG) and right inferior parietal gyri (rIPG) and right precuneus. Only verbal skills were associated with lAG (but not rIPG) activation. These results indicated that predicative metaphor comprehension share common activations with other metaphors. Furthermore, individual verbal skills could have an impact on figurative language processing.
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Affiliation(s)
- Alexandre Obert
- C2S Laboratory (EA6291), University of Reims Champagne-Ardenne, Reims, France.
| | - Fabien Gierski
- C2S Laboratory (EA6291), University of Reims Champagne-Ardenne, Reims, France; Adult Psychiatry Department, Robert Debré Hospital, Reims University Hospital, Reims, France
| | - Arnaud Calmus
- C2S Laboratory (EA6291), University of Reims Champagne-Ardenne, Reims, France; Department of Physical Medicine and Rehabilitation, Sébastopol Hospital, Reims University Hospital, Reims, France
| | - Christophe Portefaix
- Imaging Department, Maison Blanche Hospital, Reims University Hospital, Reims, France; CReSTIC Laboratory (EA 3804), University of Reims Champagne-Ardenne, Reims, France
| | - Christelle Declercq
- C2S Laboratory (EA6291), University of Reims Champagne-Ardenne, Reims, France
| | - Laurent Pierot
- Imaging Department, Maison Blanche Hospital, Reims University Hospital, Reims, France
| | - Stéphanie Caillies
- C2S Laboratory (EA6291), University of Reims Champagne-Ardenne, Reims, France
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25
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Mossaheb N, Aschauer HN, Stoettner S, Schmoeger M, Pils N, Raab M, Willinger U. Comprehension of metaphors in patients with schizophrenia-spectrum disorders. Compr Psychiatry 2014; 55:928-37. [PMID: 24556517 DOI: 10.1016/j.comppsych.2013.12.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 11/29/2013] [Accepted: 12/31/2013] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Metaphors, mainly proverbs and idiomatic expressions of ordinary life are commonly used as a model for concretism. Previous studies have shown impaired metaphor comprehension in patients with schizophrenia-spectrum disorders compared to either psychiatric or non-psychiatric control subject. The aim of this study was to detect possible quantitative differences in figurative processing between patients with schizophrenia-spectrum disorders and healthy controls. METHODS In order to analyse possible dissociations of different aspects of figurative speech, a range of metaphor tasks was used to distinguish between recognition of familiar metaphors, paraphrasing the meaning of the latter and generating novel metaphors: we used a standard proverb test for conventional metaphors consisting of a multiple-choice and a paraphrasing task, and the Metaphoric Triads Test for the assessment of novel metaphors. We included 40 patients with schizophrenia-spectrum disorders and 43 healthy control subjects. RESULTS Our results showed that patients had impaired figurative speech processing regarding novel and conventional metaphors. Associations with cognitive functions were detected. Performance on the paraphrasing task was associated with the severity of negative symptoms. CONCLUSION We conclude that patients with schizophrenia-spectrum disorders do exhibit impairments in the recognition and paraphrasing of conventional and the generation of novel metaphors and that some cognitive domains as well the extent of negative symptoms might be associated with these deficits.
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Affiliation(s)
- Nilufar Mossaheb
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University Vienna, Austria; Department of Psychiatry and Psychotherapy, Division of Biological Psychiatry, Medical University Vienna, Austria.
| | - Harald N Aschauer
- Department of Psychiatry and Psychotherapy, Division of Biological Psychiatry, Medical University Vienna, Austria
| | | | | | - Nicole Pils
- Department of Neurology, Medical University Vienna, Austria; Landesklinikum Thermenregion Baden, Department of Psychiatry and Psychotherapeutic medicine, Baden bei Wien, Austria
| | - Monika Raab
- Department of Neurology, Medical University Vienna, Austria; SMZ Baumgartner Hoehe, Otto Wagner Hospital, Department of Substance abuse, Vienna, Austria
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26
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Kavé G, Gavrieli R, Mashal N. Stronger left-hemisphere lateralization in older versus younger adults while processing conventional metaphors. Laterality 2014; 19:705-17. [PMID: 24708103 DOI: 10.1080/1357650x.2014.905584] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Thirty younger (age 20-30) and 30 older (age 69-85) right-handed Hebrew speakers performed a semantic judgement task while processing literal word pairs and conventional metaphors, presented in the divided visual field paradigm. Older adults responded more accurately to conventional metaphors in the right visual field/left hemisphere versus the left visual field/right hemisphere, whereas younger adults showed no lateralization. Vocabulary scores cancelled group differences in lateralization. An additional lexical decision task replicated the main finding of left-hemisphere lateralization in older but not in younger participants. We suggest that accumulated knowledge increases left-hemisphere lateralization on tasks of language comprehension in older relative to younger adults.
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Affiliation(s)
- Gitit Kavé
- a Department of Education and Psychology , The Open University , Ra'anana 43537 , Israel
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27
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Lai VT, Curran T. ERP evidence for conceptual mappings and comparison processes during the comprehension of conventional and novel metaphors. BRAIN AND LANGUAGE 2013; 127:484-496. [PMID: 24182839 DOI: 10.1016/j.bandl.2013.09.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 08/24/2013] [Accepted: 09/30/2013] [Indexed: 06/02/2023]
Abstract
Cognitive linguists suggest that understanding metaphors requires activation of conceptual mappings between the involved concepts. We tested whether mappings are indeed in use during metaphor comprehension, and what mapping means as a cognitive process with Event-Related Potentials. Participants read literal, conventional metaphorical, novel metaphorical, and anomalous target sentences preceded by primes with related or unrelated mappings. Experiment 1 used sentence-primes to activate related mappings, and Experiment 2 used simile-primes to induce comparison thinking. In the unprimed conditions of both experiments, metaphors elicited N400s more negative than the literals. In Experiment 1, related sentence-primes reduced the metaphor-literal N400 difference in conventional, but not in novel metaphors. In Experiment 2, related simile-primes reduced the metaphor-literal N400 difference in novel, but not clearly in conventional metaphors. We suggest that mapping as a process occurs in metaphors, and the ways in which it can be facilitated by comparison differ between conventional and novel metaphors.
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Affiliation(s)
- Vicky Tzuyin Lai
- Neurobiology of Language Department, Max Planck Institute for Psycholinguistics, Nijmegen; Department of Psychology, University of South Carolina, Columbia.
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28
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Subramaniam K, Beeman M, Faust M, Mashal N. Positively valenced stimuli facilitate creative novel metaphoric processes by enhancing medial prefrontal cortical activation. Front Psychol 2013; 4:211. [PMID: 23637686 PMCID: PMC3636463 DOI: 10.3389/fpsyg.2013.00211] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 04/06/2013] [Indexed: 11/16/2022] Open
Abstract
A metaphor is a figure of speech in which a subject is symbolic of another unrelated object. In the present study, we examined neural patterns associated with both novel unfamiliar and conventional familiar metaphoric processing, and how these patterns are modulated by affective valence. Prior to fMRI scanning, participants received a list of word pairs (novel unfamiliar metaphors as well as conventional familiar metaphors) and were asked to denote the valence (positive, negative, or neutral) of each word pair. During scanning, participants had to decide whether the word pairs formed meaningful or meaningless expressions. Results indicate that participants were faster and more accurate at deciding that positively valenced metaphors were meaningful compared to neutral metaphors. These behavioral findings were accompanied by increased activation in the medial prefrontal cortex (mPFC), posterior cingulate cortex (PCC), and the right inferior parietal lobe (RIPL). Specifically, positively valenced novel unfamiliar metaphors elicited activation in these brain regions in addition to the left superior temporal gyrus when compared to neutral novel metaphors. We also found that the mPFC and PCC mediated the processing of positively valenced metaphors when compared to negatively valenced metaphors. Positively valenced conventional metaphors, however, elicited different neural signatures when contrasted with either neutral or negatively valenced conventional metaphors. Together, our results indicate that positively valenced stimuli facilitate creative metaphoric processes (specifically novel metaphoric processes) by mediating attention and cognitive control processes required for the access, integration, and selection of semantic associations via modulation of the mPFC. The present study is important for the development of neural accounts of emotion-cognition interactions required for creativity, language, and successful social functioning in general.
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Affiliation(s)
- Karuna Subramaniam
- Department of Psychiatry, University of California San Francisco San Francisco, CA, USA
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29
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Hughes AJ, Rutherford BJ. Hemispheric interaction, task complexity, and emotional valence: evidence from naturalistic images. Brain Cogn 2012; 81:167-75. [PMID: 23262171 DOI: 10.1016/j.bandc.2012.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 10/24/2012] [Accepted: 11/12/2012] [Indexed: 10/27/2022]
Abstract
Two experiments extend the ecological validity of tests of hemispheric interaction in three novel ways. First, we present a broad class of naturalistic stimuli that have not yet been used in tests of hemispheric interaction. Second, we test whether probable differences in complexity within the class of stimuli are supported by outcomes from measures of hemispheric interaction. Third, we use a procedure that presents target stimuli at fixation rather than at a lateralized location in order to more closely approximate normal viewing behavior. Images of positive or negative valence were presented with a lateralized distractor or no distractor at all. Response time and accuracy to determine whether an image was pleasant or unpleasant was measured. Results found that positive images were more quickly and accurately processed by the left hemisphere alone, while negative images were more quickly processed when the hemispheres interacted, and were more accurately processed when the hemispheres interacted than the left hemisphere alone. The findings support the idea that hemispheric interaction costs the performance of a simple task and benefits the performance of a complex task, and that the respective cost or gain is mediated by the pattern of laterality for emotional processing.
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30
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Rapp AM, Mutschler DE, Erb M. Where in the brain is nonliteral language? A coordinate-based meta-analysis of functional magnetic resonance imaging studies. Neuroimage 2012; 63:600-10. [PMID: 22759997 DOI: 10.1016/j.neuroimage.2012.06.022] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2011] [Revised: 06/15/2012] [Accepted: 06/18/2012] [Indexed: 12/14/2022] Open
Affiliation(s)
- Alexander M Rapp
- Department of Psychiatry, University of Tuebingen, Calwerstrasse 14, 72076 Tuebingen, Germany.
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31
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Subramaniam K, Faust M, Beeman M, Mashal N. The Repetition Paradigm: Enhancement of novel metaphors and suppression of conventional metaphors in the left inferior parietal lobe. Neuropsychologia 2012; 50:2705-2719. [DOI: 10.1016/j.neuropsychologia.2012.07.020] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Revised: 06/07/2012] [Accepted: 07/10/2012] [Indexed: 11/27/2022]
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32
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Yang J. The role of the right hemisphere in metaphor comprehension: a meta-analysis of functional magnetic resonance imaging studies. Hum Brain Mapp 2012; 35:107-22. [PMID: 22936560 DOI: 10.1002/hbm.22160] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2011] [Revised: 06/12/2012] [Accepted: 06/13/2012] [Indexed: 11/11/2022] Open
Abstract
The role of the right hemisphere (RH) in metaphor comprehension is still controversial. Numerous neuroimaging studies have found that conventionality, sentential context, and task demand can influence the involvement of the RH in metaphor processing. The current meta-analysis used foci from 17 original functional magnetic resonance imaging studies to identify what factors modulate the involvement of the RH in metaphor processing. Activation likelihood estimation was used for quantification. We focused on the contrast of metaphorical meaning processing versus literal meaning processing and calculated the meta-analysis effects when (1) metaphorical meaning is conventional, (2) metaphorical meaning is novel, (3) metaphorical and literal meaning are presented in words, (4) metaphorical and literal meaning are presented in sentential context, (5) task is valence judgment, and (6) task is semantic relatedness judgment. The results indicated that the RH only showed significant effects in metaphor processing when the metaphorical meaning is novel, when metaphorical meaning is presented in sentential context, and when the task is semantic relatedness judgment. The effects were located in right fronto-temporal regions, including inferior frontal gyrus, middle frontal gyrus, insula, superior temporal gyrus, and middle temporal gyrus. These results suggest that conventionality, contextual complexity, and task demand can modulate the effect of figurativeness and influence the involvement of RH in metaphor comprehension. The main role of the RH in metaphor processing is related with activating broad semantic fields and integrating concepts that may have distant semantic relations, and hence provide support for the view that the RH is responsible for processing coarse semantic information in language comprehension.
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Affiliation(s)
- Jie Yang
- Sackler Institute for Developmental Psychobiology, Weill Medical College of Cornell University, New York, New York
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Rutherford BJ, Mathesius JR. The brain's hemispheres and controlled search of the lexicon: evidence from fixated words and pseudowords. Brain Cogn 2012; 79:188-99. [PMID: 22542843 DOI: 10.1016/j.bandc.2012.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Revised: 11/06/2011] [Accepted: 03/01/2012] [Indexed: 10/28/2022]
Abstract
Difference between the brain's hemispheres in efficiency of intentional search of the mental lexicon with phonological, orthographic, and semantic strategies was investigated. Letter strings for lexical decision were presented at fixation, with a lateralized distractor to the LVF or RVF. Word results revealed that both hemispheres were capable of using each of the three strategies, but the right hemisphere had better baseline processing of orthography and was better at processing semantics. Pseudoword results supported the right hemisphere advantage for orthography and showed a left hemisphere advantage for phonology and assessment of possible semantic relationships. Taken together, the data support the idea that the right hemisphere uses orthography to make efficient decisions about novelty of an item, while the left engages in grapheme-to-phoneme conversion to test hypotheses about unfamiliar items. The convergence of data with previous research reveals that the procedure, as well as analyses of pseudowords, inform laterality research.
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Affiliation(s)
- Barbara J Rutherford
- Psychology Department, University of British Columbia, Okanagan, Kelowna, British Columbia, Canada.
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Prat CS, Mason RA, Just MA. An fMRI investigation of analogical mapping in metaphor comprehension: the influence of context and individual cognitive capacities on processing demands. J Exp Psychol Learn Mem Cogn 2011; 38:282-94. [PMID: 22122242 DOI: 10.1037/a0026037] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This study used fMRI to investigate the neural correlates of analogical mapping during metaphor comprehension, with a focus on dynamic configuration of neural networks with changing processing demands and individual abilities. Participants with varying vocabulary sizes and working memory capacities read 3-sentence passages ending in nominal critical utterances of the form "X is a Y." Processing demands were manipulated by varying preceding contexts. Three figurative conditions manipulated difficulty by varying the extent to which preceding contexts mentioned relevant semantic features for relating the vehicle and topic of the critical utterance to one another. In the easy condition, supporting information was mentioned. In the neutral condition, no relevant information was mentioned. In the most difficult condition, opposite features were mentioned, resulting in an ironic interpretation of the critical utterance. A fourth, literal condition included context that supported a literal interpretation of the critical utterance. Activation in lateral and medial frontal regions increased with increasing contextual difficulty. Lower vocabulary readers also had greater activation across conditions in the right inferior frontal gyrus. In addition, volumetric analyses showed increased right temporo-parietal junction and superior medial frontal activation for all figurative conditions over the literal condition. The results from this experiment imply that the cortical regions are dynamically recruited in language comprehension as a function of the processing demands of a task. Individual differences in cognitive capacities were also associated with differences in recruitment and modulation of working memory and executive function regions, highlighting the overlapping computations in metaphor comprehension and general thinking and reasoning.
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Affiliation(s)
- Chantel S Prat
- University of Washington, Department of Psychology and Institute for Learning and Brain Sciences, USA.
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Chettih S, Durgin FH, Grodner DJ. Mixing metaphors in the cerebral hemispheres: what happens when careers collide? J Exp Psychol Learn Mem Cogn 2011; 38:295-311. [PMID: 22103787 DOI: 10.1037/a0025862] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Are processes of figurative comparison and figurative categorization different? An experiment combining alternative-sense and matched-sense metaphor priming with a divided visual field assessment technique sought to isolate processes of comparison and categorization in the 2 cerebral hemispheres. For target metaphors presented in the right visual field/left cerebral hemisphere (RVF/LH), only matched-sense primes were facilitative. Literal primes and alternative-sense primes had no effect on comprehension time compared to the unprimed baseline. The effects of matched-sense primes were additive with the rated conventionality of the targets. For target metaphors presented to the left visual field/right cerebral hemisphere (LVF/RH), matched-sense primes were again additively facilitative. However, alternative-sense primes, though facilitative overall, seemed to eliminate the preexisting advantages of conventional target metaphor senses in the LVF/RH in favor of metaphoric senses similar to those of the primes. These findings are consistent with tightly controlled categorical coding in the LH and coarse, flexible, context-dependent coding in the RH.
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Affiliation(s)
- Selmaan Chettih
- Department of Psychology, Swarthmore College, 500 College Avenue, Swarthmore, PA 19081, USA
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Decomposing metaphor processing at the cognitive and neural level through functional magnetic resonance imaging. Brain Res Bull 2011; 86:203-16. [DOI: 10.1016/j.brainresbull.2011.07.015] [Citation(s) in RCA: 97] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Revised: 07/15/2011] [Accepted: 07/15/2011] [Indexed: 11/20/2022]
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Mashal N, Gavrieli R, Kavé G. Age-related changes in the appreciation of novel metaphoric semantic relations. AGING NEUROPSYCHOLOGY AND COGNITION 2011; 18:527-43. [PMID: 21819177 DOI: 10.1080/13825585.2011.575202] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
In the present study we tested the possibility that older adults differ from younger adults in their appreciation of metaphoric semantic relations, and that age-related changes occur due to the perception of novel metaphors. In the first experiment 35 younger (mean age?=?23.1) and 35 older adults (mean age?=?75.3) were asked to rate the plausibility of metaphoric, literal, and unrelated word pairs. Relative to young participants, older participants rated fewer expressions as metaphorically plausible. The second experiment was conducted to examine whether the findings of the first experiment could be accounted for by an age-associated difference in the appreciation of metaphors with different levels of familiarity. In the second experiment, 25 younger (mean age?=?24.4) and 25 older adults (mean age?=?77.5) were asked to rate the familiarity level of the plausible metaphoric expressions. Relative to young participants, older participants rated fewer expressions as novel and more expressions as familiar. The results suggest that novelty plays an important role in appreciating the plausibility of semantic relationships, and age-related changes are associated with the appreciation of the novelty of expressions.
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Affiliation(s)
- Nira Mashal
- Department of Education, Bar-Ilan University, Ramat-Gan, Israel.
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Abstract
Metaphors are a fundamental aspect of human cognition. The major neuropsychological hypothesis that metaphoric processing relies primarily on the right hemisphere is not confirmed consistently. We propose ways to advance our understanding of the neuropsychology of metaphor that go beyond simple laterality. Neuropsychological studies need to more carefully control confounding lexical and sentential factors, and consider the role of different parts of speech as they are extended metaphorically. They need to incorporate recent theoretical frameworks such as the career of metaphor theory, and address factors such as novelty. We also advocate the use of new methods such as voxel-based lesion-symptom mapping, which permits precise and formal tests of hypotheses correlating behavior with lesions sites. Finally, we outline a plausible model for the neural basis of metaphor. (JINS, 2009, 16, 1-5.).
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