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Rodríguez-Rajo P, García-Rudolph A, Sánchez-Carrión R, Aparicio-López C, Enseñat-Cantallops A, García-Molina A. Computerized social cognitive training in the subacute phase after traumatic brain injury: A quasi-randomized controlled trial. APPLIED NEUROPSYCHOLOGY. ADULT 2024; 31:540-553. [PMID: 35196474 DOI: 10.1080/23279095.2022.2042693] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To assess the usefulness of a computerized tasks module designed for the rehabilitation of social cognition (SC) in acquired brain injury. METHODS Quasi-randomized controlled trial (ClinicalTrials.gov:NCT03479970) involving 45 patients with moderate-severe traumatic brain injury (TBI) in a subacute inpatient rehabilitation hospital. The experimental group (n = 28) received treatment with a computerized SC module in combination with a non-SC module. The control group (n = 26) only received a treatment with non-SC module. RESULTS Intragroup comparisons showed that the experimental group had better results for all SC measures, except for International Affective Picture System (IAPS). The control group improved for Facial Expressions of cEmotion-Stimuli and Tests (FEEST) and Moving Shapes Paradigm (MSP), showing no changes with respect to pretreatment in IAPS, MSP and Reading the Mind in the Eyes Test (RMET). Intergroup comparisons did not present differences between the two groups for pretreatment measures. Post-treatment comparison showed that the experimental group obtained better results for RMET than the control group. CONCLUSION The computerized SC module was useful for the rehabilitation of SC in patients with moderate-severe TBI in the subacute phase. The group that received combined rehabilitative treatment (SC + non-SC) obtained better results for SC than the group that received treatment intended only for non-SC.
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Affiliation(s)
- P Rodríguez-Rajo
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
- Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - A García-Rudolph
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
| | - R Sánchez-Carrión
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
| | - C Aparicio-López
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
| | - A Enseñat-Cantallops
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
| | - A García-Molina
- Institut Guttmann, Institut Universitari de Neurorehabilitació, Affiliated to the Universitat Autònoma de Barcelona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Barcelona, Spain
- Facultad de Psicología, Centro de Estudios en Neurociencia Humana y Neuropsicología, Universidad Diego Portales, Santiago de Chile, Chile
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Filipčíková M, Quang H, Cassel A, Darke L, Wilson E, Wearne T, Rosenberg H, McDonald S. Exploring neuropsychological underpinnings of poor communication after traumatic brain injury: The role of apathy, disinhibition and social cognition. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2024; 59:433-448. [PMID: 36541559 DOI: 10.1111/1460-6984.12836] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Dysarthria, aphasia and executive processes have been examined for their role in producing impaired communicative competence post traumatic brain injury (TBI). Less understood is the role of emotional dysregulation, that is, apathy and disinhibition, and social cognition, that is, reading and interpreting social cues. METHODS & PROCEDURES In this study, we examined 49 adults with moderate to severe TBI and 18 neurologically healthy adults. We hypothesised that apathy and disinhibition would predict communication outcomes as would social cognition. We also predicted that apathy and disinhibition would influence social cognition. Communication outcomes were measured by the La Trobe Communication Questionnaire (LCQ) and the Social Skills Questionnaire-TBI (SSQ-TBI). Apathy and disinhibition were measured by the Frontal Systems Behavior Scale (FrSBe). We measured four aspects of social cognition: emotion perception and theory of mind using The Awareness of Social Inference Test (TASIT) and the Complex Audio-Visual Evaluation of Affect Test (CAVEAT), empathy using the Questionnaire of Cognitive and Affective Empathy (QCAE) and the Balanced Emotional Empathy Scale (BEES), and alexithymia using the Toronto Alexithymia Scale (TAS-20) and the Bermond-Vorst Alexithymia Questionnaire. OUTCOMES & RESULTS Consistent with predictions, the LCQ and SSQ-TBI were associated with disinhibition and the LCQ was also associated with apathy. The LCQ was associated with the full range of social cognition constructs although the SSQ-TBI was not. Finally, apathy and disinhibition predicted a number of social cognition measures. CONCLUSIONS AND IMPLICATIONS These results are discussed in relation to understanding the nature of communication disorders following TBI and how they are measured, as well as the interrelation between emotion dysregulation and social cognition. WHAT THIS STUDY ADDS What is already known on this subject The role of emotional dysregulation and social cognition in producing impaired communicative competence post traumatic brain injury (TBI) is not well understood. Although most adults with severe TBI have minimal or possibly no language impairment, they often struggle with functional communication in everyday situations. Many have been reported to be overtalkative, insensitive, childish and self-centred, displaying an inappropriate level of self-disclosure and making tangential and irrelevant comments. Conversely, some speakers with TBI have been noted to have impoverished communication, producing little language either spontaneously or in response to the speaker's questions and prompts. What this paper adds to existing knowledge We found that both apathy and disinhibition were strongly associated with the Latrobe Communication Questionnaire both empirically and conceptually, despite the LCQ being developed from a different, pragmatic orientation. Disinhibition was also associated with the Social Skills Questionnaire for TBI. We also found that poor social cognition scores predicted communication difficulties. Finally, we found that behavioural dysregulation itself, i.e., both apathy and disinhibition, predicted poor social cognition. What are the potential or actual clinical implications of this work? Our findings highlight the central role that apathy and disinhibition play in both communication and social cognition. These insights point to the importance of remediation to target behavioural and autonomic dysregulation as a means to improve everyday social function.
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Affiliation(s)
| | - Halle Quang
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Anneli Cassel
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Lilly Darke
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Emily Wilson
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Travis Wearne
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Hannah Rosenberg
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
| | - Skye McDonald
- School of Psychology, University of New South Wales, Sydney, NSW, Australia
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Lê K, Coelho C, Feinn C. Contribution of Working Memory and Inferencing to Narrative Discourse Comprehension and Production in Traumatic Brain Injury. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2023; 66:2346-2361. [PMID: 37257416 PMCID: PMC10468118 DOI: 10.1044/2023_jslhr-22-00632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 03/07/2023] [Accepted: 03/20/2023] [Indexed: 06/02/2023]
Abstract
PURPOSE The goal of this study was to identify some potential key cognitive and communicative processes underlying narrative discourse ability following traumatic brain injury (TBI). Specifically, this study (a) investigated the contribution of working memory (WM) and inferencing to narrative discourse comprehension and production; (b) tested key assumptions posited by the Structure Building Framework (SBF), a discourse model; and (c) evaluated the potential for inferencing to contribute to discourse ability beyond a shared variance with WM. METHOD Twenty-one individuals with TBI completed six tasks yielding seven measures: verbal and nonverbal WM updating (WMU-V and WMU-NV, respectively), predictive inferencing, the Discourse Comprehension Test (DCT), a picture story comprehension (PSC) task, and story retelling (story grammar and story completeness). Regression analyses were performed using WM and inferencing as predictors for narrative performance. RESULTS WM measures were significant predictors of DCT performance and approached significance as predictors of PSC. Inferencing approached significance as a unique predictor for the DCT and story completeness. WMU-V and WMU-NV were highly collinear, and neither WM measure predicted discourse outcomes over and above the other's contribution. CONCLUSIONS WM was more strongly associated with comprehension processes, whereas inferencing may be associated with both comprehension and production outcomes. Findings were interpreted as supporting SBF assumptions of domain generality of cognitive processes and mechanisms involved in discourse while also challenging assumptions that the same cognitive substrates are marshaled for comprehension and production processes. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.23148647.
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Affiliation(s)
- Karen Lê
- Audiology and Speech Pathology Service, VA Connecticut Healthcare System, West Haven
| | - Carl Coelho
- Research Service, VA Connecticut Healthcare System, West Haven
- Department of Speech, Language and Hearing Sciences, University of Connecticut, Storrs
| | - Carl Feinn
- Frank H. Netter MD School of Medicine, Quinnipiac University, North Haven, CT
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Jha M, Sharma V, Anthony A. Neurocognitive and behavioral predictors of theory of mind (ToM) in patients with traumatic brain injury (TBI). Ind Psychiatry J 2023; 32:402-409. [PMID: 38161477 PMCID: PMC10756615 DOI: 10.4103/ipj.ipj_7_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/06/2023] [Accepted: 04/08/2023] [Indexed: 01/03/2024] Open
Abstract
Background Investigating the core component of social cognition, known as the theory of mind (ToM), becomes imperative in patients with moderate-to-severe traumatic brain injury (TBI) as they may present with social cognitive deficit-related disability interfering with patients' functional and behavioral status. Aims This study aimed to investigate the neurocognitive and behavioral predictors of the ToM in patients with traumatic brain injury (PtTBI). Settings and Design Thirty PtTBI and 30 healthy controls (HCs) were assessed on a set of tasks. Methods and Material The assessment included ToM tasks (cognitive and affective, verbal and nonverbal, and first-order and second-order) along with various neuropsychological (NP) assessments to explore their memory, executive functioning, and intelligence. Further, TBI participants also underwent behavioral and functional outcome measures using the Functional Status Examination (FSE) and the Neurobehavioral Rating Scale (NBRS). Statistical Analysis The obtained data were analyzed using descriptive statistics and regression analyses. Results Findings confirmed ToM deficit across all modes of ToM tasks in PtTBI and implicated the role of executive function and working memory in the expression of ToM in this group. While cognitive faux pas (FPC) and first-order false belief together could explain poor performance on NBRS, the nonverbal ToM task predicts functional outcome in PtTBI. Conclusions These findings have practical implications as they promote cognitive remediation intervention focused on restoring ToM, which may improve functional limitations and resulting disability in PtTBI.
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Affiliation(s)
- Manisha Jha
- Department of Clinical Psychology, Institute of Human Behaviour and Allied Sciences (IHBAS), Dilshad Garden, Delhi, India
| | - Vibha Sharma
- Department of Clinical Psychology, Institute of Human Behaviour and Allied Sciences (IHBAS), Dilshad Garden, Delhi, India
| | - Aldrin Anthony
- Department of Neurology, Institute of Human Behaviour and Allied Sciences (IHBAS), Dilshad Garden, Delhi, India
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Koza LA, Pena C, Russell M, Smith AC, Molnar J, Devine M, Serkova NJ, Linseman DA. Immunocal® limits gliosis in mouse models of repetitive mild-moderate traumatic brain injury. Brain Res 2023; 1808:148338. [PMID: 36966959 PMCID: PMC10258892 DOI: 10.1016/j.brainres.2023.148338] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
Successive traumatic brain injuries (TBIs) exacerbate neuroinflammation and oxidative stress. No therapeutics exist for populations at high risk of repetitive mild TBIs (rmTBIs). We explored the preventative therapeutic effects of Immunocal®, a cysteine-rich whey protein supplement and glutathione (GSH) precursor, following rmTBI and repetitive mild-moderate TBI (rmmTBI). Populations that suffer rmTBIs largely go undiagnosed and untreated; therefore, we first examined the potential therapeutic effect of Immunocal® long-term following rmTBI. Mice were treated with Immunocal® prior to, during, and following rmTBI induced by controlled cortical impact until analysis at 2 weeks, 2 months, and 6 months following the last rmTBI. Astrogliosis and microgliosis were measured in cortex at each time point and edema and macrophage infiltration by MRI were analyzed at 2 months post-rmTBI. Immunocal® significantly reduced astrogliosis at 2 weeks and 2 months post-rmTBI. Macrophage activation was observed at 2 months post-rmTBI but Immunocal® had no significant effect on this endpoint. We did not observe significant microgliosis or edema after rmTBI. The dosing regimen was repeated in mice subjected to rmmTBI; however, using this experimental paradigm, we examined the preventative therapeutic effects of Immunocal® at a much earlier timepoint because populations that suffer more severe rmmTBIs are more likely to receive acute diagnosis and treatment. Increases in astrogliosis, microgliosis, and serum neurofilament light (NfL), as well as reductions in the GSH:GSSG ratio, were observed 72 h post-rmmTBI. Immunocal® only significantly reduced microgliosis after rmmTBI. In summary, we report that astrogliosis persists for 2 months post-rmTBI and that inflammation, neuronal damage, and altered redox homeostasis present acutely following rmmTBI. Immunocal® significantly limited gliosis in these models; however, its neuroprotection was partially overwhelmed by repetitive injury. Treatments that modulate distinct aspects of TBI pathophysiology, used in combination with GSH precursors like Immunocal®, may show more protection in these repetitive TBI models.
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Affiliation(s)
- Lilia A Koza
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Claudia Pena
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Madison Russell
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Alec C Smith
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Jacob Molnar
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Maeve Devine
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States
| | - Natalie J Serkova
- University of Colorado Cancer Center, Department of Radiology, Aurora, CO 80045, United States
| | - Daniel A Linseman
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States; University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States.
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Rodríguez-Rajo P, García-Rudolph A, Sánchez-Carrión R, Aparicio-López C, Enseñat-Cantallops A, García-Molina A. Social and nonsocial cognition: Are they linked? A study on patients with moderate-to-severe traumatic brain injury. APPLIED NEUROPSYCHOLOGY. ADULT 2022; 29:1039-1048. [PMID: 33174449 DOI: 10.1080/23279095.2020.1845171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
OBJECTIVES The first aim was to study the relationship between Social Cognition (SC) and nonsocial Cognition (n-SC) measures in a group of patients with moderate or severe traumatic brain injury (TBI) to assess the dependence or independence of both types of cognition. The second aim was to explore the relationships between SC measures and generate a model based on the results of these relationships. METHODS AND PROCEDURES Forty-three subacute patients with TBI were included in the study. They were administered a SC battery and n-SC battery. SC battery included the following measures: International Affective Picture System (IAPS); Facial Expressions of Emotion-Stimuli Test (FEEST); Moving Shapes Paradigm (MSP); Reading the Mind in the Eyes Test- Revised Version (RMET); Social Decision Making Task (SDMT). n-SC battery included Digit Span Forwards and Backwards; Trail Making Test (Part A); Rey's Auditory Verbal Learning Test; Letter-Number Sequencing; and verbal fluency test (PMR). RESULTS FEEST, MSP and RMET were related to n-SC measures. The exploratory factor analysis shows a two-factor SC structure: Factor 1: Emotional recognition and mentalization (FEEST, MSP and RMET) and Factor 2: Acquisition and contextualization (IAPS and SDMT). CONCLUSION The performance of subjects with moderate-to-severe TBI in the SC measures is related, at least partially, by the performance in the n-SC measures. Our SC model shows a two-factor structure characterized by a first factor that brings together SC measures that are highly related to n-SC domains and a second factor that brings together measures whose performance is not influenced by n-SC domains.
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Affiliation(s)
- P Rodríguez-Rajo
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
- Department of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
| | - A García-Rudolph
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - R Sánchez-Carrión
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - C Aparicio-López
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - A Enseñat-Cantallops
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - A García-Molina
- Institut Guttmann, Institut Universitari de Neurorehabilitació affiliated to the UAB, Badalona, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
- Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
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Motanis H, Khorasani LN, Giza CC, Harris NG. Peering into the Brain through the Retrosplenial Cortex to Assess Cognitive Function of the Injured Brain. Neurotrauma Rep 2021; 2:564-580. [PMID: 34901949 PMCID: PMC8655812 DOI: 10.1089/neur.2021.0044] [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] [Indexed: 11/12/2022] Open
Abstract
The retrosplenial cortex (RSC) is a posterior cortical area that has been drawing increasing interest in recent years, with a growing number of studies studying its contribution to cognitive and sensory functions. From an anatomical perspective, it has been established that the RSC is extensively and often reciprocally connected with the hippocampus, neocortex, and many midbrain regions. Functionally, the RSC is an important hub of the default-mode network. This endowment, with vast anatomical and functional connections, positions the RSC to play an important role in episodic memory, spatial and contextual learning, sensory-cognitive activities, and multi-modal sensory information processing and integration. Additionally, RSC dysfunction has been reported in cases of cognitive decline, particularly in Alzheimer's disease and stroke. We review the literature to examine whether the RSC can act as a cortical marker of persistent cognitive dysfunction after traumatic brain injury (TBI). Because the RSC is easily accessible at the brain's surface using in vivo techniques, we argue that studying RSC network activity post-TBI can shed light into the mechanisms of less-accessible brain regions, such as the hippocampus. There is a fundamental gap in the TBI field about the microscale alterations occurring post-trauma, and by studying the RSC's neuronal activity at the cellular level we will be able to design better therapeutic tools. Understanding how neuronal activity and interactions produce normal and abnormal activity in the injured brain is crucial to understanding cognitive dysfunction. By using this approach, we expect to gain valuable insights to better understand brain disorders like TBI.
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Affiliation(s)
- Helen Motanis
- UCLA Brain Injury Research Center, Department of Neurosurgery, Geffen Medical School, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
| | - Laila N. Khorasani
- UCLA Brain Injury Research Center, Department of Neurosurgery, Geffen Medical School, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
| | - Christopher C. Giza
- UCLA Brain Injury Research Center, Department of Neurosurgery, Geffen Medical School, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
- Department of Pediatrics, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
| | - Neil G. Harris
- UCLA Brain Injury Research Center, Department of Neurosurgery, Geffen Medical School, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
- Intellectual Development and Disabilities Research Center, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, California, USA
- *Address correspondence to: Neil G. Harris, PhD, Department of Neurosurgery, University of California at Los Angeles, Wasserman Building, 300 Stein Plaza, Room 551, Los Angeles, CA 90095, USA;
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Costa A, Bivona U, Sulpizio V, Nappo R, Mastrilli L, Formisano R, Aloisi M, Contrada M, Caltagirone C, Galati G. Reduced Priming Effect for Visual-Spatial Perspective Taking in Patients With Severe Acquired Brain Injury. Arch Clin Neuropsychol 2021; 37:227-239. [PMID: 34423813 DOI: 10.1093/arclin/acab069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/12/2021] [Accepted: 07/21/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Social cognition can be impaired after a severe acquired brain injury (sABI), but mechanisms potentially underlying these difficulties remain to be clarified. This study aimed at investigating perspective taking ability in individuals with sABI. METHOD Twenty individuals with sABI and 20 healthy controls (HCs) have been enrolled in this case-control study. All participants were submitted to an experimental visual-spatial priming memory procedure and a self-report assessment of perspective taking (i.e., the Interpersonal Reactivity Index [IRI]). Individuals with sABI were submitted to neuropsychological tests to assess executive subcomponents, working memory, and visual attention. RESULTS The analysis on self-report scales data documents a significant between groups difference in the IRI-Fantasy subscale, with HCs showing a higher tendency to imaginatively transpose oneself into fictional situations than individuals with sABI. Analysis of performance on the experimental procedure revealed the priming effect in HCs but not in sABI individuals. Moreover, individuals with sABI performed significantly poorer than HCs on the indices of the experimental procedure. CONCLUSIONS Our data preliminarily demonstrated that visual-spatial perspective taking is reduced after sABI. Findings above could give some clues for the rehabilitative intervention in sABI and suggest the possible application of the procedure here used in assessing perspective taking after sABI.
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Affiliation(s)
- Alberto Costa
- Niccolò Cusano University, Rome, Italy.,IRCCS Fondazione Santa Lucia, Rome, Italy
| | | | - Valentina Sulpizio
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Sapienza University, Rome, Italy
| | | | | | | | | | | | - Carlo Caltagirone
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Tor Vergata University, Rome, Italy
| | - Gaspare Galati
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Sapienza University, Rome, Italy
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9
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Cordonier N, Champagne-Lavau M, Fossard M. A New Test of Irony and Indirect Requests Comprehension-The IRRI Test: Validation and Normative Data in French-Speaking Adults. Arch Clin Neuropsychol 2021; 37:173-185. [PMID: 34100534 DOI: 10.1093/arclin/acab043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE Nonliteral language comprehension disorders in individuals with acquired brain injuries (ABI) are frequently reported in the literature but rarely assessed in clinical settings. A major reason is the lack of tools available to clinicians. Therefore, the present study aimed to further promote the pragmatic assessment routine by creating a new nonliteral language comprehension tool for ABI individuals: the IRRI test. This tool is intended to be standardized and capable of directing clinicians to cognitive deficits underlying a poor understanding of nonliteral language-context processing, executive functions, and theory of mind. METHOD Three studies were conducted. The first study aimed at constructing the two IRRI test tasks: the irony and indirect requests comprehension tasks. These tasks integrate the cognitive processes within them. The second study aimed at analyzing the tasks' psychometric qualities in a sample of 33 ABI participants and 33 healthy participants (HC). Preliminary normative data obtained from 102 healthy French-speaking subjects were collected in the third study. RESULTS Significant differences in the IRRI test's performances were observed between the ABI and HC individuals. The indirect requests task demonstrated robust convergent validity and good sensibility to discriminate altered participants among ABI participants. Both IRRI test's tasks also showed excellent test-retest and inter-rater reliability. The preliminary norms were stratified according to the conditions of interest in relation to the cognitive mechanisms underlying the understanding of nonliteral language. CONCLUSIONS The IRRI test is a promising new standardized test of nonliteral language comprehension, which contributes to identifying cognitive-pragmatic profiles to guide therapy.
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Affiliation(s)
- Natacha Cordonier
- Faculté des lettres et sciences humaines, Institut des sciences logopédiques, Université de Neuchâtel, Neuchâtel, Switzerland.,Aix-Marseille Université, CNRS, LPL, Aix-en-Provence, France
| | | | - Marion Fossard
- Faculté des lettres et sciences humaines, Institut des sciences logopédiques, Université de Neuchâtel, Neuchâtel, Switzerland
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Bootsma JN, Turkstra LS, Gorter JW. Expression of propositional attitudes in conversation by adults with traumatic brain injury: A relevance theoretic approach. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2021; 56:346-359. [PMID: 33565185 DOI: 10.1111/1460-6984.12608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/22/2020] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Impairments in social communication are ubiquitous after moderate to severe traumatic brain injury (TBI). Most attempts to quantify these impairments have been descriptive rather than theoretically motivated. We propose that Relevance Theory provides a framework for characterizing social communication limitations after TBI and linking these problems to underlying cognitive impairments. AIMS This study asked how adult speakers with and without TBI used specific linguistic forms in social communication. We selected three linguistic markers that convey thoughts and feelings of the speaker and which are intended to influence the same in the listener: propositional attitude verbs, the discourse marker like and the quotative like. METHODS & PROCEDURES Ten adults with moderate to severe TBI and 12 healthy adults completed 5-min casual conversations with student researcher partners as part of a larger research study. Conversations were transcribed and analysed for the frequency of the three linguistic markers, corrected for total words in the transcript. OUTCOMES & RESULTS Participants in the TBI group used discourse marker like significantly less than participants in the healthy comparison group (0.75% and 2.06% of total words, respectively; p = 0.05, d = -0.43) and showed less variety in functions of like. The use of propositional attitude verbs and quotative like was not affected by TBI. CONCLUSIONS & IMPLICATIONS Expression of propositional attitude seems largely preserved after TBI. Relevance Theory may provide a helpful framework (1) to interpret subtle quantitative and qualitative differences that contribute to social conversation problems of adults with TBI; and (2) to elucidate relations among the social communication signs and symptoms and underlying cognitive impairments. What this paper adds What are the potential or actual clinical implications of this work? More awareness and understanding of how social cognition may look in everyday conversations, may help SLPs who treat patients with such difficulties as a result of TBI.
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Affiliation(s)
- Jael N Bootsma
- School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada
| | - Lyn S Turkstra
- School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada
- Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada
| | - Jan Willem Gorter
- Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada
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McDonald S, Genova H. The effect of severe traumatic brain injury on social cognition, emotion regulation, and mood. HANDBOOK OF CLINICAL NEUROLOGY 2021; 183:235-260. [PMID: 34389120 DOI: 10.1016/b978-0-12-822290-4.00011-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This chapter provides a review of the emotional and psychosocial consequences of moderate to severe traumatic brain injury (TBI). Many of the disorders affecting socioemotional function arise from damage to frontotemporal systems, exacerbated by white matter injury. They include disorders of social cognition, such as the ability to recognize emotions in others, the ability to attribute mental states to others, and the ability to experience empathy. Patients with TBI also often have disorders of emotion regulation. Disorders of drive or apathy can manifest across cognitive, emotional, and behavioral domains. Likewise, disorders of control can lead to dysregulated emotions and behavior. Other disorders, such as loss of self-awareness, are also implicated in poor psychosocial recovery. Finally, this chapter overviews psychiatric disorders associated with TBI, especially anxiety and depression. For each kind of disorder, the nature of the disorder and its prevalence, as well as theoretical considerations and impact on every day functions, are reviewed.
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Affiliation(s)
- Skye McDonald
- School of Psychology, University of New South Wales, Sydney, NSW, Australia.
| | - Helen Genova
- Center for Neuropsychology and Neuroscience Research, Kessler Foundation, East Hanover, NJ, United States
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VanSolkema M, McCann C, Barker-Collo S, Foster A. Attention and Communication Following TBI: Making the Connection through a Meta-Narrative Systematic Review. Neuropsychol Rev 2020; 30:345-361. [PMID: 32712759 DOI: 10.1007/s11065-020-09445-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 07/08/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND AND AIM Communication difficulties are one of the hallmark characteristics of adults following traumatic brain injury (TBI), a difficulty that incorporates multiple aspects of cognition and language. One aspect of cognition that impacts communication is attention. This review explores both attention and communication following moderate to severe TBI and aims to connect them through a narrative analysis of the discourse surrounding the terms and how they have evolved over time. This includes exploring and reviewing theories and specific constructs of these two aspects of cognition. METHOD A meta-narrative systematic literature review was completed according to RAMESES methodology. RESULTS A total of 37 articles were included in the review. The disciplines that populated the articles included, but were not limited to, speech language pathology (SLP) 36.5%, psychology 23.8%, and a collaboration of neuropsychology and SLP 7.9%. Of the papers that were included, 10% explored and supported theories of attention related to executive function affecting communication. Specific levels of attention were mapped onto specific communication skills with the corresponding year and authors to create a timeline and narrative of these concepts. CONCLUSIONS The main communication behaviours that are related to attention in the context of post-TBI cognition include discourse, tangential communication, social communication, auditory comprehension, verbal reasoning, topic maintenance, interpretation of social cues and emotions, verbal expression, reading comprehension, verbal response speed, and subvocal rehearsal.
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Affiliation(s)
- Maegan VanSolkema
- Department of Speech Science, School of Psychology, University of Auckland, Auckland, New Zealand. .,ABI Rehabilitation, NZ, Ltd., Auckland, New Zealand.
| | - Clare McCann
- Department of Speech Science, School of Psychology, University of Auckland, Auckland, New Zealand
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Calvillo M, Irimia A. Neuroimaging and Psychometric Assessment of Mild Cognitive Impairment After Traumatic Brain Injury. Front Psychol 2020; 11:1423. [PMID: 32733322 PMCID: PMC7358255 DOI: 10.3389/fpsyg.2020.01423] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 05/27/2020] [Indexed: 12/13/2022] Open
Abstract
Traumatic brain injury (TBI) can be serious partly due to the challenges of assessing and treating its neurocognitive and affective sequelae. The effects of a single TBI may persist for years and can limit patients’ activities due to somatic complaints (headaches, vertigo, sleep disturbances, nausea, light or sound sensitivity), affective sequelae (post-traumatic depressive symptoms, anxiety, irritability, emotional instability) and mild cognitive impairment (MCI, including social cognition disturbances, attention deficits, information processing speed decreases, memory degradation and executive dysfunction). Despite a growing amount of research, study comparison and knowledge synthesis in this field are problematic due to TBI heterogeneity and factors like injury mechanism, age at or time since injury. The relative lack of standardization in neuropsychological assessment strategies for quantifying sequelae adds to these challenges, and the proper administration of neuropsychological testing relative to the relationship between TBI, MCI and neuroimaging has not been reviewed satisfactorily. Social cognition impairments after TBI (e.g., disturbed emotion recognition, theory of mind impairment, altered self-awareness) and their neuroimaging correlates have not been explored thoroughly. This review consolidates recent findings on the cognitive and affective consequences of TBI in relation to neuropsychological testing strategies, to neurobiological and neuroimaging correlates, and to patient age at and assessment time after injury. All cognitive domains recognized by the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) are reviewed, including social cognition, complex attention, learning and memory, executive function, language and perceptual-motor function. Affect and effort are additionally discussed owing to their relationships to cognition and to their potentially confounding effects. Our findings highlight non-negligible cognitive and affective impairments following TBI, their gravity often increasing with injury severity. Future research should study (A) language, executive and perceptual-motor function (whose evolution post-TBI remains under-explored), (B) the effects of age at and time since injury, and (C) cognitive impairment severity as a function of injury severity. Such efforts should aim to develop and standardize batteries for cognitive subdomains—rather than only domains—with high ecological validity. Additionally, they should utilize multivariate techniques like factor analysis and related methods to clarify which cognitive subdomains or components are indeed measured by standardized tests.
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Affiliation(s)
- Maria Calvillo
- Ethel Percy Andrus Gerontology Center, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, United States
| | - Andrei Irimia
- Ethel Percy Andrus Gerontology Center, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, United States.,Denney Research Center, Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, United States
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Abstract
OBJECTIVE Individuals with multiple sclerosis (MS) can have difficulty on tasks requiring social cognition, including Theory of Mind (ToM) and facial affect recognition. However, most research on social cognition in MS has focused on Relapsing-Remitting MS; less is known about deficits in individuals with progressive MS. This pilot study examined the social cognitive abilities of individuals with progressive MS on a dynamic social cognition task: The Awareness of Social Inference Test - Short Form (TASIT-S). METHODS Fifteen individuals with progressive MS and 17 healthy controls performed TASIT-S, which includes 3 subtests assessing facial affect recognition and ToM. RESULTS The MS group was impaired on all subtests of TASIT-S, including Emotion Evaluation, Social Inference - Minimal, and Social Inference - Enriched, which examine facial affect recognition and ToM. Deficits on TASIT-S were significantly correlated with several cognitive abilities including working memory, learning memory, and verbal IQ. CONCLUSIONS Our findings suggest individuals with progressive MS were impaired across multiple social cognition domains as assessed by the TASIT-S. Furthermore, social cognitive abilities were related to cognitive abilities such as visuospatial memory and executive abilities. Results are discussed in terms of social cognition deficits in MS and how they relate to cognitive abilities.
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The Effects of Moderate-to-Severe Traumatic Brain Injury on Episodic Memory: a Meta-Analysis. Neuropsychol Rev 2019; 29:270-287. [DOI: 10.1007/s11065-019-09413-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 07/30/2019] [Indexed: 12/22/2022]
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Turkstra LS, Duff MC, Politis AM, Mutlu B. Detection of text-based social cues in adults with traumatic brain injury. Neuropsychol Rehabil 2019; 29:789-803. [PMID: 28594270 PMCID: PMC6170715 DOI: 10.1080/09602011.2017.1333012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 05/09/2017] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Written text contains verbal immediacy cues-word form or grammatical cues that indicate positive attitude or liking towards an object, action, or person. We asked if adults with moderate-severe traumatic brain injury (TBI) would respond to these cues, given evidence of TBI-related social communication impairments. METHODS Sixty-nine adults with TBI and 74 healthy comparison (HC) peers read pairs of sentences containing different types of immediacy cues (e.g., speaker A said "these Canadians" vs. B said "those Canadians.") and identified which speaker (A or B) had a more positive attitude towards the underlined entity (Task 1); and pairs of sentences comprised of a context sentence (e.g., Fred is asked, "Did you visit Joan and Sue?") and a statement sentence (Fred says, "I visited Sue and Joan.") and were asked to indicate how much Fred liked or disliked the underlined words (Task 2). RESULTS HC group scores were significantly higher on Task 1, indicating more sensitivity to cues. On Task 2, TBI and HC group ratings differed across cue types and immediacy types, and the TBI group appeared to have less sensitivity to these cues. CONCLUSIONS Findings suggest that TBI-related impairments may reduce sensitivity to subtle social cues in text.
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Affiliation(s)
- Lyn Siobhan Turkstra
- a Department of Communication Sciences and Disorders , University of Wisconsin-Madison , Madison , USA
- b Neuroscience Training Program and Department of Surgery , University of Wisconsin-Madison , Madison , USA
| | - Melissa Collins Duff
- c Department of Hearing and Speech Sciences , Vanderbilt University , Nashville , USA
| | - Adam Michael Politis
- a Department of Communication Sciences and Disorders , University of Wisconsin-Madison , Madison , USA
- d Rehabilitation Medicine Department , National Institutes of Health , Bethesda , USA
| | - Bilge Mutlu
- e Department of Computer Sciences , University of Wisconsin-Madison , Madison , USA
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Bosco FM, Berardinelli L, Parola A. The Ability of Patients With Schizophrenia to Comprehend and Produce Sincere, Deceitful, and Ironic Communicative Intentions: The Role of Theory of Mind and Executive Functions. Front Psychol 2019; 10:827. [PMID: 31139103 PMCID: PMC6519037 DOI: 10.3389/fpsyg.2019.00827] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 03/28/2019] [Indexed: 12/17/2022] Open
Abstract
Patients with schizophrenia are often described as impaired in several cognitive domains. Specifically, patients with schizophrenia often exhibit problems in solving tasks requiring theory of mind (ToM), i.e., the ability to ascribe mental states to oneself and others, communicative-pragmatic ability, i.e., the ability to use language and non-verbal expressive means to convey meaning in a given context, and executive functions (EF). This study aims to investigate the role of cognitive functions, such as general intelligence, selective attention, processing speed, and especially EF (working memory, cognitive flexibility, inhibition, and planning), and ToM in explaining the performance of individual with schizophrenia in comprehending and producing communicative acts expressed with different communicative intentions (i.e., sincere, deceitful, and ironic), and realized through linguistic and extralinguistic/non-verbal expressive means. Thirty-two patients with schizophrenia and an equal number of healthy controls performed tasks aiming to investigate their capacity to comprehend and produce sincere, deceitful, and ironic communicative acts in addition to a series of cognitive tasks evaluating EF and ToM. The results indicated that individuals with schizophrenia performed worse than the controls in the comprehension and production of all pragmatic phenomena investigated, as well as in all the cognitive functions examined. The patients with schizophrenia also exhibited an increasing trend of difficulty in comprehending and producing sincere, deceitful, and ironic communicative acts expressed through either linguistic or extralinguistic means. Furthermore, a multiple regression analysis of the patients' performance on the pragmatic tasks revealed that overall, the role of attention, general intelligence, and processing speed did not appear to significantly explain the patients' communicative-pragmatic performance. The inclusion of EF into the analysis did not contribute to increase the explained variance of the patients' ability to comprehend and produce the various pragmatic phenomena investigated. Only the addition of ToM could significantly increase the explained variance, but only in the comprehension and production of deceit expressed by language and the production of sincere communicative acts, also limited to linguistic production. We conclude that neither EF nor ToM are able to explain the decreasing trend detected in the patients' pragmatic performance.
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Affiliation(s)
- Francesca M. Bosco
- Department of Psychology, University of Turin, Turin, Italy
- Institute of Neuroscience, Turin, Italy
| | | | - Alberto Parola
- Department of Psychology, University of Turin, Turin, Italy
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Evans KJ, Evans DL. Interpretation of non-verbal cues by people with and without TBI: understanding relationship intentions. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2019; 54:377-389. [PMID: 30444068 DOI: 10.1111/1460-6984.12443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 10/26/2018] [Accepted: 10/29/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Although long-term social challenges following traumatic brain injury (TBI) are well documented, the challenges of establishing new relationships following TBI are less understood. AIMS To examine how the type of non-verbal cues produced by an unfamiliar communication partner impacts feelings of relationship closeness by people with and without TBI. METHODS & PROCEDURES In this quasi-experimental comparative mixed-group design, participants included 12 male heterosexual adults with moderate/severe TBI and 10 typical comparison peers. An adaptation of the Relationship Closeness Induction Task (RCIT), a 29-item questionnaire, was completed by all participants to induce relationship closeness through reciprocal self-disclosure during conversation. Participants completed the RCIT three separate times in counterbalanced order. Conversational partners for the RCIT were three female actors trained to convey similar verbal answers to the RCIT questions, but to produce different non-verbal cues: solicitation (i.e., flirting), neutral and rejecting. Following each conversation, the participants completed a 10-item Likert-type questionnaire about the experience. OUTCOMES & RESULTS Between- and within-group non-parametric statistical analysis of Likert questions showed non-significant differences between the two participant groups such that both groups consistently rated the female actor who used flirting non-verbal cues higher than the actor who used rejecting non-verbal cues. CONCLUSIONS & IMPLICATIONS These results suggest a small sample of heterosexual males with TBI interpret non-verbal relationship cues in real-time conversations with unfamiliar partners as well as comparison peers. Clinical implications include the need to consider real-time conversation in assessment and treatment planning for social communication goals related to cognitive-communication impairment.
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Affiliation(s)
- Kelli J Evans
- Western Washington University, Department of Communication Sciences and Disorders, Bellingham, WA, USA
| | - David L Evans
- Western Washington University, Department of Communication Sciences and Disorders, Bellingham, WA, USA
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The Effect of Frontal Lobe Traumatic Brain Injury on Sentence Comprehension and Working Memory. Trauma Mon 2018. [DOI: 10.5812/traumamon.74353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Bosco FM, Gabbatore I, Angeleri R, Zettin M, Parola A. Do executive function and theory of mind predict pragmatic abilities following traumatic brain injury? An analysis of sincere, deceitful and ironic communicative acts. JOURNAL OF COMMUNICATION DISORDERS 2018; 75:102-117. [PMID: 29887277 DOI: 10.1016/j.jcomdis.2018.05.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 05/09/2018] [Accepted: 05/24/2018] [Indexed: 05/25/2023]
Abstract
Quality of life and social integration are strongly influenced by the ability to communicate and previous research has shown that pragmatic ability can be specifically impaired in individuals with traumatic brain injury (TBI). In addition, TBI usually results in damage to the frontotemporal lobes with a consequent impairment of cognitive functions, i.e., attention, memory, executive function (EF) and theory of mind (ToM). The role of the underlying cognitive deficits in determining the communicative-pragmatic difficulties of an individual with TBI is not yet completely clear. This study examined the relationship between the ability to understand and produce various kinds of communicative acts, (i.e., sincere, deceitful and ironic) and the above-mentioned cognitive and ToM abilities following TBI. Thirty-five individuals with TBI and thirty-five healthy controls were given tasks assessing their ability to comprehend and produce sincere, deceitful and ironic communicative acts belonging to the linguistic and extralinguistic scales of the Assessment Battery for Communication (ABaCo), together with a series of EF and ToM tasks. The results showed that, when compared to healthy individuals, participants with TBI performed poorly overall in the comprehension and production of all the pragmatic phenomena investigated, (i.e., sincere, deceitful and ironic communicative acts), and they also exhibited impaired performance at the level of all the cognitive functions examined. Individuals with TBI also showed a decreasing trend in performance in dealing with sincere, deceitful and ironic communicative acts, on both the comprehension and production subscales of the linguistic and extralinguistic scales. Furthermore, a hierarchical regression analysis revealed that - in patients with TBI but not in the controls - EF had a significant effect on the comprehension of linguistic and extralinguistic irony only, while the percentage of explained variance increased with the inclusion of theory of mind. Indeed, ToM had a significant role in determining patients' performance in the extralinguistic production of sincere and deceitful communicative acts, linguistic and extralinguistic comprehension of deceit and the linguistic production of irony. However, with regard to the performance of patients with TBI in the various pragmatic tasks investigated, (i.e., sincere, deceitful and ironic communicative acts), EF was able to explain the pattern of patients' scores in the linguistic and extralinguistic comprehension but not in production ability. Furthermore, ToM seemed not to be able to explain the decreasing trend in the performance of patients in managing the various kinds of communicative acts investigated.
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Affiliation(s)
- F M Bosco
- Department of Psychology, University of Turin, Italy; Institute of neuroscience of Turin, Italy
| | - I Gabbatore
- Department of Psychology, University of Turin, Italy; Child Language Research Center, Research Unit of Logopedics, University of Oulu, Finland.
| | - R Angeleri
- Department of Psychology, University of New Mexico, Albuquerque, NM, USA
| | | | - A Parola
- Department of Psychology, University of Turin, Italy
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Comprehension of Legal Language by Adults With and Without Traumatic Brain Injury. J Head Trauma Rehabil 2018; 34:E55-E63. [PMID: 30169438 DOI: 10.1097/htr.0000000000000434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To characterize comprehension of written legal language in adults with and without traumatic brain injury (TBI). PARTICIPANTS Nineteen adults with moderate-to-severe TBI (11 females) and 21 adults without TBI (13 females), aged 24 to 64 years. METHODS Participants completed a multiple-choice assessment of legal-language comprehension, with written stimuli either presented in their original legal form or manipulated to simplify syntax or use more frequently occurring words. RESULTS Across stimulus types, TBI group participants were significantly less accurate and slower than comparison peers, with no effect of linguistic manipulation. Working memory and reading fluency test scores correlated with task accuracy and speed in both groups. CONCLUSIONS Adults with TBI underperformed their uninjured peers in both accuracy and speed on a task of legal-language comprehension, and these differences were attributable in part to differences in working memory and reading fluency. Results highlight the potential costs of TBI-related communication problems in criminal proceedings and the need to formally evaluate language comprehension in individuals with TBI who are in the criminal justice system.
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Bivona U, Formisano R, Mastrilli L, Zabberoni S, Caltagirone C, Costa A. Theory of Mind after Severe Acquired Brain Injury: Clues for Interpretation. BIOMED RESEARCH INTERNATIONAL 2018; 2018:5205642. [PMID: 30069471 PMCID: PMC6057350 DOI: 10.1155/2018/5205642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/24/2018] [Accepted: 06/04/2018] [Indexed: 11/30/2022]
Abstract
Background. Recently, increased interest has been shown in Theory of Mind (ToM) abilities of individuals with severe acquired brain injury (sABI). ToM impairment following sABI can be associated with altered executive functioning and/or with difficulty in decoding and elaborating emotions. Two main theoretical models have been proposed to explain the mechanisms underlying ToM in the general population: Theory Theory and Simulation Theory. This review presents and discusses the literature on ToM abilities in individuals with sABI by examining whether they sustain the applicability of the Theory Theory and/or Simulation Theory to account for ToM deficits in this clinical population. We found 32 papers that are directly aimed at investigating ToM in sABI. Results did not show the univocal predominance of one model with respect to the other in explaining ToM deficits in sABI. We hypothesised that ToM processes could be explained by coinvolvement of the two models, i.e., according to personal experience, cognitive features, or the emotional resources of the persons with sABI.
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Affiliation(s)
- U. Bivona
- Fondazione Santa Lucia, IRCCS, Rome, Italy
| | | | | | - S. Zabberoni
- Fondazione Santa Lucia, IRCCS, Rome, Italy
- Università telematica Niccolò Cusano, Rome, Italy
| | - C. Caltagirone
- Fondazione Santa Lucia, IRCCS, Rome, Italy
- Università Tor Vergata, Rome, Italy
| | - A. Costa
- Fondazione Santa Lucia, IRCCS, Rome, Italy
- Università telematica Niccolò Cusano, Rome, Italy
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Gauthier S, LeBlanc J, Seresova A, Laberge-Poirier A, A Correa J, Alturki AY, Marcoux J, Maleki M, Feyz M, de Guise E. Acute prediction of outcome and cognitive-communication impairments following traumatic brain injury: The influence of age, education and site of lesion. JOURNAL OF COMMUNICATION DISORDERS 2018; 73:77-90. [PMID: 29709658 DOI: 10.1016/j.jcomdis.2018.04.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 02/28/2018] [Accepted: 04/10/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Communication impairment following a traumatic brain injury (TBI) has been well documented, yet information regarding communication skills in the acute period following the injury is limited in the literature. Also, little is known about the influence of TBI severity (mild, moderate or severe) on cognitive-communication impairments and how these impairments are related to short-term functional outcome. The goal of this study was to assess the performance of adults with mild, moderate and severe TBI on different language tests and to determine how this performance is related to functional capacity. We also aimed to explore which variables among age, sex, education, TBI severity and site of cerebral damage would predict initial language impairments. METHODS Several language tests were administered to a sample of 145 adult patients with TBI of a range of severities admitted to an acute care service and to 113 healthy participants from the community. RESULTS TBI patients of a range of severities performed poorly on all language tests in comparison to the healthy controls. In addition, patients with mild TBI performed better than the moderate and severe groups, except on the reading test and on the semantic naming test. In addition, their performance on verbal fluency, conversational discourse and procedural discourse tasks predicted acute functional outcome. Finally, age, education and TBI severity and site of lesion predicted some language performance. A left temporal lesion was associated with poorer performance in conversational discourse and auditory comprehension tasks, a left frontal lesion with a decrease in the verbal fluency results and a right parietal lesion with decreased auditory comprehension and reasoning skills. CONCLUSION Health care professionals working in the acute care setting should be aware of the possible presence of cognitive-communication impairments in patients with TBI, even for those with mild TBI. These deficits can lead to functional communication problems and assistance may be required for tasks frequently encountered in acute care requiring intact comprehension and expression.
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Affiliation(s)
- Sandra Gauthier
- Department of Psychology, Université de Montréal, Montréal, Canada; Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR), Montréal, Canada
| | - Joanne LeBlanc
- Traumatic Brain Injury Program-McGill University Health Center, Montréal, Canada
| | - Alena Seresova
- Traumatic Brain Injury Program-McGill University Health Center, Montréal, Canada
| | | | - José A Correa
- Department of Mathematics and Statistics, McGill University, Montréal, Canada
| | - Abdulrahman Y Alturki
- Department of Neurology and Neurosurgery, McGill University, Montréal, Canada; Department of Neurosurgery, the National Neuroscience Institute, Riyadh, Saudi Arabia
| | - Judith Marcoux
- Department of Neurology and Neurosurgery, McGill University, Montréal, Canada
| | - Mohammed Maleki
- Department of Neurology and Neurosurgery, McGill University, Montréal, Canada
| | - Mitra Feyz
- Traumatic Brain Injury Program-McGill University Health Center, Montréal, Canada
| | - Elaine de Guise
- Department of Psychology, Université de Montréal, Montréal, Canada; Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR), Montréal, Canada; Department of Neurosurgery, the National Neuroscience Institute, Riyadh, Saudi Arabia; Research Institute-McGill University Health Center, Montréal, Canada.
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Turkstra LS, Norman RS, Mutlu B, Duff MC. Impaired theory of mind in adults with traumatic brain injury: A replication and extension of findings. Neuropsychologia 2018; 111:117-122. [PMID: 29366949 PMCID: PMC5866765 DOI: 10.1016/j.neuropsychologia.2018.01.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 12/28/2017] [Accepted: 01/13/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To replicate a previous study of Theory of Mind (ToM) task performance in adults with traumatic brain injury (TBI) under different working memory (WM) demands, and determine if there are sex-based differences in effects of WM load on ToM task performance. METHOD 58 adults with moderate-severe TBI (24 females) and 66 uninjured adults (34 females) matched group-wise for age, sex, and education viewed a series of video vignettes from the Video Social Inference Task (VSIT) (Turkstra, 2008) and answered ToM questions. Vignette presentation format required updating and maintenance of information, and WM load was manipulated by varying presence of distracters. RESULTS There were main effects of group and WM load, no significant effect of sex, and a marginal interaction of group by WM load, with larger between-group differences in conditions with higher WM load. VSIT scores for the condition with the highest WM load were significantly correlated with scores on the first trial of the California Verbal Learning Test. CONCLUSIONS We replicated findings of lower scores in adults with TBI on a video-based ToM task, and provided additional evidence of the effect of WM load on social cognition task performance. There were no significant accuracy differences between men and women, inconsistent with prior evidence - including our own data using the same test. There is strong evidence of a female advantage on other social cognition tasks, and the parameters of this advantage remain to be discovered.
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Affiliation(s)
- L S Turkstra
- Department of Communication Sciences and Disorders, University of Wisconsin-Madison, United States; Neuroscience Training Program and Department of Surgery, University of Wisconsin-Madison, United States.
| | - R S Norman
- Department of Communication Sciences and Disorders, University of Wisconsin-Madison, United States
| | - B Mutlu
- Department of Computer Sciences, University of Wisconsin-Madison, United States
| | - M C Duff
- Department of Hearing and Speech Sciences, Vanderbilt University, United States
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Cognitive abilities and theory of mind in explaining communicative-pragmatic disorders in patients with schizophrenia. Psychiatry Res 2018; 260:144-151. [PMID: 29195166 DOI: 10.1016/j.psychres.2017.11.051] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 10/29/2017] [Accepted: 11/17/2017] [Indexed: 11/21/2022]
Abstract
Patients with schizophrenia usually show an impairment in their communicative-pragmatic performance; they also have difficulties in cognitive functioning and Theory of Mind (ToM). In the literature it has been proposed that ToM and cognitive deficits have a role in explaining the communicative-pragmatic difficulties of patients with schizophrenia. However, the exact interplay of these functions is still not completely clear. The present research investigates the relationship between communicative-pragmatic, ToM and cognitive impairments (i.e. general intelligence, selective attention, speed processing and EF -working memory, inhibition and flexibility-) in a sample of 26 individuals with schizophrenia and matched controls. The linguistic and extralinguistic scales of the Assessment Battery of Communication (ABaCo), and a series of ToM and cognitive tasks were administered to patients and healthy controls. The results showed that individuals with schizophrenia performed less well than controls in all the tasks investigated. However, a hierarchical regression analysis showed that only ToM, and not cognitive functions, seems to be a predictive variable of patients' performance. Finally, a Fisher's exact test showed that there was not a stable significant relationship between ToM or EF and pragmatic impairment.
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MacDonald S. Introducing the model of cognitive-communication competence: A model to guide evidence-based communication interventions after brain injury. Brain Inj 2017; 31:1760-1780. [DOI: 10.1080/02699052.2017.1379613] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sheila MacDonald
- Adjunct Lecturer, Department of Speech-Language Pathology, University of Toronto, Toronto, Ontario, Canada
- Owner, Sheila MacDonald & Associates, Guelph, Ontario, Canada
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Abstract
OBJECTIVES Multiple sclerosis (MS) can be associated with impaired social cognition. However, social cognition skills have never been explored in the different subtypes of MS. The first aim of this study was to examine whether MS subtypes differ on the course of social cognition. The second aim was to explore the relationship between social cognition performances and executive abilities and mood variables. METHODS Sixty-two patients with MS and 33 healthy matched controls performed experimental tasks assessing facial emotion recognition, theory of mind (ToM), and cognitive functioning, in particular executive functions. RESULTS Patients differed from controls on both measures of social cognition. On the ToM measures, patients with progressive MS scored significantly lower than healthy participants. Patients with primary progressive MS performed worse than both healthy participants and patients with relapsing-remitting MS on the recognition of fearful facial expressions, while patients with secondary progressive MS performed worse on the recognition of facial expressions of sadness. Patients' social cognition difficulties were correlated with processing speed, working memory, and verbal fluency. CONCLUSIONS These preliminary results suggested that there may be qualitative differences in social cognition difficulties among the phenotypes. Furthermore, these impairments were related to executive functions, but unrelated to patients' disability or level of depression. These data highlight the need for research to determine the real impact of these deficits on interpersonal relationships among patients and to confirm these disorders in a larger population with progressive forms of MS. (JINS, 2017, 23, 653-664).
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Neural correlates underlying the comprehension of deceitful and ironic communicative intentions. Cortex 2017; 94:73-86. [DOI: 10.1016/j.cortex.2017.06.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 12/31/2016] [Accepted: 06/13/2017] [Indexed: 12/27/2022]
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Bosco FM, Parola A, Sacco K, Zettin M, Angeleri R. Communicative-pragmatic disorders in traumatic brain injury: The role of theory of mind and executive functions. BRAIN AND LANGUAGE 2017; 168:73-83. [PMID: 28161678 DOI: 10.1016/j.bandl.2017.01.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 10/19/2016] [Accepted: 01/23/2017] [Indexed: 06/06/2023]
Abstract
Previous research has shown that communicative-pragmatic ability, as well as executive functions (EF) and Theory of Mind (ToM), may be impaired in individuals with traumatic brain injury (TBI). However, the role of such cognitive deficits in explaining communicative-pragmatic difficulty in TBI has still not been fully investigated. The study examined the relationship between EF (working memory, planning and flexibility) and ToM and communicative-pragmatic impairment in patients with TBI. 30 individuals with TBI and 30 healthy controls were assessed using the Assessment Battery of Communication (ABaCo), and a set of cognitive, EF and ToM, tasks. The results showed that TBI participants performed poorly in comprehension and production tasks in the ABaCo, using both linguistic and extralinguistic means of expression, and that they were impaired in EF and ToM abilities. Cognitive difficulties were able to predict the pragmatic performance of TBI individuals, with both executive functions and ToM contributing to explaining patients' scores on the ABaCo.
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Affiliation(s)
- Francesca M Bosco
- Center for Cognitive Science, Department of Psychology, University of Turin, Italy; Institute of Neurosciences of Turin, Italy
| | - Alberto Parola
- Center for Cognitive Science, Department of Psychology, University of Turin, Italy.
| | - Katiuscia Sacco
- Center for Cognitive Science, Department of Psychology, University of Turin, Italy; Institute of Neurosciences of Turin, Italy
| | | | - Romina Angeleri
- Department of Psychology, University of New Mexico, NM, United States
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Wang X, Wang QM, Meng Z, Yin Z, Luo X, Yu D. Gait disorder as a predictor of spatial learning and memory impairment in aged mice. PeerJ 2017; 5:e2854. [PMID: 28168099 PMCID: PMC5289446 DOI: 10.7717/peerj.2854] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 12/02/2016] [Indexed: 12/24/2022] Open
Abstract
Objective To investigate whether gait dysfunction is a predictor of severe spatial learning and memory impairment in aged mice. Methods A total of 100 12-month-old male mice that had no obvious abnormal motor ability and whose Morris water maze performances were not significantly different from those of two-month-old male mice were selected for the study. The selected aged mice were then divided into abnormal or normal gait groups according to the results from the quantitative gait assessment. Gaits of aged mice were defined as abnormal when the values of quantitative gait parameters were two standard deviations (SD) lower or higher than those of 2-month-old male mice. Gait parameters included stride length, variability of stride length, base of support, cadence, and average speed. After nine months, mice exhibiting severe spatial learning and memory impairment were separated from mice with mild or no cognitive dysfunction. The rate of severe spatial learning and memory impairment in the abnormal and normal gait groups was tested by a chi-square test and the correlation between gait dysfunction and decline in cognitive function was tested using a diagnostic test. Results The 12-month-old aged mice were divided into a normal gait group (n = 75) and an abnormal gait group (n = 25). Nine months later, three mice in the normal gait group and two mice in the abnormal gait group had died. The remaining mice were subjected to the Morris water maze again, and 17 out of 23 mice in the abnormal gait group had developed severe spatial learning and memory impairment, including six with stride length deficits, 15 with coefficient of variation (CV) in stride length, two with base of support (BOS) deficits, five with cadence dysfunction, and six with average speed deficits. In contrast, only 15 out of 72 mice in the normal gait group developed severe spatial learning and memory impairment. The rate of severe spatial learning and memory impairment was significantly higher in the abnormal gait group as compared to that in the normal gait group (x = 21.986, P < 0.001). All five parameters used to assess gait predicted severe spatial learning and memory impairment in aged mice (P < 0.01). However, the difference of the area under the ROC (receiver operating characteristic) curve for each quantitative gait parameter was not statistically significant. Conclusion Gait disorders are a predictor of severe spatial learning and memory impairment in aged mice, and stride length, variability of stride length, base of support, cadence, and average speed are all sensitive parameters for assessing gait.
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Affiliation(s)
- Xin Wang
- Department of Rehabilitation, Clinical Medical College ,Yangzhou University, Northern Jiangsu Province Hospital, Yangzhou, Jiangsu, China; Stroke Biological Recovery Laboratory, Harvard Medical School, Boston, the United States of America; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, China; Non-coding RNA Center, Yangzhou University, Yangzhou, China
| | - Qing M Wang
- Stroke Biological Recovery Laboratory, Harvard Medical School , Boston , the United States of America
| | - Zhaoxiang Meng
- Department of Rehabilitation, Clinical Medical College ,Yangzhou University, Northern Jiangsu Province Hospital , Yangzhou , Jiangsu , China
| | - Zhenglu Yin
- Department of Rehabilitation, Clinical Medical College ,Yangzhou University, Northern Jiangsu Province Hospital , Yangzhou , Jiangsu , China
| | - Xun Luo
- Department of Rehabilitation Medicine, Nan'ao People's Hospital of Shenzhen , Shenzhen , China
| | - Duonan Yu
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, China; Non-coding RNA Center, Yangzhou University, Yangzhou, China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, China; Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou, China
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Social Disinhibition: Piloting a New Clinical Measure in Individuals with Traumatic Brain Injury. BRAIN IMPAIR 2016. [DOI: 10.1017/brimp.2016.27] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Social disinhibition difficulties are common following traumatic brain injury (TBI). However, clinically sensitive tools to objectively assess the difficulties are lacking. This study aimed to pilot a new clinical measure of social disinhibition, the social disinhibition task (SDT). Whether social disinhibition is dependent on the type of social information judgements required and whether disinhibited responses can be adjusted with additional guidance were also examined. Participants were 31 adults (25 Male) with moderate-to-severe TBI and 22 adult (17 Male) healthy control participants. Participants viewed scenes of complex social situations and were asked to describe a character in them (Part A), describe a character while inhibiting inappropriate or negative responses (Part B), and describe a character while not only inhibiting negative responses, but also providing positive responses (Part C). One-half of the items contained a faux pas requiring participants to make inferences about a character's mental state. TBI and control participants responded similarly to Part A, although control participants responded less positively than TBI participants in the faux pas items. TBI participants were significantly impaired on Part B indicating they experienced difficulties in inhibiting automatic responding. TBI participants were however able to adjust their responding in Part C so that they respond similarly to the control participants. Between group differences were not detected in reaction time. Overall, the SDT appears to be suitable to detect social inhibition difficulties in clinical settings and provides a new direction for remediation of the difficulties in individuals with TBI.
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Honan CA, McDonald S, Sufani C, Hine DW, Kumfor F. The awareness of social inference test: development of a shortened version for use in adults with acquired brain injury. Clin Neuropsychol 2016; 30:243-64. [DOI: 10.1080/13854046.2015.1136691] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Abstract
Multiple sclerosis (MS) is an inflammatory disease of the central nervous system leading to physical and cognitive disability. The impact of the disease on social cognition has only come to light quite recently. The aim of this study was to evaluate the social cognition abilities of MS patients and their links with characteristics of the disease, such as physical disability, cognitive impairment and disease duration.The performances of a group of 64 MS patients were compared with that of 30 matched healthy individuals in facial emotion recognition and Faux Pas tasks as well as on a battery of standardized neuropsychological tests.The MS patients performed worse than the control group in the recognition of the expressions of fear and anger and in the interpretation of faux pas. The impairment in social cognition increased with overall disease course. Executive impairment did not correlate with the performance in the social cognition tests.Our results show that emotional impairment is observed at early stages of the disease in the absence of cognitive dysfunction, even if social cognition abilities worsen with the progression of MS. These data highlight the need to attempt to identify these impairments in clinical practice.
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