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Bechtold L, Cosper SH, Malyshevskaya A, Montefinese M, Morucci P, Niccolai V, Repetto C, Zappa A, Shtyrov Y. Brain Signatures of Embodied Semantics and Language: A Consensus Paper. J Cogn 2023; 6:61. [PMID: 37841669 PMCID: PMC10573703 DOI: 10.5334/joc.237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 07/29/2022] [Indexed: 10/17/2023] Open
Abstract
According to embodied theories (including embodied, embedded, extended, enacted, situated, and grounded approaches to cognition), language representation is intrinsically linked to our interactions with the world around us, which is reflected in specific brain signatures during language processing and learning. Moving on from the original rivalry of embodied vs. amodal theories, this consensus paper addresses a series of carefully selected questions that aim at determining when and how rather than whether motor and perceptual processes are involved in language processes. We cover a wide range of research areas, from the neurophysiological signatures of embodied semantics, e.g., event-related potentials and fields as well as neural oscillations, to semantic processing and semantic priming effects on concrete and abstract words, to first and second language learning and, finally, the use of virtual reality for examining embodied semantics. Our common aim is to better understand the role of motor and perceptual processes in language representation as indexed by language comprehension and learning. We come to the consensus that, based on seminal research conducted in the field, future directions now call for enhancing the external validity of findings by acknowledging the multimodality, multidimensionality, flexibility and idiosyncrasy of embodied and situated language and semantic processes.
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Affiliation(s)
- Laura Bechtold
- Institute for Experimental Psychology, Department for Biological Psychology, Heinrich-Heine University Düsseldorf, Germany
| | - Samuel H. Cosper
- Institute of Cognitive Science, University of Osnabrück, Germany
| | - Anastasia Malyshevskaya
- Centre for Cognition and Decision making, Institute for Cognitive Neuroscience, HSE University, Russian Federation
- Potsdam Embodied Cognition Group, Cognitive Sciences, University of Potsdam, Germany
| | | | | | - Valentina Niccolai
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Germany
| | - Claudia Repetto
- Department of Psychology, Università Cattolica del Sacro Cuore, Milan, Italy
| | - Ana Zappa
- Laboratoire parole et langage, Aix-Marseille Université, Aix-en-Provence, France
| | - Yury Shtyrov
- Centre for Cognition and Decision making, Institute for Cognitive Neuroscience, HSE University, Russian Federation
- Center of Functionally Integrative Neuroscience, Department of Clinical Medicine, Aarhus University, Denmark
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Zhang Y, Mirman D, Hoffman P. Taxonomic and thematic relations rely on different types of semantic features: Evidence from an fMRI meta-analysis and a semantic priming study. BRAIN AND LANGUAGE 2023; 242:105287. [PMID: 37263104 DOI: 10.1016/j.bandl.2023.105287] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/20/2023] [Accepted: 05/17/2023] [Indexed: 06/03/2023]
Abstract
Taxonomic and thematic relations are major components of semantic representation but their neurocognitive underpinnings are still debated. We hypothesised that taxonomic relations preferentially activate parts of anterior temporal lobe (ATL) because they rely more on colour and shape features, while thematic relations preferentially activate temporoparietal cortex (TPC) because they rely more on action and location knowledge. We first conducted activation likelihood estimation (ALE) meta-analysis to assess evidence for neural specialisation in the existing fMRI literature (Study 1), then used a primed semantic judgement task to examine if the two relations are primed by different feature types (Study 2). We find that taxonomic relations show minimal feature-based specialisation but preferentially activate the lingual gyrus. Thematic relations are more dependent on action and location features and preferentially engage TPC. The meta-analysis also showed that lateral ATL is preferentially engaged by Thematic relations, which may reflect their greater reliance on verbal associations.
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Affiliation(s)
- Yueyang Zhang
- School of Philosophy, Psychology & Language Sciences, University of Edinburgh, UK
| | - Daniel Mirman
- School of Philosophy, Psychology & Language Sciences, University of Edinburgh, UK
| | - Paul Hoffman
- School of Philosophy, Psychology & Language Sciences, University of Edinburgh, UK.
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McCrae JP, Fransen T, Ahmadi S, Buitelaar P, Goswami K. Toward an Integrative Approach for Making Sense Distinctions. Front Artif Intell 2022; 5:745626. [PMID: 35198970 PMCID: PMC8859323 DOI: 10.3389/frai.2022.745626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 01/11/2022] [Indexed: 11/29/2022] Open
Abstract
Word senses are the fundamental unit of description in lexicography, yet it is rarely the case that different dictionaries reach any agreement on the number and definition of senses in a language. With the recent rise in natural language processing and other computational approaches there is an increasing demand for quantitatively validated sense catalogues of words, yet no consensus methodology exists. In this paper, we look at four main approaches to making sense distinctions: formal, cognitive, distributional, and intercultural and examine the strengths and weaknesses of each approach. We then consider how these may be combined into a single sound methodology. We illustrate this by examining two English words, “wing” and “fish,” using existing resources for each of these four approaches and illustrate the weaknesses of each. We then look at the impact of such an integrated method and provide some future perspectives on the research that is necessary to reach a principled method for making sense distinctions.
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Briggs RG, Lin YH, Dadario NB, Kim SJ, Young IM, Bai MY, Dhanaraj V, Fonseka RD, Hormovas J, Tanglay O, Chakraborty AR, Milligan TM, Abraham CJ, Anderson CD, Palejwala AH, Conner AK, O'Donoghue DL, Sughrue ME. Anatomy and White Matter Connections of the Middle Frontal Gyrus. World Neurosurg 2021; 150:e520-e529. [PMID: 33744423 DOI: 10.1016/j.wneu.2021.03.045] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND The middle frontal gyrus (MFG) is involved in attention, working memory, and language-related processing. A detailed understanding of the subcortical white matter tracts connected within the MFG can facilitate improved navigation of white matter lesions in and around this gyrus and explain the postoperative morbidity after surgery. We aimed to characterize the fiber tracts within the MFG according to their connection to neuroanatomic structures through the use of diffusion spectrum imaging-based fiber tractography and validate the findings by gross anatomic dissection for qualitative visual agreement. METHODS Tractography analysis was completed using diffusion imaging data from 10 healthy, adult subjects enrolled in the Human Connectome Project. We assessed the MFG as a whole component according to its fiber connectivity with other neural regions. Mapping was completed on all tracts within both hemispheres, with the resultant tract volumes used to calculate a lateralization index. A modified Klingler technique was used on 10 postmortem dissections to demonstrate the location and orientation of the major tracts. RESULTS Two major connections of the MFG were identified: the superior longitudinal fasciculus, which connects the MFG to parts of the inferior parietal lobule, posterior temporal lobe, and lateral occipital cortex; and the inferior fronto-occipital fasciculus, which connected the MFG to the lingual gyrus and cuneus. Intra- and intergyral short association, U-shaped fibers were also identified. CONCLUSIONS Subcortical white matter pathways integrated within the MFG include the superior longitudinal fasciculus and inferior fronto-occipital fasciculus. The MFG is implicated in a variety of tasks involving attention and memory, making it an important cortical region. The postoperative neurologic outcomes related to surgery in and around the MFG could be clarified in the context of the anatomy of the fiber bundles highlighted in the present study.
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Affiliation(s)
- Robert G Briggs
- Department of Neurosurgery, University of Southern California, Los Angeles, California, USA
| | - Yueh-Hsin Lin
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Nicholas B Dadario
- Rutgers Robert Wood Johnson School of Medicine, Rutgers University, New Brunswick, New Jersey, USA
| | - Sihyong J Kim
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Isabella M Young
- Cingulum Research, Cingulum Health, Sydney, New South Wales, Australia
| | - Michael Y Bai
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Vukshitha Dhanaraj
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - R Dineth Fonseka
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Jorge Hormovas
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Onur Tanglay
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Arpan R Chakraborty
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Ty M Milligan
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Carol J Abraham
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Christopher D Anderson
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Ali H Palejwala
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Andrew K Conner
- Department of Neurosurgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Daniel L O'Donoghue
- Department of Cell Biology, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Michael E Sughrue
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia.
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Distinct fronto-temporal substrates of distributional and taxonomic similarity among words: evidence from RSA of BOLD signals. Neuroimage 2020; 224:117408. [PMID: 33049407 DOI: 10.1016/j.neuroimage.2020.117408] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 09/25/2020] [Accepted: 09/28/2020] [Indexed: 02/02/2023] Open
Abstract
A class of semantic theories defines concepts in terms of statistical distributions of lexical items, basing meaning on vectors of word co-occurrence frequencies. A different approach emphasizes abstract hierarchical taxonomic relationships among concepts. However, the functional relevance of these different accounts and how they capture information-encoding of lexical meaning in the brain still remains elusive. We investigated to what extent distributional and taxonomic models explained word-elicited neural responses using cross-validated representational similarity analysis (RSA) of functional magnetic resonance imaging (fMRI) and model comparisons. Our findings show that the brain encodes both types of semantic information, but in distinct cortical regions. Posterior middle temporal regions reflected lexical-semantic similarity based on hierarchical taxonomies, in coherence with the action-relatedness of specific semantic word categories. In contrast, distributional semantics best predicted the representational patterns in left inferior frontal gyrus (LIFG, BA 47). Both representations coexisted in the angular gyrus supporting semantic binding and integration. These results reveal that neuronal networks with distinct cortical distributions across higher-order association cortex encode different representational properties of word meanings. Taxonomy may shape long-term lexical-semantic representations in memory consistently with the sensorimotor details of semantic categories, whilst distributional knowledge in the LIFG (BA 47) may enable semantic combinatorics in the context of language use. Our approach helps to elucidate the nature of semantic representations essential for understanding human language.
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Roelke A, Hofmann MJ. Functional connectivity of the left inferior frontal gyrus during semantic priming. Neurosci Lett 2020; 735:135236. [DOI: 10.1016/j.neulet.2020.135236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 07/03/2020] [Accepted: 07/04/2020] [Indexed: 10/23/2022]
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Wang AL, Shi Z, Fairchild VP, Aronowitz CA, Langleben DD. Emotional salience of the image component facilitates recall of the text of cigarette warning labels. Eur J Public Health 2019; 29:153-158. [PMID: 29718188 DOI: 10.1093/eurpub/cky059] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background Graphic warning labels (GWLs) on cigarette packages, that combine textual warnings with emotionally salient images depicting the adverse health consequences of smoking, have been adopted in most European countries. In the US, the courts deemed the evidence justifying the inclusion of emotionally salient images in GWLs insufficient and put the implementation on hold. We conducted a controlled experimental study examining the effect of emotional salience of GWL's images on the recall of their text component. Methods Seventy-three non-treatment-seeking daily smokers received cigarette packs carrying GWLs for a period of 4 weeks. Participants were randomly assigned to receive packs with GWLs previously rated as eliciting high or low level of emotional reaction (ER). The two conditions differed in respect to images but used the same textual warning statements. Participants' recognition of GWL images and statements were tested separately at baseline and again after the 4-week repetitive exposure. Results Textual warning statements were recognized more accurately when paired with high ER images than when paired with low ER images, both at baseline and after daily exposure to GWLs over a 4-week period. Conclusion The results suggest that emotional salience of GWLs facilitates cognitive processing of the textual warnings, resulting in better remembering of the information about the health hazards of smoking. Thus, high emotional salience of the pictorial component of GWLs is essential for their overall effectiveness.
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Affiliation(s)
- An-Li Wang
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Zhenhao Shi
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Victoria P Fairchild
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Daniel D Langleben
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA, USA
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Xu Y, Wang X, Wang X, Men W, Gao JH, Bi Y. Doctor, Teacher, and Stethoscope: Neural Representation of Different Types of Semantic Relations. J Neurosci 2018; 38:3303-3317. [PMID: 29476016 PMCID: PMC6596060 DOI: 10.1523/jneurosci.2562-17.2018] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 02/08/2018] [Accepted: 02/13/2018] [Indexed: 11/21/2022] Open
Abstract
Concepts can be related in many ways. They can belong to the same taxonomic category (e.g., "doctor" and "teacher," both in the category of people) or be associated with the same event context (e.g., "doctor" and "stethoscope," both associated with medical scenarios). How are these two major types of semantic relations coded in the brain? We constructed stimuli from three taxonomic categories (people, manmade objects, and locations) and three thematic categories (school, medicine, and sports) and investigated the neural representations of these two dimensions using representational similarity analyses in human participants (10 men and nine women). In specific regions of interest, the left anterior temporal lobe (ATL) and the left temporoparietal junction (TPJ), we found that, whereas both areas had significant effects of taxonomic information, the taxonomic relations had stronger effects in the ATL than in the TPJ ("doctor" and "teacher" closer in ATL neural activity), with the reverse being true for thematic relations ("doctor" and "stethoscope" closer in TPJ neural activity). A whole-brain searchlight analysis revealed that widely distributed regions, mainly in the left hemisphere, represented the taxonomic dimension. Interestingly, the significant effects of the thematic relations were only observed after the taxonomic differences were controlled for in the left TPJ, the right superior lateral occipital cortex, and other frontal, temporal, and parietal regions. In summary, taxonomic grouping is a primary organizational dimension across distributed brain regions, with thematic grouping further embedded within such taxonomic structures.SIGNIFICANCE STATEMENT How are concepts organized in the brain? It is well established that concepts belonging to the same taxonomic categories (e.g., "doctor" and "teacher") share neural representations in specific brain regions. How concepts are associated in other manners (e.g., "doctor" and "stethoscope," which are thematically related) remains poorly understood. We used representational similarity analyses to unravel the neural representations of these different types of semantic relations by testing the same set of words that could be differently grouped by taxonomic categories or by thematic categories. We found that widely distributed brain areas primarily represented taxonomic categories, with the thematic categories further embedded within the taxonomic structure.
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Affiliation(s)
- Yangwen Xu
- National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875
- IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China, 100875
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China, 100875
| | - Xiaosha Wang
- National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875
- IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China, 100875
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China, 100875
| | - Xiaoying Wang
- National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875
- IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China, 100875
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China, 100875
| | - Weiwei Men
- Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China, 100871
- Beijing City Key Laboratory for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing, China, 100871, and
| | - Jia-Hong Gao
- Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China, 100871
- Beijing City Key Laboratory for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing, China, 100871, and
- IDG/McGovern Institute for Brain Research, Peking University, Beijing, China, 100871
| | - Yanchao Bi
- National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875,
- IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China, 100875
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China, 100875
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Neural correlates of dystonic tremor: a multimodal study of voice tremor in spasmodic dysphonia. Brain Imaging Behav 2018; 11:166-175. [PMID: 26843004 DOI: 10.1007/s11682-016-9513-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Tremor, affecting a dystonic body part, is a frequent feature of adult-onset dystonia. However, our understanding of dystonic tremor pathophysiology remains ambiguous as its interplay with the main co-occurring disorder, dystonia, is largely unknown. We used a combination of functional MRI, voxel-based morphometry and diffusion-weighted imaging to investigate similar and distinct patterns of brain functional and structural alterations in patients with dystonic tremor of voice (DTv) and isolated spasmodic dysphonia (SD). We found that, compared to controls, SD patients with and without DTv showed similarly increased activation in the sensorimotor cortex, inferior frontal (IFG) and superior temporal gyri, putamen and ventral thalamus, as well as deficient activation in the inferior parietal cortex and middle frontal gyrus (MFG). Common structural alterations were observed in the IFG and putamen, which were further coupled with functional abnormalities in both patient groups. Abnormal activation in left putamen was correlated with SD onset; SD/DTv onset was associated with right putaminal volumetric changes. DTv severity established a significant relationship with abnormal volume of the left IFG. Direct patient group comparisons showed that SD/DTv patients had additional abnormalities in MFG and cerebellar function and white matter integrity in the posterior limb of the internal capsule. Our findings suggest that dystonia and dystonic tremor, at least in the case of SD and SD/DTv, are heterogeneous disorders at different ends of the same pathophysiological spectrum, with each disorder carrying a characteristic neural signature, which may potentially help development of differential markers for these two conditions.
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Just MA, Wang J, Cherkassky VL. Neural representations of the concepts in simple sentences: Concept activation prediction and context effects. Neuroimage 2017; 157:511-520. [PMID: 28629977 PMCID: PMC5600844 DOI: 10.1016/j.neuroimage.2017.06.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 06/12/2017] [Accepted: 06/15/2017] [Indexed: 10/19/2022] Open
Abstract
Although it has been possible to identify individual concepts from a concept's brain activation pattern, there have been significant obstacles to identifying a proposition from its fMRI signature. Here we demonstrate the ability to decode individual prototype sentences from readers' brain activation patterns, by using theory-driven regions of interest and semantic properties. It is possible to predict the fMRI brain activation patterns evoked by propositions and words which are entirely new to the model with reliably above-chance rank accuracy. The two core components implemented in the model that reflect the theory were the choice of intermediate semantic features and the brain regions associated with the neurosemantic dimensions. This approach also predicts the neural representation of object nouns across participants, studies, and sentence contexts. Moreover, we find that the neural representation of an agent-verb-object proto-sentence is more accurately characterized by the neural signatures of its components as they occur in a similar context than by the neural signatures of these components as they occur in isolation.
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Affiliation(s)
- Marcel Adam Just
- Center for Cognitive Brain Imaging, Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
| | - Jing Wang
- Center for Cognitive Brain Imaging, Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Vladimir L Cherkassky
- Center for Cognitive Brain Imaging, Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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Abstract
Object concepts are critical for nearly all aspects of human cognition, from perception tasks like object recognition, to understanding and producing language, to making meaningful actions. Concepts can have 2 very different kinds of relations: similarity relations based on shared features (e.g., dog-bear), which are called "taxonomic" relations, and contiguity relations based on co-occurrence in events or scenarios (e.g., dog-leash), which are called "thematic" relations. Here, we report a systematic review of experimental psychology and cognitive neuroscience evidence of this distinction in the structure of semantic memory. We propose 2 principles that may drive the development of distinct taxonomic and thematic semantic systems: differences between which features determine taxonomic versus thematic relations, and differences in the processing required to extract taxonomic versus thematic relations. This review brings together distinct threads of behavioral, computational, and neuroscience research on semantic memory in support of a functional and neural dissociation, and defines a framework for future studies of semantic memory. (PsycINFO Database Record
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Affiliation(s)
- Daniel Mirman
- Department of Psychology, University of Alabama at Birmingham
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12
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The neural correlates of lexical processing in disorders of consciousness. Brain Imaging Behav 2016; 11:1526-1537. [DOI: 10.1007/s11682-016-9613-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Aberg KC, Doell KC, Schwartz S. The “Creative Right Brain” Revisited: Individual Creativity and Associative Priming in the Right Hemisphere Relate to Hemispheric Asymmetries in Reward Brain Function. Cereb Cortex 2016; 27:4946-4959. [DOI: 10.1093/cercor/bhw288] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 08/23/2016] [Indexed: 12/21/2022] Open
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Kalénine S, Buxbaum LJ. Thematic knowledge, artifact concepts, and the left posterior temporal lobe: Where action and object semantics converge. Cortex 2016; 82:164-178. [PMID: 27389801 DOI: 10.1016/j.cortex.2016.06.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 03/21/2016] [Accepted: 06/11/2016] [Indexed: 02/04/2023]
Abstract
Converging evidence supports the existence of functionally and neuroanatomically distinct taxonomic (similarity-based; e.g., hammer-screwdriver) and thematic (event-based; e.g., hammer-nail) semantic systems. Processing of thematic relations between objects has been shown to selectively recruit the left posterior temporoparietal cortex. Similar posterior regions have also been shown to be critical for knowledge of relationships between actions and manipulable human-made objects (artifacts). Based on the hypothesis that thematic relationships for artifacts rely, at least in part, on action relationships, we assessed the prediction that the same regions of the left posterior temporoparietal cortex would be critical for conceptual processing of artifact-related actions and thematic relations for artifacts. To test this hypothesis, we evaluated processing of taxonomic and thematic relations for artifacts and natural objects as well as artifact action knowledge (gesture recognition) abilities in a large sample of 48 stroke patients with a range of lesion foci in the left hemisphere. Like control participants, patients identified thematic relations faster than taxonomic relations for artifacts, whereas they identified taxonomic relations faster than thematic relations for natural objects. Moreover, response times (RTs) for identifying thematic relations for artifacts selectively predicted performance in gesture recognition. Whole brain Voxel-based Lesion-Symptom Mapping (VLSM) analyses and Region of Interest (ROI) regression analyses further demonstrated that lesions to the left posterior temporal cortex, overlapping with LTO and visual motion area hMT+, were associated both with relatively slower RTs in identifying thematic relations for artifacts and poorer artifact action knowledge in patients. These findings provide novel insights into the functional role of left posterior temporal cortex in thematic knowledge, and suggest that the close association between thematic relations for artifacts and action representations may reflect their common dependence on visual motion and manipulation information.
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Affiliation(s)
- Solène Kalénine
- Moss Rehabilitation Research Institute, Elkins Park, PA, USA; Univ. Lille, CNRS, CHU Lille, UMR 9193 SCALab - Sciences Cognitives et Sciences Affectives, Lille, France.
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Role of features and categories in the organization of object knowledge: Evidence from adaptation fMRI. Cortex 2016; 78:174-194. [DOI: 10.1016/j.cortex.2016.01.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 12/11/2015] [Accepted: 01/05/2016] [Indexed: 11/29/2022]
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16
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Yang Y, Lueken U, Wittmann A, Holtz K, Kleint NI, Herrmann MJ, Sass K, Jansen A, Konrad C, Ströhle A, Pfleiderer B, Lotze M, Hamm A, Deckert J, Arolt V, Wittchen HU, Kircher T, Straube B. Neural correlates of individual differences in anxiety sensitivity: an fMRI study using semantic priming. Soc Cogn Affect Neurosci 2016; 11:1245-54. [PMID: 26969863 DOI: 10.1093/scan/nsw024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 03/08/2016] [Indexed: 12/21/2022] Open
Abstract
Individuals with high anxiety sensitivity (AS) have an increased risk of developing anxiety disorders and are more biased in how they process fear-related stimuli. This study investigates the neural correlates of fear-related words and word associations in high- and low-AS individuals. We used a semantic priming paradigm during functional magnetic resonance imaging in which three types of target words (fear symptoms, e.g. 'dizziness'; neutral, e.g. 'drink'; and pseudowords, e.g. 'salkom') were preceded by two types of prime words (fear-triggers, e.g. 'elevator'; and neutral, e.g. 'bottle'). Subjects with high AS rated fear-symptom words (vs neutral words) as more unpleasant than low-AS individuals; they also related these words more strongly to fear-triggers and showed prolonged reaction times. During the processing of fear-symptom words, greater activation in the left anterior insula was observed in high-AS subjects than in low-AS subjects. Lower activation in the left inferior frontal gyrus, angular gyrus, fusiform gyrus and bilateral amygdalae was found in high-AS subjects when fear-symptom words were preceded by fear-trigger words. The findings suggest that cognitive biases and the anterior insula play a crucial role in high-AS individuals. Furthermore, semantic processes may contribute to high AS and the risk of developing anxiety disorders.
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Affiliation(s)
- Yunbo Yang
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany,
| | - Ulrike Lueken
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, Dresden, Germany
| | - André Wittmann
- Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Katharina Holtz
- Department of Biological and Clinical Psychology, University of Greifswald, Greifswald, Germany
| | - Nina Isabel Kleint
- Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, Dresden, Germany
| | - Martin J Herrmann
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Katharina Sass
- Department of Medical Psychology, University of Bonn, Bonn, Germany
| | - Andreas Jansen
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany
| | - Carsten Konrad
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany, Department of Psychiatry, Agaplesion Diakonieklinikum Rotenburg (Wümme), Rotenburg (Wümme), Germany
| | - Andreas Ströhle
- Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Bettina Pfleiderer
- Department of Clinical Radiology, University of Münster, Münster, Germany
| | - Martin Lotze
- Functional Imaging Unit, Institute for Diagnostic Radiology and Neuroradiology, University of Greifswald, Greifswald, Germany
| | - Alfons Hamm
- Department of Biological and Clinical Psychology, University of Greifswald, Greifswald, Germany
| | - Jürgen Deckert
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Volker Arolt
- Department of Psychiatry, University of Münster, Münster, Germany
| | - Hans-Ulrich Wittchen
- Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, Dresden, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany
| | - Benjamin Straube
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany
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17
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Feng G, Chen Q, Zhu Z, Wang S. Separate Brain Circuits Support Integrative and Semantic Priming in the Human Language System. Cereb Cortex 2015. [DOI: 10.1093/cercor/bhv148] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Semantic priming is a crucial phenomenon to study the organization of semantic memory. A novel type of priming effect, integrative priming, has been identified behaviorally, whereby a prime word facilitates recognition of a target word when the 2 concepts can be combined to form a unitary representation. We used both functional and anatomical imaging approaches to investigate the neural substrates supporting such integrative priming, and compare them with those in semantic priming. Similar behavioral priming effects for both semantic (Bread–Cake) and integrative conditions (Cherry–Cake) were observed when compared with an unrelated condition. However, a clearly dissociated brain response was observed between these 2 types of priming. The semantic-priming effect was localized to the posterior superior temporal and middle temporal gyrus. In contrast, the integrative-priming effect localized to the left anterior inferior frontal gyrus and left anterior temporal cortices. Furthermore, fiber tractography showed that the integrative-priming regions were connected via uncinate fasciculus fiber bundle forming an integrative circuit, whereas the semantic-priming regions connected to the posterior frontal cortex via separated pathways. The results point to dissociable neural pathways underlying the 2 distinct types of priming, illuminating the neural circuitry organization of semantic representation and integration.
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18
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Ferré P, Guasch M, García-Chico T, Sánchez-Casas R. Are there qualitative differences in the representation of abstract and concrete words? Within-language and cross-language evidence from the semantic priming paradigm. Q J Exp Psychol (Hove) 2015; 68:2402-18. [PMID: 25671701 DOI: 10.1080/17470218.2015.1016980] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The different organizational frameworks theory proposes that there is a qualitative difference between the representation of concrete and abstract words in memory: Concrete concepts would be primarily organized in terms of semantic similarity whereas abstract concepts would be mainly organized by their association with other concepts. Evidence in support of this proposal has been mostly obtained with neuropsychological populations and, to a lesser extent, with healthy participants. In the present work, we tested the different organizational frameworks theory by using, for the first time, a semantic priming paradigm both within language and across languages. The results revealed that there was priming for both semantically similar and associative relations when words were concrete. However, with abstract words, priming was only observed when pairs and targets were associated. These results do not support the proposal of Crutch and coworkers, suggesting that the experimental paradigm as well as the type of relations tested may modulate the pattern of effects obtained with concrete and abstract words.
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Affiliation(s)
- Pilar Ferré
- a Research Center for Behavior Assessment and Department of Psychology , Universitat Rovira i Virgili , Tarragona , Spain
| | - Marc Guasch
- a Research Center for Behavior Assessment and Department of Psychology , Universitat Rovira i Virgili , Tarragona , Spain
| | - Teófilo García-Chico
- b Department of Psychology , Universidad Pontificia de Comillas , Madrid , Spain
| | - Rosa Sánchez-Casas
- a Research Center for Behavior Assessment and Department of Psychology , Universitat Rovira i Virgili , Tarragona , Spain
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19
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Lee D, Pruce B, Newman SD. The neural bases of argument structure processing revealed by primed lexical decision. Cortex 2014; 57:198-211. [PMID: 24922622 DOI: 10.1016/j.cortex.2014.04.013] [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] [Received: 05/30/2013] [Revised: 01/08/2014] [Accepted: 04/21/2014] [Indexed: 11/25/2022]
Abstract
Previous studies have reported anticipatory effects during sentence processing. However, the source of these effects has not been clearly characterized. This study investigated the hypothesis that one source of anticipatory effects, particularly during verb processing, is the automatic triggering of argument structure processes. If argument structure processes are automatically triggered it was hypothesized that the task need not require the initiation of the process, as such a primed lexical decision task was used that examined the neural priming of cross-grammatical class prime pairs (e.g., verb-noun priming). While previous studies, as does the current study, have revealed behavioral priming for cross-grammatical class and within-class (noun-noun and verb-verb) prime/target pairs, the current results revealed significant activation differences. Enhancement effects were observed for cross-grammatical class priming in the language network, particularly the inferior frontal gyrus (BA 47), and the posterior temporal cortex. Both regions have been linked to argument structure processing previously. Within-class priming resulted in neural suppression of the inferior temporal/occipital regions. Together, the data presented suggest the automatic triggering of argument structure representations and demonstrate that priming is a fruitful mechanism to explore aspects of sentence processing.
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Affiliation(s)
- Donghoon Lee
- Department of Psychology, Pusan National University, Busan, South Korea
| | - Benjamin Pruce
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
| | - Sharlene D Newman
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA.
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20
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Muehlhaus J, Heim S, Altenbach F, Chatterjee A, Habel U, Sass K. Deeper insights into semantic relations: an fMRI study of part-whole and functional associations. BRAIN AND LANGUAGE 2014; 129:30-42. [PMID: 24534814 DOI: 10.1016/j.bandl.2014.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 12/30/2013] [Accepted: 01/04/2014] [Indexed: 06/03/2023]
Abstract
Cognitive neuroscience research on semantics recognizes a distinction between categorical and associated relations. However, associations can be divided further, such as into part-whole and functional relations. We investigated the neural basis of both relations using a picture-word interference task in an fMRI study. While the left supramarginal gyrus and the right inferior temporal sulcus were activated by part-whole over functional relations, the same applies to the right parahippocampal complex contrasting the functional over part-whole relations. The small effect sizes of our analyses have to be interpreted with caution. While the parahippocampal complex might reflect global scene processing across objects, the inferior temporal sulcus might be involved in the perceptual encoding of object related knowledge and the supramarginal gyrus might represent a convergence zone which implements within object related perceptual features. The current study gives a first indication that the neural bases for part-whole and functional relations seem to be distinguishable.
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Affiliation(s)
- Juliane Muehlhaus
- Department of Psychiatry, Psychotherapy and Psychosomatics, Uniklinik RWTH Aachen, Aachen, Germany; JARA Translational Brain Medicine, Jülich - Aachen, Germany.
| | - Stefan Heim
- Department of Psychiatry, Psychotherapy and Psychosomatics, Uniklinik RWTH Aachen, Aachen, Germany; Institute of Neurosciences and Medicine (INM-1), Research Centre Jülich, Jülich, Germany; JARA Translational Brain Medicine, Jülich - Aachen, Germany; Section Neurological Cognition Research, Department of Neurology, Uniklinik RWTH Aachen, Aachen, Germany
| | - Fabian Altenbach
- Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany
| | - Anjan Chatterjee
- Department of Neurology and Center for Cognitive Neuroscience, University of Pennsylvania, Philadelphia, USA
| | - Ute Habel
- Department of Psychiatry, Psychotherapy and Psychosomatics, Uniklinik RWTH Aachen, Aachen, Germany; JARA Translational Brain Medicine, Jülich - Aachen, Germany
| | - Katharina Sass
- Department of Psychiatry, Faculty of Medicine, University of Bonn, Bonn, Germany
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21
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When the zebra loses its stripes but is still in the savannah: Results from a semantic priming paradigm in semantic dementia. Neuropsychologia 2014; 53:221-32. [DOI: 10.1016/j.neuropsychologia.2013.11.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 11/26/2013] [Accepted: 11/27/2013] [Indexed: 11/24/2022]
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22
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Straube B, He Y, Steines M, Gebhardt H, Kircher T, Sammer G, Nagels A. Supramodal neural processing of abstract information conveyed by speech and gesture. Front Behav Neurosci 2013; 7:120. [PMID: 24062652 PMCID: PMC3772311 DOI: 10.3389/fnbeh.2013.00120] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 08/24/2013] [Indexed: 11/13/2022] Open
Abstract
Abstractness and modality of interpersonal communication have a considerable impact on comprehension. They are relevant for determining thoughts and constituting internal models of the environment. Whereas concrete object-related information can be represented in mind irrespective of language, abstract concepts require a representation in speech. Consequently, modality-independent processing of abstract information can be expected. Here we investigated the neural correlates of abstractness (abstract vs. concrete) and modality (speech vs. gestures), to identify an abstractness-specific supramodal neural network. During fMRI data acquisition 20 participants were presented with videos of an actor either speaking sentences with an abstract-social [AS] or concrete-object-related content [CS], or performing meaningful abstract-social emblematic [AG] or concrete-object-related tool-use gestures [CG]. Gestures were accompanied by a foreign language to increase the comparability between conditions and to frame the communication context of the gesture videos. Participants performed a content judgment task referring to the person vs. object-relatedness of the utterances. The behavioral data suggest a comparable comprehension of contents communicated by speech or gesture. Furthermore, we found common neural processing for abstract information independent of modality (AS > CS ∩ AG > CG) in a left hemispheric network including the left inferior frontal gyrus (IFG), temporal pole, and medial frontal cortex. Modality specific activations were found in bilateral occipital, parietal, and temporal as well as right inferior frontal brain regions for gesture (G > S) and in left anterior temporal regions and the left angular gyrus for the processing of speech semantics (S > G). These data support the idea that abstract concepts are represented in a supramodal manner. Consequently, gestures referring to abstract concepts are processed in a predominantly left hemispheric language related neural network.
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Affiliation(s)
- Benjamin Straube
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg Marburg, Germany
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23
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Semantic relations differentially impact associative recognition memory: electrophysiological evidence. Brain Cogn 2013; 83:93-103. [PMID: 23942226 DOI: 10.1016/j.bandc.2013.07.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 05/30/2013] [Accepted: 07/19/2013] [Indexed: 11/20/2022]
Abstract
Though associative recognition memory is thought to rely primarily on recollection, recent research indicates that familiarity might also make a substantial contribution when to-be-learned items are integrated into a coherent structure by means of an existing semantic relation. It remains unclear how different types of semantic relations, such as categorical (e.g., dancer-singer) and thematic (e.g., dancer-stage) relations might affect associative recognition, however. Using event-related potentials (ERPs), we addressed this question by manipulating the type of semantic link between paired words in an associative recognition memory experiment. An early midfrontal old/new effect, typically linked to familiarity, was observed across the relation types. In contrast, a robust left parietal old/new effect was found in the categorical condition only, suggesting a clear contribution of recollection to associative recognition for this kind of pairs. One interpretation of this pattern is that familiarity was sufficiently diagnostic for associative recognition of thematic relations, which could result from the integrative nature of the thematic relatedness compared to the similarity-based nature of categorical pairs. The present study suggests that the extent to which recollection and familiarity are involved in associative recognition is at least in part determined by the properties of semantic relations between the paired associates.
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24
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Panichello MF, Cheung OS, Bar M. Predictive feedback and conscious visual experience. Front Psychol 2013; 3:620. [PMID: 23346068 PMCID: PMC3549576 DOI: 10.3389/fpsyg.2012.00620] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Accepted: 12/28/2012] [Indexed: 11/13/2022] Open
Abstract
The human brain continuously generates predictions about the environment based on learned regularities in the world. These predictions actively and efficiently facilitate the interpretation of incoming sensory information. We review evidence that, as a result of this facilitation, predictions directly influence conscious experience. Specifically, we propose that predictions enable rapid generation of conscious percepts and bias the contents of awareness in situations of uncertainty. The possible neural mechanisms underlying this facilitation are discussed.
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Affiliation(s)
- Matthew F Panichello
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School Charlestown, MA, USA
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25
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Straube B, Green A, Weis S, Kircher T. A supramodal neural network for speech and gesture semantics: an fMRI study. PLoS One 2012; 7:e51207. [PMID: 23226488 PMCID: PMC3511386 DOI: 10.1371/journal.pone.0051207] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Accepted: 10/30/2012] [Indexed: 12/03/2022] Open
Abstract
In a natural setting, speech is often accompanied by gestures. As language, speech-accompanying iconic gestures to some extent convey semantic information. However, if comprehension of the information contained in both the auditory and visual modality depends on same or different brain-networks is quite unknown. In this fMRI study, we aimed at identifying the cortical areas engaged in supramodal processing of semantic information. BOLD changes were recorded in 18 healthy right-handed male subjects watching video clips showing an actor who either performed speech (S, acoustic) or gestures (G, visual) in more (+) or less (−) meaningful varieties. In the experimental conditions familiar speech or isolated iconic gestures were presented; during the visual control condition the volunteers watched meaningless gestures (G−), while during the acoustic control condition a foreign language was presented (S−). The conjunction of the visual and acoustic semantic processing revealed activations extending from the left inferior frontal gyrus to the precentral gyrus, and included bilateral posterior temporal regions. We conclude that proclaiming this frontotemporal network the brain's core language system is to take too narrow a view. Our results rather indicate that these regions constitute a supramodal semantic processing network.
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Affiliation(s)
- Benjamin Straube
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany.
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26
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Schmidt GL, Cardillo ER, Kranjec A, Lehet M, Widick P, Chatterjee A. Not all analogies are created equal: Associative and categorical analogy processing following brain damage. Neuropsychologia 2012; 50:1372-9. [PMID: 22402184 PMCID: PMC3384712 DOI: 10.1016/j.neuropsychologia.2012.02.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Revised: 02/24/2012] [Accepted: 02/25/2012] [Indexed: 11/23/2022]
Abstract
Current research on analogy processing assumes that different conceptual relations are treated similarly. However, just as words and concepts are related in distinct ways, different kinds of analogies may employ distinct types of relationships. An important distinction in how words are related is the difference between associative (dog-bone) and categorical (dog-cat) relations. To test the hypothesis that analogical mapping of different types of relations would have different neural instantiations, we tested patients with left and right hemisphere lesions on their ability to understand two types of analogies, ones expressing an associative relationship and others expressing a categorical relationship. Voxel-based lesion-symptom mapping (VLSM) and behavioral analyses revealed that associative analogies relied on a large left-lateralized language network while categorical analogies relied on both left and right hemispheres. The verbal nature of the task could account for the left hemisphere findings. We argue that categorical relations additionally rely on the right hemisphere because they are more difficult, abstract, and fragile, and contain more distant relationships.
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Affiliation(s)
- Gwenda L Schmidt
- Department of Psychology, Hope College, 35 E 12th St, Holland, MI 49423, USA.
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27
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Price CJ. A review and synthesis of the first 20 years of PET and fMRI studies of heard speech, spoken language and reading. Neuroimage 2012; 62:816-47. [PMID: 22584224 PMCID: PMC3398395 DOI: 10.1016/j.neuroimage.2012.04.062] [Citation(s) in RCA: 1284] [Impact Index Per Article: 107.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Revised: 04/25/2012] [Accepted: 04/30/2012] [Indexed: 01/17/2023] Open
Abstract
The anatomy of language has been investigated with PET or fMRI for more than 20 years. Here I attempt to provide an overview of the brain areas associated with heard speech, speech production and reading. The conclusions of many hundreds of studies were considered, grouped according to the type of processing, and reported in the order that they were published. Many findings have been replicated time and time again leading to some consistent and undisputable conclusions. These are summarised in an anatomical model that indicates the location of the language areas and the most consistent functions that have been assigned to them. The implications for cognitive models of language processing are also considered. In particular, a distinction can be made between processes that are localized to specific structures (e.g. sensory and motor processing) and processes where specialisation arises in the distributed pattern of activation over many different areas that each participate in multiple functions. For example, phonological processing of heard speech is supported by the functional integration of auditory processing and articulation; and orthographic processing is supported by the functional integration of visual processing, articulation and semantics. Future studies will undoubtedly be able to improve the spatial precision with which functional regions can be dissociated but the greatest challenge will be to understand how different brain regions interact with one another in their attempts to comprehend and produce language.
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Affiliation(s)
- Cathy J Price
- Wellcome Trust Centre for Neuroimaging, UCL, London WC1N 3BG, UK.
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28
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Abel S, Dressel K, Weiller C, Huber W. Enhancement and suppression in a lexical interference fMRI-paradigm. Brain Behav 2012; 2:109-27. [PMID: 22574280 PMCID: PMC3345356 DOI: 10.1002/brb3.31] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 12/01/2011] [Accepted: 12/10/2011] [Indexed: 11/23/2022] Open
Abstract
Previous picture-word interference (PWI) fMRI-paradigms revealed ambiguous mechanisms underlying facilitation and inhibition in healthy subjects. Lexical distractors revealed increased (enhancement) or decreased (suppression) activation in language and monitoring/control areas. Performing a secondary examination and data analysis, we aimed to illuminate the relation between behavioral and neural interference effects comparing target-related distractors (REL) with unrelated distractors (UNREL). We hypothesized that interference involves both (A) suppression due to priming and (B) enhancement due to simultaneous distractor and target processing. Comparisons to UNREL should remain distractor unspecific even at a low threshold. (C) Distractor types with common characteristics should reveal overlapping brain areas. In a 3T MRI scanner, participants were asked to name pictures while auditory words were presented (stimulus onset asynchrony [SOA] = -200 msec). Associatively and phonologically related distractors speeded responses (facilitation), while categorically related distractors slowed them down (inhibition) compared to UNREL. As a result, (A) reduced brain activations indeed resembled previously reported patterns of neural priming. Each target-related distractor yielded suppressions at least in areas associated with vision and conflict/competition monitoring (anterior cingulate cortex [ACC]), revealing least priming for inhibitors. (B) Enhancements concerned language-related but distractor-unspecific regions. (C) Some wider brain regions were commonly suppressed for combinations of distractor types. Overlapping areas associated with conceptual priming were found for facilitatory distractors (inferior frontal gyri), and areas related to phonetic/articulatory processing (precentral gyri and left parietal operculum/insula) for distractors sharing feature overlap. Each distractor with semantic relatedness revealed nonoverlapping suppressions in lexical-phonological areas (superior temporal regions). To conclude, interference combines suppression of areas well known from neural priming and enhancement of language-related areas caused by dual activation from target and distractor. Differences between interference and priming need to be taken into account. The present interference paradigm has the potential to reveal the functioning of word-processing stages, cognitive control, and responsiveness to priming at the same time.
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Affiliation(s)
- Stefanie Abel
- Section Neuropsychology, Medical Faculty, RWTH Aachen University, Germany
- Section Clinical Research on Cognition, Medical Faculty, RWTH Aachen University, Germany
- Department of Neurology, University Medical Center Freiburg, Germany
| | - Katharina Dressel
- Section Clinical Research on Cognition, Medical Faculty, RWTH Aachen University, Germany
- Department of Neurology, University Medical Center Freiburg, Germany
| | - Cornelius Weiller
- Department of Neurology, University Medical Center Freiburg, Germany
| | - Walter Huber
- Section Clinical Research on Cognition, Medical Faculty, RWTH Aachen University, Germany
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29
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Laufer I, Negishi M, Lacadie CM, Papademetris X, Constable RT. Dissociation between the activity of the right middle frontal gyrus and the middle temporal gyrus in processing semantic priming. PLoS One 2011; 6:e22368. [PMID: 21829619 PMCID: PMC3150328 DOI: 10.1371/journal.pone.0022368] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Accepted: 06/24/2011] [Indexed: 11/19/2022] Open
Abstract
The aim of this event-related functional magnetic resonance imaging (fMRI) study was to test whether the right middle frontal gyrus (MFG) and middle temporal gyrus (MTG) would show differential sensitivity to the effect of prime-target association strength on repetition priming. In the experimental condition (RP), the target occurred after repetitive presentation of the prime within an oddball design. In the control condition (CTR), the target followed a single presentation of the prime with equal probability of the target as in RP. To manipulate semantic overlap between the prime and the target both conditions (RP and CTR) employed either the onomatopoeia "oink" as the prime and the referent "pig" as the target (OP) or vice-versa (PO) since semantic overlap was previously shown to be greater in OP. The results showed that the left MTG was sensitive to release of adaptation while both the right MTG and MFG were sensitive to sequence regularity extraction and its verification. However, dissociated activity between OP and PO was revealed in RP only in the right MFG. Specifically, target "pig" (OP) and the physically equivalent target in CTR elicited comparable deactivations whereas target "oink" (PO) elicited less inhibited response in RP than in CTR. This interaction in the right MFG was explained by integrating these effects into a competition model between perceptual and conceptual effects in priming processing.
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Affiliation(s)
- Ilan Laufer
- Department of Diagnostic Radiology, Yale University, New Haven, Connecticut, United States of America.
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