1
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Anderson EJ, Midgley KJ, Holcomb PJ, Riès SK. Taxonomic and thematic semantic relationships in picture naming as revealed by Laplacian-transformed event-related potentials. Psychophysiology 2022; 59:e14091. [PMID: 35554943 PMCID: PMC9788343 DOI: 10.1111/psyp.14091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 03/30/2022] [Accepted: 04/20/2022] [Indexed: 12/31/2022]
Abstract
Semantically related concepts co-activate when we speak. Prior research reported both behavioral interference and facilitation due to co-activation during picture naming. Different word relationships may account for some of this discrepancy. Taxonomically related words (e.g., WOLF-DOG) have been associated with semantic interference; thematically related words (e.g., BONE-DOG) have been associated with facilitation. Although these different semantic relationships have been associated with opposite behavioral outcomes, electrophysiological studies have found inconsistent effects on event-related potentials. We conducted a picture-word interference electroencephalography experiment to examine word retrieval dynamics in these different semantic relationships. Importantly, we used traditional monopolar analysis as well as Laplacian transformation allowing us to examine spatially deblurred event-related components. Both analyses revealed greater negativity (150-250 ms) for unrelated than related taxonomic pairs, though more restricted in space for thematic pairs. Critically, Laplacian analyses revealed a larger negative-going component in the 300 to 500 ms time window in taxonomically related versus unrelated pairs which were restricted to a left frontal recording site. In parallel, an opposite effect was found in the same time window but localized to a left parietal site. Finding these opposite effects in the same time window was feasible thanks to the use of the Laplacian transformation and suggests that frontal control processes are concurrently engaged with cascading effects of the spread of activation through semantically related representations.
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Affiliation(s)
- Elizabeth J. Anderson
- Joint Doctoral Program in Language and Communicative DisordersSan Diego State UniversitySan DiegoCaliforniaUSA,Joint Doctoral Program in Language and Communicative DisordersUniversity of California San DiegoLa JollaCaliforniaUSA
| | | | - Phillip J. Holcomb
- Department of PsychologySan Diego State UniversitySan DiegoCaliforniaUSA
| | - Stephanie K. Riès
- School of Speech, Language, and Hearing SciencesSan Diego State UniversitySan DiegoCaliforniaUSA
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2
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McCall JD, Vivian Dickens J, Mandal AS, DeMarco AT, Fama ME, Lacey EH, Kelkar A, Medaglia JD, Turkeltaub PE. Structural disconnection of the posterior medial frontal cortex reduces speech error monitoring. Neuroimage Clin 2022; 33:102934. [PMID: 34995870 PMCID: PMC8739872 DOI: 10.1016/j.nicl.2021.102934] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/25/2021] [Accepted: 12/31/2021] [Indexed: 11/29/2022]
Abstract
Optimal performance in any task relies on the ability to detect and correct errors. The anterior cingulate cortex and the broader posterior medial frontal cortex (pMFC) are active during error processing. However, it is unclear whether damage to the pMFC impairs error monitoring. We hypothesized that successful error monitoring critically relies on connections between the pMFC and broader cortical networks involved in executive functions and the task being monitored. We tested this hypothesis in the context of speech error monitoring in people with post-stroke aphasia. Diffusion weighted images were collected in 51 adults with chronic left-hemisphere stroke and 37 age-matched control participants. Whole-brain connectomes were derived using constrained spherical deconvolution and anatomically-constrained probabilistic tractography. Support vector regressions identified white matter connections in which lost integrity in stroke survivors related to reduced error detection during confrontation naming. Lesioned connections to the bilateral pMFC were related to reduce error monitoring, including many connections to regions associated with speech production and executive function. We conclude that connections to the pMFC support error monitoring. Error monitoring in speech production is supported by the structural connectivity between the pMFC and regions involved in speech production, comprehension, and executive function. Interactions between pMFC and other task-relevant processors may similarly be critical for error monitoring in other task contexts.
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Affiliation(s)
- Joshua D McCall
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA
| | - J Vivian Dickens
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Ayan S Mandal
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA; Psychiatry Department, University of Cambridge, Cambridge CB2 1TN, UK
| | - Andrew T DeMarco
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA; Rehabilitation Medicine Department, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Mackenzie E Fama
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA; Department of Speech, Language, and Hearing Sciences, The George Washington University, DC 20052, USA
| | - Elizabeth H Lacey
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA; Research Division, MedStar National Rehabilitation Hospital, Washington, DC 20010, USA
| | - Apoorva Kelkar
- Psychology Department, Drexel University, Philadelphia, PA 19104, USA
| | - John D Medaglia
- Psychology Department, Drexel University, Philadelphia, PA 19104, USA; Neurology Department, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Peter E Turkeltaub
- Center for Brain Plasticity and Recovery and Neurology Department, Georgetown University Medical Center, Washington, DC 20007, USA; Research Division, MedStar National Rehabilitation Hospital, Washington, DC 20010, USA; Rehabilitation Medicine Department, Georgetown University Medical Center, Washington, DC 20007, USA.
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3
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Mendoza MN, Blumenfeld HK, Knight RT, Ries SK. Investigating the Link Between Linguistic and Non-Linguistic Cognitive Control in Bilinguals Using Laplacian-Transformed Event Related Potentials. NEUROBIOLOGY OF LANGUAGE (CAMBRIDGE, MASS.) 2021; 2:605-627. [PMID: 35243348 PMCID: PMC8886518 DOI: 10.1162/nol_a_00056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 09/10/2021] [Indexed: 06/14/2023]
Abstract
Bilinguals' need to suppress the activation of their other language while speaking has been proposed to result in enhanced cognitive control abilities outside of language. Several studies therefore suggest shared cognitive control processes across linguistic and non-linguistic tasks. Here we investigate this potential overlap using scalp electroencephalographic recordings and the Laplacian transformation, providing an estimation of the current source density and enabling the separation of EEG components in space. Fourteen Spanish-English bilinguals performed a picture-word matching task contrasting incongruent trials using cross-linguistic false cognates (e.g., a picture - foot, overlaid with distractor text: the English word PIE, i.e., the false cognate for the Spanish pie meaning "foot") with congruent trials (matching English picture names and words, i.e., a picture - foot, with overlaid text: the English word FOOT), and an unrelated control condition. In addition, participants performed an arrow-version of the Eriksen flanker task. Worse behavioral performance was observed in incongruent compared to congruent trials in both tasks. In the non-linguistic task, we replicated the previously observed congruency effect on a medial-frontal event-related potential (ERP) peaking around 50 ms before electromyography (EMG) onset. A similar ERP was present in the linguistic task, was sensitive to congruency, and peaked earlier, around 150 ms before EMG onset. In addition, another component was found in the linguistic task at a left lateralized anterior frontal site peaking around 200 ms before EMG onset, but was absent in the non-linguistic task. Our results suggest a partial overlap between linguistic and non-linguistic cognitive control processes and that linguistic conflict resolution may engage additional left anterior frontal control processes.
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Affiliation(s)
- Martha N. Mendoza
- Helen Wills Neuroscience Institute and Department of Psychology, University of
California, Berkeley, Berkeley, CA, USA
| | - Henrike K. Blumenfeld
- SDSU-UCSD Joint Doctoral Program in Language and Communicative Disorders, San
Diego, CA, USA
| | - Robert T. Knight
- Helen Wills Neuroscience Institute and Department of Psychology, University of
California, Berkeley, Berkeley, CA, USA
| | - Stephanie K. Ries
- School of Speech, Language, and Hearing Sciences, San Diego State University,
San Diego, CA, USA
- Center for Clinical and Cognitive Neuroscience, San Diego State University, San
Diego, CA, USA
- SDSU-UCSD Joint Doctoral Program in Language and Communicative Disorders, San
Diego, CA, USA
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4
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van der Stelt CM, Fama ME, Mccall JD, Snider SF, Turkeltaub PE. Intellectual awareness of naming abilities in people with chronic post-stroke aphasia. Neuropsychologia 2021; 160:107961. [PMID: 34274379 PMCID: PMC8405585 DOI: 10.1016/j.neuropsychologia.2021.107961] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 07/02/2021] [Accepted: 07/13/2021] [Indexed: 11/21/2022]
Abstract
Anosognosia, or lack of self-awareness, is often present following neurological injury and can result in poor functional outcomes. The specific phenomenon of intellectual awareness, the knowledge that a function is impaired in oneself, has not been widely studied in post-stroke aphasia. We aim to identify behavioral and neural correlates of intellectual awareness by comparing stroke survivors' self-reports of anomia to objective naming performance and examining lesion sites. Fifty-three participants with chronic aphasia without severe comprehension deficits rated their naming ability and completed a battery of behavioral tests. We calculated the reliability and accuracy of participant self-ratings, then examined the relationship of poor intellectual awareness to speech, language, and cognitive measures. We used support vector regression lesion-symptom mapping (SVR-LSM) to determine lesion locations associated with impaired and preserved intellectual awareness. Reliability and accuracy of self-ratings varied across the participants. Poor intellectual awareness was associated with reduced performance on tasks that rely on semantics. Our SVR-LSM results demonstrated that anterior inferior frontal lesions were associated with poor awareness, while mid-superior temporal lesions were associated with preserved awareness. An anterior-posterior gradient was evident in the unthresholded lesion-symptom maps. While many people with chronic aphasia and relatively intact comprehension can accurately and reliably report the severity of their anomia, others overestimate, underestimate, or inconsistently estimate their naming abilities. Clinicians should consider this when administering self-rating scales, particularly when semantic deficits or anterior inferior frontal lesions are present. Administering self-ratings on multiple days may be useful to check the reliability of patient perceptions.
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Affiliation(s)
- Candace M van der Stelt
- Center for Brain Plasticity and Recovery, Georgetown University Medical Center, USA; Department of Neurology, Georgetown University Medical Center, USA; Research Division, MedStar National Rehabilitation Hospital, USA
| | - Mackenzie E Fama
- Center for Brain Plasticity and Recovery, Georgetown University Medical Center, USA; Department of Neurology, Georgetown University Medical Center, USA; Department of Speech, Language and Hearing Sciences, George Washington University, USA
| | - Joshua D Mccall
- Center for Brain Plasticity and Recovery, Georgetown University Medical Center, USA; Department of Neurology, Georgetown University Medical Center, USA
| | - Sarah F Snider
- Department of Neurology, Georgetown University Medical Center, USA
| | - Peter E Turkeltaub
- Center for Brain Plasticity and Recovery, Georgetown University Medical Center, USA; Department of Neurology, Georgetown University Medical Center, USA; Research Division, MedStar National Rehabilitation Hospital, USA.
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5
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Silkes JP, Anjum J. The role and use of event-related potentials in aphasia: A scoping review. BRAIN AND LANGUAGE 2021; 219:104966. [PMID: 34044294 DOI: 10.1016/j.bandl.2021.104966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Event-related potentials (ERPs) can provide important insights into underlying language processes in both unimpaired and neurologically impaired populations and may be particularly useful in aphasia. This scoping review was conducted to provide a comprehensive summary of how ERPs have been used with people with aphasia (PWA), with the goal of exploring the potential clinical application of ERPs in aphasia assessment and treatment. We identified 117 studies that met inclusionary criteria, reflecting six thematic domains of inquiry that relate to understanding both unimpaired and aphasic language processing and the use of ERPs with PWA. In these studies, a wide variety of ERP components were reported. Inconsistencies in reporting of participant characteristics and study protocols limit our ability to generalize beyond the individual studies and understand implications for clinical applicability. We discuss the potential roles of ERPs in aphasia management and make recommendations for further developing ERPs for clinical utility in PWA.
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Affiliation(s)
- JoAnn P Silkes
- School of Speech, Language, and Hearing Sciences, San Diego State University, 5500 Campanile Rd, SLHS-1518, San Diego, CA 92182-1518, USA.
| | - Javad Anjum
- Speech-Language Pathology, Saint Gianna School of Health Sciences, University of Mary, 7500 University Dr. Bismarck, ND 58504, USA.
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6
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Ries SK, Pinet S, Nozari NB, Knight RT. Characterizing multi-word speech production using event-related potentials. Psychophysiology 2021; 58:e13788. [PMID: 33569829 PMCID: PMC8193832 DOI: 10.1111/psyp.13788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 11/25/2020] [Accepted: 01/19/2021] [Indexed: 11/30/2022]
Abstract
Event-related potentials (ERPs) derived from electroencephalography (EEG) have proven useful for understanding linguistic processes during language perception and production. Words are commonly produced in sequences, yet most ERP studies have used single-word experimental designs. Single-word designs reduce potential ERP overlap in word sequence production. However, word sequence production engages brain mechanisms in different ways than single word production. In particular, speech monitoring and planning mechanisms are more engaged than for single words since several words must be produced in a short period of time. This study evaluates the feasibility of recording ERP components in the context of word sequence production, and whether separate components could be isolated for each word. Scalp EEG data were acquired, while participants recited word sequences from memory at a regular pace, using a tongue-twister paradigm. The results revealed fronto-central error-related negativity, previously associated with speech monitoring, which could be distinguished for each word. Its peak amplitude was sensitive to Cycle and Phonological Similarity. However, an effect of sequential production was also observable on baseline measures, indicating baseline shifts throughout the word sequence due to concurrent sustained medial-frontal EEG activity. We also report a late left anterior negativity (LLAN), associated with verbal response planning and execution, onsetting around 100 ms before the first word in each cycle and sustained throughout the rest of the cycle. This work underlines the importance of considering the contribution of transient and sustained EEG activity on ERPs, and provides evidence that ERPs can be used to study sequential word production.
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Affiliation(s)
- Stephanie K Ries
- School of Speech, Language, and Hearing Sciences, Center for Clinical and Cognitive Neuroscience, San Diego State University, SDSU-UCSD Joint Doctoral Program in Language and Communicative Disorders, San Diego, CA, USA
| | - Svetlana Pinet
- Basque Center on Cognition, Brain and Language, San Sebastian, Spain
| | - N Bonnie Nozari
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Robert T Knight
- Helen Wills Neuroscience Institute, UC Berkeley, Berkeley, CA, USA
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7
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Pezzetta R, Wokke ME, Aglioti SM, Ridderinkhof KR. Doing it Wrong: A Systematic Review on Electrocortical and Behavioral Correlates of Error Monitoring in Patients with Neurological Disorders. Neuroscience 2021; 486:103-125. [PMID: 33516775 DOI: 10.1016/j.neuroscience.2021.01.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/15/2021] [Accepted: 01/19/2021] [Indexed: 12/23/2022]
Abstract
Detecting errors in one's own and other's actions is a crucial ability for learning and adapting behavior to everchanging, highly volatile environments. Studies in healthy people demonstrate that monitoring errors in one's own and others' actions are underpinned by specific neural systems that are dysfunctional in a variety of neurological disorders. In this review, we first briefly discuss the main findings concerning error detection and error awareness in healthy subjects, the current theoretical models, and the tasks usually applied to investigate these processes. Then, we report a systematic search for evidence of dysfunctional error monitoring among neurological populations (basal ganglia, neurodegenerative, white-matter diseases and acquired brain injury). In particular, we examine electrophysiological and behavioral evidence for specific alterations of error processing in neurological disorders. Error-related negativity (ERN) amplitude were reduced in most (although not all) neurological patient groups, whereas Positivity Error (Pe) amplitude appeared not to be affected in most patient groups. Also theta activity was reduced in some neurological groups, but consistent evidence on the oscillatory activity has not been provided thus far. Behaviorally, we did not observe relevant patterns of pronounced dysfunctional (post-) error processing. Finally, we discuss limitations of the existing literature, conclusive points, open questions and new possible methodological approaches for clinical studies.
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Affiliation(s)
- R Pezzetta
- IRCCS San Camillo Hospital, Venice, Italy.
| | - M E Wokke
- Programs in Psychology and Biology, The Graduate Center of the City University of New York, New York, NY, USA; Department of Psychology, The University of Cambridge, Cambridge, UK
| | - S M Aglioti
- Sapienza University of Rome and CNLS@Sapienza at Istituto Italiano di Tecnologia, Via Regina Elena 295, 00161 Rome, Italy; Fondazione Santa Lucia, IRCCS, Rome, Italy
| | - K R Ridderinkhof
- Department of Psychology, University of Amsterdam, Nieuwe Achtergracht 129B, 1018, WS, Amsterdam, The Netherlands; Amsterdam Brain & Cognition (ABC), University of Amsterdam, Amsterdam, The Netherlands
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8
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Riès SK, Nadalet L, Mickelsen S, Mott M, Midgley KJ, Holcomb PJ, Emmorey K. Pre-output Language Monitoring in Sign Production. J Cogn Neurosci 2020; 32:1079-1091. [PMID: 32027582 PMCID: PMC7234262 DOI: 10.1162/jocn_a_01542] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
A domain-general monitoring mechanism is proposed to be involved in overt speech monitoring. This mechanism is reflected in a medial frontal component, the error negativity (Ne), present in both errors and correct trials (Ne-like wave) but larger in errors than correct trials. In overt speech production, this negativity starts to rise before speech onset and is therefore associated with inner speech monitoring. Here, we investigate whether the same monitoring mechanism is involved in sign language production. Twenty deaf signers (American Sign Language [ASL] dominant) and 16 hearing signers (English dominant) participated in a picture-word interference paradigm in ASL. As in previous studies, ASL naming latencies were measured using the keyboard release time. EEG results revealed a medial frontal negativity peaking within 15 msec after keyboard release in the deaf signers. This negativity was larger in errors than correct trials, as previously observed in spoken language production. No clear negativity was present in the hearing signers. In addition, the slope of the Ne was correlated with ASL proficiency (measured by the ASL Sentence Repetition Task) across signers. Our results indicate that a similar medial frontal mechanism is engaged in preoutput language monitoring in sign and spoken language production. These results suggest that the monitoring mechanism reflected by the Ne/Ne-like wave is independent of output modality (i.e., spoken or signed) and likely monitors prearticulatory representations of language. Differences between groups may be linked to several factors including differences in language proficiency or more variable lexical access to motor programming latencies for hearing than deaf signers.
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Affiliation(s)
| | | | | | | | | | | | - Karen Emmorey
- San Diego State University
- University of California, San Diego
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9
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Vidal F, Burle B, Hasbroucq T. Errors and Action Monitoring: Errare Humanum Est Sed Corrigere Possibile. Front Hum Neurosci 2020; 13:453. [PMID: 31998101 PMCID: PMC6962188 DOI: 10.3389/fnhum.2019.00453] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 12/09/2019] [Indexed: 01/12/2023] Open
Abstract
It was recognized long ago by Seneca through his famous "errare humanum est." that the human information processing system is intrinsically fallible. What is newer is the fact that, at least in sensorimotor information processing realized under time pressure, errors are largely dealt with by several (psycho)physiological-specific mechanisms: prevention, detection, inhibition, correction, and, if these mechanisms finally fail, strategic behavioral adjustments following errors. In this article, we review several datasets from laboratory experiments, showing that the human information processing system is well equipped not only to detect and correct errors when they occur but also to detect, inhibit, and correct them even before they fully develop. We argue that these (psycho)physiological mechanisms are important to consider when the brain works in everyday settings in order to render work systems more resilient to human errors and, thus, safer.
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Affiliation(s)
- Franck Vidal
- Aix-Marseille Université, CNRS, LNC UMR 7291, Marseille, France
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10
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Pinet S, Nozari N. Electrophysiological Correlates of Monitoring in Typing with and without Visual Feedback. J Cogn Neurosci 2019; 32:603-620. [PMID: 31702430 DOI: 10.1162/jocn_a_01500] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
New theories of monitoring in language production, regardless of their mechanistic differences, all posit monitoring mechanisms that share general computational principles with action monitoring. This perspective, if accurate, would predict that many electrophysiological signatures of performance monitoring should be recoverable from language production tasks. In this study, we examined both error-related and feedback-related EEG indices of performance monitoring in the context of a typing-to-dictation task. To disentangle the contribution of the external from internal monitoring processes, we created a condition where participants immediately saw the word they typed (the immediate-feedback condition) versus one in which displaying the word was delayed until the end of the trial (the delayed-feedback condition). The removal of immediate visual feedback prompted a stronger reliance on internal monitoring processes, which resulted in lower correction rates and a clear error-related negativity. Compatible with domain-general monitoring views, an error positivity was only recovered under conditions where errors were detected or had a high likelihood of being detected. Examination of the feedback-related indices (feedback-related negativity and frontocentral positivity) revealed a two-stage process of integration of internal and external information. The recovery of a full range of well-established EEG indices of action monitoring in a language production task strongly endorses domain-general views of monitoring. Such indices, in turn, are helpful in understanding how information from different monitoring channels are combined.
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11
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Howard CM, Smith LL, Coslett HB, Buxbaum LJ. The role of conflict, feedback, and action comprehension in monitoring of action errors: Evidence for internal and external routes. Cortex 2019; 115:184-200. [PMID: 30831536 DOI: 10.1016/j.cortex.2019.01.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/10/2018] [Accepted: 01/16/2019] [Indexed: 11/19/2022]
Abstract
The mechanisms and brain regions underlying error monitoring in complex action are poorly understood, yet errors and impaired error correction in these tasks are hallmarks of apraxia, a common disorder associated with left hemisphere stroke. Accounts of monitoring of language posit an internal route by which production planning or competition between candidate representations provide predictive signals that monitoring is required to prevent error, and an external route in which output is monitored using the comprehension system. Abnormal reliance on the external route has been associated with damage to brain regions critical for sensory-motor transformation and a pattern of gradual error 'clean-up' called conduite d'approche (CD). Action pantomime data from 67 participants with left hemisphere stroke were consistent with versions of internal route theories positing that competition signals monitoring requirements. Support Vector Regression Lesion Symptom Mapping (SVR-LSM) showed that lesions in the inferior parietal, posterior temporal, and arcuate fasciculus/superior longitudinal fasciculus predicted action conduite d'approche, overlapping the regions previously observed in the language domain. A second experiment with 12 patients who produced substantial action CD assessed whether factors impacting the internal route (action production ability, competition) versus external route (vision of produced actions, action comprehension) influenced correction attempts. In these 'high CD' patients, vision of produced actions and integrity of gesture comprehension interacted to determine successful error correction, supporting external route theories. Viewed together, these and other data suggest that skilled actions are monitored both by an internal route in which conflict aids in detection and correction of errors during production planning, and an external route that detects mismatches between produced actions and stored knowledge of action appearance. The parallels between language and action monitoring mechanisms and neuroanatomical networks pave the way for further exploration of common and distinct processes across these domains.
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Affiliation(s)
| | - Louisa L Smith
- Moss Rehabilitation Research Institute, Elkins Park, PA, USA
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12
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Anders R, Riès S, Van Maanen L, Alario FX. Lesions to the left lateral prefrontal cortex impair decision threshold adjustment for lexical selection. Cogn Neuropsychol 2017; 34:1-20. [PMID: 28632042 PMCID: PMC8191230 DOI: 10.1080/02643294.2017.1282447] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Patients with lesions in the left prefrontal cortex (PFC) have been shown to be impaired in lexical selection, especially when interference between semantically related alternatives is increased. To more deeply investigate which computational mechanisms may be impaired following left PFC damage due to stroke, a psychometric modelling approach is employed in which we assess the cognitive parameters of the patients from an evidence accumulation (sequential information sampling) modelling of their response data. We also compare the results to healthy speakers. Analysis of the cognitive parameters indicates an impairment of the PFC patients to appropriately adjust their decision threshold, in order to handle the increased item difficulty that is introduced by semantic interference. Also, the modelling contributes to other topics in psycholinguistic theory, in which specific effects are observed on the cognitive parameters according to item familiarization, and the opposing effects of priming (lower threshold) and semantic interference (lower drift) which are found to depend on repetition. These results are developed for the blocked-cyclic picture naming paradigm, in which pictures are presented within semantically homogeneous (HOM) or heterogeneous (HET) blocks, and are repeated several times per block. Overall, the results are in agreement with a role of the left PFC in adjusting the decision threshold for lexical selection in language production.
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Affiliation(s)
- Royce Anders
- Aix Marseille Univ, CNRS, LPC, Marseille, France
| | - Stéphanie Riès
- Department of Psychology and Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
- School of Speech, Language, and Hearing Sciences, San Diego State University, San Diego, CA, USA
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13
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Nozari N, Freund M, Breining B, Rapp B, Gordon B. Cognitive control during selection and repair in word production. LANGUAGE, COGNITION AND NEUROSCIENCE 2016; 31:886-903. [PMID: 28133620 PMCID: PMC5268164 DOI: 10.1080/23273798.2016.1157194] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Accepted: 02/13/2016] [Indexed: 06/02/2023]
Abstract
Production of an intended word entails selection processes, in which first the lexical item and then its segments are selected among competitors, as well as processes that covertly or overtly repair dispreferred words. In two experiments, we studied the locus of the control processes involved in selection (selection control) and intercepting errors (post-monitoring control). Selection control was studied by manipulating the overlap (contextual similarity) in either semantics or in segments between two objects that participants repeatedly named. Post-monitoring control was examined by asking participants to reverse, within each block, the name of the two objects that were either semantically- or segmentally-related, thus suppressing a potent, but incorrect, response in favor of an alternative (reversal). Results showed robust costs of both contextual similarity (which increased with the degree of similarity between target and context) and reversal, but the two did not interact with one another. Analysis of individual differences revealed no reliable correlation between the cost of contextual similarity when pairs were semantically- or segmentally-related, suggesting stage-specific selection control processes. On the other hand, the cost of reversal was reliably correlated between semantically- and segmentally-related pairs, implying a different control process that is shared by both stages of production. Collectively, these results support a model in which selection control operates separately at lexical and segmental selection stages, but post-monitoring control operates on the segmentally-encoded outcome.
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Affiliation(s)
- Nazbanou Nozari
- Department of Neurology, Johns Hopkins University School of Medicine
- Department of Cognitive Science, Johns Hopkins University
| | - Michael Freund
- Department of Neurology, Johns Hopkins University School of Medicine
| | | | - Brenda Rapp
- Department of Cognitive Science, Johns Hopkins University
| | - Barry Gordon
- Department of Neurology, Johns Hopkins University School of Medicine
- Department of Cognitive Science, Johns Hopkins University
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Riès SK, Fraser D, McMahon KL, de Zubicaray GI. Early and Late Electrophysiological Effects of Distractor Frequency in Picture Naming: Reconciling Input and Output Accounts. J Cogn Neurosci 2015; 27:1936-47. [PMID: 26042502 DOI: 10.1162/jocn_a_00831] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The "distractor-frequency effect" refers to the finding that high-frequency (HF) distractor words slow picture naming less than low-frequency distractors in the picture-word interference paradigm. Rival input and output accounts of this effect have been proposed. The former attributes the effect to attentional selection mechanisms operating during distractor recognition, whereas the latter attributes it to monitoring/decision mechanisms operating on distractor and target responses in an articulatory buffer. Using high-density (128-channel) EEG, we tested hypotheses from these rival accounts. In addition to conducting stimulus- and response-locked whole-brain corrected analyses, we investigated the correct-related negativity, an ERP observed on correct trials at fronto-central electrodes proposed to reflect the involvement of domain general monitoring. The whole-brain ERP analysis revealed a significant effect of distractor frequency at inferior right frontal and temporal sites between 100 and 300-msec post-stimulus onset, during which lexical access is thought to occur. Response-locked, region of interest (ROI) analyses of fronto-central electrodes revealed a correct-related negativity starting 121 msec before and peaking 125 msec after vocal onset on the grand averages. Slope analysis of this component revealed a significant difference between HF and low-frequency distractor words, with the former associated with a steeper slope on the time window spanning from 100 msec before to 100 msec after vocal onset. The finding of ERP effects in time windows and components corresponding to both lexical processing and monitoring suggests the distractor frequency effect is most likely associated with more than one physiological mechanism.
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Ries SK, Greenhouse I, Dronkers NF, Haaland KY, Knight RT. Double dissociation of the roles of the left and right prefrontal cortices in anticipatory regulation of action. Neuropsychologia 2014; 63:215-25. [PMID: 25201047 DOI: 10.1016/j.neuropsychologia.2014.08.026] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 08/11/2014] [Accepted: 08/20/2014] [Indexed: 10/24/2022]
Abstract
Recent actions can benefit or disrupt our current actions and the prefrontal cortex (PFC) is thought to play a major role in the regulation of these actions before they occur. The left PFC has been associated with overcoming interference from past events in the context of language production and working memory. The right PFC, and especially the right IFG, has been associated with preparatory inhibition processes. But damage to the right PFC has also been associated with impairment in sustaining actions in motor intentional disorders. Moreover, bilateral dorsolateral PFC has been associated with the ability to maintain task-sets, and improve the performance of current actions based on previous experience. However, potential hemispheric asymmetries in anticipatory regulation of action have not yet been delineated. In the present study, patients with left (n=7) vs. right (n=6) PFC damage due to stroke and 14 aged- and education-matched controls performed a picture naming and a verbal Simon task (participants had to say "right" or "left" depending on the color of the picture while ignoring its position). In both tasks, performance depended on the nature of the preceding trial, but in different ways. In the naming task, performance decreased if previous pictures were from the same rather than from different semantic categories (i.e., semantic interference effect). In the Simon task, performance was better for both compatible (i.e., response matching the position of the stimulus) and incompatible trials when preceded by a trial of the same compatibility (i.e. Gratton effect) relative to sequential trials of different compatibility. Left PFC patients were selectively impaired in picture naming; they had an increased semantic interference effect compared to both right PFC patients and aged-matched controls. Conversely, right PFC patients were selectively impaired in the Simon task compared to controls or left PFC patients; they showed no benefit when sequential trials were compatible (cC vs. iC trials) or a decreased Gratton effect. These results provide evidence for a double dissociation between left and right PFC in the anticipatory regulation of action. Our results are in agreement with a preponderant role of the left PFC in overcoming proactive interference from competing memory representations and provide evidence that the right PFC, plays a role in sustaining goal-directed actions consistent with clinical data in right PFC patients with motor intentional disorders.
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Affiliation(s)
- S K Ries
- Department of Psychology, University of California, Berkeley, USA.
| | - I Greenhouse
- Department of Psychology, University of California, Berkeley, USA
| | - N F Dronkers
- Veterans Affairs Northern California Health Care System, Martinez, USA; University of California, Davis, USA
| | - K Y Haaland
- Department of Psychiatry, University of New Mexico, Albuquerque, NM, USA; Department of Neurology, University of New Mexico, Albuquerque, NM, USA
| | - R T Knight
- Department of Psychology, University of California, Berkeley, USA
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Abstract
The prefrontal cortex (PFC), a cortical region that was once thought to be functionally insignificant, is now known to play an essential role in the organization and control of goal-directed thought and behavior. Neuroimaging, neurophysiological, and modeling techniques have led to tremendous advances in our understanding of PFC functions over the last few decades. It should be noted, however, that neurological, neuropathological, and neuropsychological studies have contributed some of the most essential, historical, and often prescient conclusions regarding the functions of this region. Importantly, examination of patients with brain damage allows one to draw conclusions about whether a brain area is necessary for a particular function. Here, we provide a broad overview of PFC functions based on behavioral and neural changes resulting from damage to PFC in both human patients and nonhuman primates.
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Affiliation(s)
- Sara M Szczepanski
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA 94720, USA.
| | - Robert T Knight
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA 94720, USA; Department of Psychology, University of California, Berkeley, Berkeley, CA 94720, USA
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de Zubicaray GI, Hartsuiker RJ, Acheson DJ. Mind what you say-general and specific mechanisms for monitoring in speech production. Front Hum Neurosci 2014; 8:514. [PMID: 25100968 PMCID: PMC4104548 DOI: 10.3389/fnhum.2014.00514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 06/26/2014] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | - Daniel J Acheson
- Neurobiology of Language Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands
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