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Holleman GA, Hooge ITC, Kemner C, Hessels RS. How Do Psychology Professors View the Relation Between Scientific Knowledge and Its Applicability and Societal Relevance? THE JOURNAL OF PSYCHOLOGY 2024; 158:458-491. [PMID: 38546664 DOI: 10.1080/00223980.2024.2324311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 02/21/2024] [Indexed: 07/03/2024] Open
Abstract
How do researchers in psychology view the relation between scientific knowledge, its applicability, and its societal relevance? Most research on psychological science and its benefits to society is discussed from a bird's eye view (a meta-scientific perspective), by identifying general trends such as psychology's dominant focus on lab-based experiments and general descriptive theories. In recent years, several critics have argued that this focus has come at the cost of reduced practical and societal relevance. In this study, we interviewed Dutch psychology professors to gauge their views about the relation between psychological research and its relevance to society. We found that psychology professors engaged in a variety of activities to engage science with society, from work in clinical and applied settings, to consultancy, education, and science communication. However, we found that the role of theory when applying scientific knowledge to practical problems is far from straightforward. While most participants regarded theories as relevant to understanding general contexts of application, psychological theories were seldom directly related to specific applications. We compare and discuss our findings in the light of recent discussions about the lack of applicability and societal relevance of psychological science.
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He Q, Geißler CF, Ferrante M, Hartwigsen G, Friehs MA. Effects of transcranial magnetic stimulation on reactive response inhibition. Neurosci Biobehav Rev 2024; 157:105532. [PMID: 38194868 DOI: 10.1016/j.neubiorev.2023.105532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/28/2023] [Accepted: 12/30/2023] [Indexed: 01/11/2024]
Abstract
Reactive response inhibition cancels impending actions to enable adaptive behavior in ever-changing environments and has wide neuropsychiatric implications. A canonical paradigm to measure the covert inhibition latency is the stop-signal task (SST). To probe the cortico-subcortical network underlying motor inhibition, transcranial magnetic stimulation (TMS) has been applied over central nodes to modulate SST performance, especially to the right inferior frontal cortex and the presupplementary motor area. Since the vast parameter spaces of SST and TMS enabled diverse implementations, the insights delivered by emerging TMS-SST studies remain inconclusive. Therefore, a systematic review was conducted to account for variability and synthesize converging evidence. Results indicate certain protocol specificity through the consistent perturbations induced by online TMS, whereas offline protocols show paradoxical effects on different target regions besides numerous null effects. Ancillary neuroimaging findings have verified and dissociated the underpinning network dynamics. Sources of heterogeneity in designs and risk of bias are highlighted. Finally, we outline best-practice recommendations to bridge methodological gaps and subserve the validity as well as replicability of future work.
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Affiliation(s)
- Qu He
- Wilhelm Wundt Institute for Psychology, Leipzig University, Leipzig, Germany
| | - Christoph F Geißler
- Institute for Cognitive & Affective Neuroscience (ICAN), Trier University, Trier, Germany
| | - Matteo Ferrante
- Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Gesa Hartwigsen
- Wilhelm Wundt Institute for Psychology, Leipzig University, Leipzig, Germany; Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Maximilian A Friehs
- Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany; Psychology of Conflict Risk and Safety, University of Twente, the Netherlands; University College Dublin, School of Psychology, Dublin, Ireland.
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Schutte I, Schutter DJLG, Kenemans JL. Individual differences in the effects of salience and reward on impulse control and action selection. Int J Psychophysiol 2023; 193:112239. [PMID: 37643661 DOI: 10.1016/j.ijpsycho.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 06/12/2023] [Accepted: 08/25/2023] [Indexed: 08/31/2023]
Abstract
Impulse control and adequate decision making are vital functions when it comes to detection and adherence to personal goals and societal rules. In the current study we tested the hypothesis that increasing the salience of environmental cues would be most effective in improving impulse control, as assessed by a stop-signal task, in subjects with low environmental susceptibility as indexed by low pre-stimulus EEG alpha power. In addition, we anticipated that an external-reward manipulation improves performance during a Go/No go task, especially in individuals with low task-induced motivation as indexed by low theta/beta power ratios. High salience of stop signals enhanced stopping performance but there was no difference in responsivity to the salience manipulation between participants with high and low EEG alpha power. Individuals with low theta/beta power ratios responded more accurately when rewards were involved. Together these results suggest that increasing the salience of external cues may help impulse control in general, whereas the effectiveness of external-reward manipulations is higher in individuals with low task-induced motivation.
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Affiliation(s)
- I Schutte
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands.
| | - D J L G Schutter
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands
| | - J L Kenemans
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands
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Koyun AH, Stock AK, Beste C. Neurophysiological mechanisms underlying the differential effect of reward prospect on response selection and inhibition. Sci Rep 2023; 13:10903. [PMID: 37407656 DOI: 10.1038/s41598-023-37524-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/22/2023] [Indexed: 07/07/2023] Open
Abstract
Reward and cognitive control play crucial roles in shaping goal-directed behavior. Yet, the behavioral and neural underpinnings of interactive effects of both processes in driving our actions towards a particular goal have remained rather unclear. Given the importance of inhibitory control, we investigated the effect of reward prospect on the modulatory influence of automatic versus controlled processes during response inhibition. For this, a performance-contingent monetary reward for both correct response selection and response inhibition was added to a Simon NoGo task, which manipulates the relationship of automatic and controlled processes in Go and NoGo trials. A neurophysiological approach was used by combining EEG temporal signal decomposition and source localization methods. Compared to a non-rewarded control group, rewarded participants showed faster response execution, as well as overall lower response selection and inhibition accuracy (shifted speed-accuracy tradeoff). Interestingly, the reward group displayed a larger interference of the interactive effects of automatic versus controlled processes during response inhibition (i.e., a larger Simon NoGo effect), but not during response selection. The reward-specific behavioral effect was mirrored by the P3 amplitude, underlining the importance of stimulus-response association processes in explaining variability in response inhibition performance. The selective reward-induced neurophysiological modulation was associated with lower activation differences in relevant structures spanning the inferior frontal and parietal cortex, as well as higher activation differences in the somatosensory cortex. Taken together, this study highlights relevant neuroanatomical structures underlying selective reward effects on response inhibition and extends previous reports on the possible detrimental effect of reward-triggered performance trade-offs on cognitive control processes.
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Affiliation(s)
- Anna Helin Koyun
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Schubertstrasse 42, 01309, Dresden, Germany
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden, Germany
| | - Ann-Kathrin Stock
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Schubertstrasse 42, 01309, Dresden, Germany.
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden, Germany.
- Biopsychology, Faculty of Psychology, School of Science, TU Dresden, Dresden, Germany.
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Schubertstrasse 42, 01309, Dresden, Germany
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden, Germany
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Kostyrka-Allchorne K, Wass SV, Yusuf H, Rao V, Bertini C, Sonuga-Barke EJS. Inhibitory deficits and symptoms of attention-deficit hyperactivity disorder: How are they related to effortful control? BRITISH JOURNAL OF DEVELOPMENTAL PSYCHOLOGY 2023; 41:50-65. [PMID: 36127834 PMCID: PMC10087402 DOI: 10.1111/bjdp.12432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 06/29/2022] [Accepted: 09/08/2022] [Indexed: 11/30/2022]
Abstract
Separate studies with clinical and community-based samples have identified an association between symptoms of attention-deficit hyperactivity disorder (ADHD) and inhibitory control deficits and ADHD and weak effortful control. We tested whether differences in effortful control explained the associations between ADHD symptoms and inhibitory control deficits, controlling for conduct problems. In a community sample, parents rated ADHD symptoms, conduct problems, effortful control, surgency and negative affect in 77 4-7-year-olds (47 girls), who performed an inhibitory control task. ADHD symptoms, deficient inhibitory control and low effortful control were correlated. Controlling for conduct problems, path analysis showed the ADHD symptoms - inhibitory control link was mediated statistically by effortful control. This focuses attention on cognitive-energetic factors associated with ADHD-related executive deficits.
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Affiliation(s)
- Katarzyna Kostyrka-Allchorne
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Sam V Wass
- School of Psychology, University of East London, London, UK
| | - Hodo Yusuf
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Vidya Rao
- School of Psychology, University of East London, London, UK
| | - Chloé Bertini
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Edmund J S Sonuga-Barke
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.,Department of Child & Adolescent Psychiatry, Aarhus University, Aarhus, Denmark
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Kenemans JL, Schutte I, Van Bijnen S, Logemann HNA. How salience enhances inhibitory control: An analysis of electro-cortical mechanisms. Biol Psychol 2023; 177:108505. [PMID: 36669616 DOI: 10.1016/j.biopsycho.2023.108505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 01/05/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Stop-signal tasks (SSTs) combined with human electro-cortical recordings (Event-Related Potentials, ERPs) have revealed mechanisms associated with successful stopping (relative to failed), presumably contributing to inhibitory control. The corresponding ERP signatures have been labeled stop N1 (+/- 100-ms latency), stop N2 (200 ms), and stop P3 (160-250 ms), and argued to reflect more sensory-specific (N1) versus more generic (N2, P3) mechanisms. However, stop N1 and stop N2, as well as latencies of stop-P3, appear to be quite inconsistent across studies. The present work addressed the possible influence of stop-signal salience, expecting high salience to induce clear stop N1s but reduced stop N2s, and short-latency stop P3s. Three SST varieties were combined with high-resolution EEG. An imperative visual (go) stimulus was occasionally followed by a subsequent (stop) stimulus that signalled to withhold the just initiated response. Stop-Signal Reaction Times (SSRTs) decreased linearly from visual-low to visual-high-salience to auditory. Auditory Stop N1 was replicated. A C1-like visual evoked potential (latency < 100 ms) was observed only with high salience, but not robustly associated with successful versus failed stops. Using the successful-failed contrast a visual stop-N1 analogue (112-156 ms post-stop-signal) was identified, as was right-frontal stop N2, but neither was sensitive to salience. Stop P3 had shorter latency for high than for low salience, and the extent of the early high-salience stop P3 correlated inversely with SSRT. These results suggest that salience-enhanced inhibitory control as manifest in SSRTs is associated with generic rather than sensory-specific electrocortical mechanisms.
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Affiliation(s)
- J Leon Kenemans
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, the Netherlands.
| | - Iris Schutte
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, the Netherlands
| | - Sam Van Bijnen
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, the Netherlands; Centre for Interdisciplinary Brain Research, Department of Psychology, University of Jyväskylä, Finland
| | - H N Alexander Logemann
- Department of Experimental Psychology, Helmholtz Institute, Utrecht University, the Netherlands; Institute of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary
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Koevoet D, Deschamps PKH, Kenemans JL. Catecholaminergic and cholinergic neuromodulation in autism spectrum disorder: A comparison to attention-deficit hyperactivity disorder. Front Neurosci 2023; 16:1078586. [PMID: 36685234 PMCID: PMC9853424 DOI: 10.3389/fnins.2022.1078586] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 12/15/2022] [Indexed: 01/09/2023] Open
Abstract
Autism spectrum disorder (ASD) is a heterogeneous neurodevelopmental disorder characterized by social impairments and restricted, repetitive behaviors. Treatment of ASD is notoriously difficult and might benefit from identification of underlying mechanisms that overlap with those disturbed in other developmental disorders, for which treatment options are more obvious. One example of the latter is attention-deficit hyperactivity disorder (ADHD), given the efficacy of especially stimulants in treatment of ADHD. Deficiencies in catecholaminergic systems [dopamine (DA), norepinephrine (NE)] in ADHD are obvious targets for stimulant treatment. Recent findings suggest that dysfunction in catecholaminergic systems may also be a factor in at least a subgroup of ASD. In this review we scrutinize the evidence for catecholaminergic mechanisms underlying ASD symptoms, and also include in this analysis a third classic ascending arousing system, the acetylcholinergic (ACh) network. We complement this with a comprehensive review of DA-, NE-, and ACh-targeted interventions in ASD, and an exploratory search for potential treatment-response predictors (biomarkers) in ASD, genetically or otherwise. Based on this review and analysis we propose that (1) stimulant treatment may be a viable option for an ASD subcategory, possibly defined by genetic subtyping; (2) cerebellar dysfunction is pronounced for a relatively small ADHD subgroup but much more common in ASD and in both cases may point toward NE- or ACh-directed intervention; (3) deficiency of the cortical salience network is sizable in subgroups of both disorders, and biomarkers such as eye blink rate and pupillometric data may predict the efficacy of targeting this underlying deficiency via DA, NE, or ACh in both ASD and ADHD.
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Affiliation(s)
- Damian Koevoet
- Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, Netherlands,*Correspondence: Damian Koevoet,
| | - P. K. H. Deschamps
- Department of Psychiatry, University Medical Center Utrecht, Utrecht, Netherlands
| | - J. L. Kenemans
- Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, Netherlands
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Montalti M, Calbi M, Cuccio V, Umiltà MA, Gallese V. Is motor inhibition involved in the processing of sentential negation? An assessment via the Stop-Signal Task. PSYCHOLOGICAL RESEARCH 2023; 87:339-352. [PMID: 33905001 PMCID: PMC9873753 DOI: 10.1007/s00426-021-01512-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In the last decades, the embodied approach to cognition and language gained momentum in the scientific debate, leading to evidence in different aspects of language processing. However, while the bodily grounding of concrete concepts seems to be relatively not controversial, abstract aspects, like the negation logical operator, are still today one of the main challenges for this research paradigm. In this framework, the present study has a twofold aim: (1) to assess whether mechanisms for motor inhibition underpin the processing of sentential negation, thus, providing evidence for a bodily grounding of this logic operator, (2) to determine whether the Stop-Signal Task, which has been used to investigate motor inhibition, could represent a good tool to explore this issue. Twenty-three participants were recruited in this experiment. Ten hand-action-related sentences, both in affirmative and negative polarity, were presented on a screen. Participants were instructed to respond as quickly and accurately as possible to the direction of the Go Stimulus (an arrow) and to withhold their response when they heard a sound following the arrow. This paradigm allows estimating the Stop Signal Reaction Time (SSRT), a covert reaction time underlying the inhibitory process. Our results show that the SSRT measured after reading negative sentences are longer than after reading affirmative ones, highlighting the recruitment of inhibitory mechanisms while processing negative sentences. Furthermore, our methodological considerations suggest that the Stop-Signal Task is a good paradigm to assess motor inhibition's role in the processing of sentence negation.
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Affiliation(s)
- Martina Montalti
- grid.10383.390000 0004 1758 0937Department of Medicine and Surgery Unit of Neuroscience, University of Parma, Parma, Italy
| | - Marta Calbi
- grid.10383.390000 0004 1758 0937Department of Medicine and Surgery Unit of Neuroscience, University of Parma, Parma, Italy
| | - Valentina Cuccio
- grid.10438.3e0000 0001 2178 8421Department of Cognitive, Psychological, Pedagogical Sciences and Cultural Studies, University of Messina, Messina, Italy
| | - Maria Alessandra Umiltà
- grid.10383.390000 0004 1758 0937Department of Food and Drug, University of Parma, Parma, Italy
| | - Vittorio Gallese
- grid.10383.390000 0004 1758 0937Department of Medicine and Surgery Unit of Neuroscience, University of Parma, Parma, Italy ,grid.7468.d0000 0001 2248 7639Berlin School of Mind and Brain, Humboldt-Universität Zu Berlin, Berlin, Germany
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Van der Heiden RMA, Kenemans JL, Donker SF, Janssen CP. The Effect of Cognitive Load on Auditory Susceptibility During Automated Driving. HUMAN FACTORS 2022; 64:1195-1209. [PMID: 33705213 PMCID: PMC9574901 DOI: 10.1177/0018720821998850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
OBJECTIVE We experimentally test the effect of cognitive load on auditory susceptibility during automated driving. BACKGROUND In automated vehicles, auditory alerts are frequently used to request human intervention. To ensure safe operation, human drivers need to be susceptible to auditory information. Previous work found reduced susceptibility during manual driving and in a lesser amount during automated driving. However, in practice, drivers also perform nondriving tasks during automated driving, of which the associated cognitive load may further reduce susceptibility to auditory information. We therefore study the effect of cognitive load during automated driving on auditory susceptibility. METHOD Twenty-four participants were driven in a simulated automated car. Concurrently, they performed a task with two levels of cognitive load: repeat a noun or generate a verb that expresses the use of this noun. Every noun was followed by a probe stimulus to elicit a neurophysiological response: the frontal P3 (fP3), which is a known indicator for the level of auditory susceptibility. RESULTS The fP3 was significantly lower during automated driving with cognitive load compared with without. The difficulty level of the cognitive task (repeat or generate) showed no effect. CONCLUSION Engaging in other tasks during automated driving decreases auditory susceptibility as indicated by a reduced fP3. APPLICATION Nondriving task can create additional cognitive load. Our study shows that performing such tasks during automated driving reduces the susceptibility for auditory alerts. This can inform designers of semi-automated vehicles (SAE levels 3 and 4), where human intervention might be needed.
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Ghin F, Stock AK, Beste C. The importance of resource allocation for the interplay between automatic and cognitive control in response inhibition – an EEG source localization study. Cortex 2022; 155:202-217. [DOI: 10.1016/j.cortex.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 04/12/2022] [Accepted: 07/05/2022] [Indexed: 11/03/2022]
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Hervault M, Zanone PG, Buisson JC, Huys R. Hold your horses: Differences in EEG correlates of inhibition in cancelling and stopping an action. Neuropsychologia 2022; 172:108255. [PMID: 35513065 DOI: 10.1016/j.neuropsychologia.2022.108255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 03/16/2022] [Accepted: 04/28/2022] [Indexed: 10/18/2022]
Abstract
Behavioral adaptation to changing contextual contingencies often requires the rapid inhibition of planned or ongoing actions. Inhibitory control has been mostly studied using the stop-signal paradigm, which conceptualizes action inhibition as the outcome of a race between independent GO and STOP processes. Inhibition is predominantly considered to be independent of action type, yet it is questionable whether this conceptualization can apply to stopping an ongoing action. To test the claimed generality of action inhibition, we investigated behavioral stop-signal reaction time (SSRT) and scalp electroencephalographic (EEG) activity in two inhibition contexts: Using variants of the stop-signal task, we asked participants to cancel a prepared-discrete action or to stop an ongoing-rhythmic action in reaction to a STOP signal. The behavioral analysis revealed that the discrete and rhythmic SSRTs were not correlated. The EEG analysis showed that the STOP signal evoked frontocentral activity in the time and frequency domains (Delta/Theta range) in a task-specific manner: The P3 onset latency was the best correlate of discrete SSRT whereas N2/P3 peak-to-peak amplitude was the best correlate of rhythmic SSRT. These findings do not support a conceptualization of inhibition as action-independent but rather suggest that the differential engagement of both components of the N2/P3-complex as a function of action type pertains to functionally independent inhibition subprocesses.
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Affiliation(s)
- Mario Hervault
- Centre de Recherche Cerveau et Cognition, UMR 5549 CNRS, Université Toulouse 3 Paul Sabatier, France.
| | - Pier-Giorgio Zanone
- Centre de Recherche Cerveau et Cognition, UMR 5549 CNRS, Université Toulouse 3 Paul Sabatier, France
| | - Jean-Christophe Buisson
- Institut de Recherche en Informatique de Toulouse, UMR 5505 CNRS, Université Toulouse 3 Paul Sabatier, France
| | - Raoul Huys
- Centre de Recherche Cerveau et Cognition, UMR 5549 CNRS, Université Toulouse 3 Paul Sabatier, France
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Beltrán D, Liu B, de Vega M. Inhibitory Mechanisms in the Processing of Negations: A Neural Reuse Hypothesis. JOURNAL OF PSYCHOLINGUISTIC RESEARCH 2021; 50:1243-1260. [PMID: 34383177 PMCID: PMC8660707 DOI: 10.1007/s10936-021-09796-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/19/2021] [Indexed: 05/23/2023]
Abstract
Negation is known to have inhibitory consequences for the information under its scope. However, how it produces such effects remains poorly understood. Recently, it has been proposed that negation processing might be implemented at the neural level by the recruitment of inhibitory and cognitive control mechanisms. On this line, this manuscript offers the hypothesis that negation reuses general-domain mechanisms that subserve inhibition in other non-linguistic cognitive functions. The first two sections describe the inhibitory effects of negation on conceptual representations and its embodied effects, as well as the theoretical foundations for the reuse hypothesis. The next section describes the neurophysiological evidence that linguistic negation interacts with response inhibition, along with the suggestion that both functions share inhibitory mechanisms. Finally, the manuscript concludes that the functional relation between negation and inhibition observed at the mechanistic level could be easily integrated with predominant cognitive models of negation processing.
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Affiliation(s)
- David Beltrán
- Departamento de Psicología Básica I, Universidad Nacional de Educación a Distancia (UNED), 28040, Madrid, Spain.
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Tenerife, Spain.
| | - Bo Liu
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Tenerife, Spain
- School of Foreign Languages, Dalian Maritime University, Dalian, China
| | - Manuel de Vega
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Tenerife, Spain
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Gordon PC, Jovellar DB, Song Y, Zrenner C, Belardinelli P, Siebner HR, Ziemann U. Recording brain responses to TMS of primary motor cortex by EEG - utility of an optimized sham procedure. Neuroimage 2021; 245:118708. [PMID: 34743050 PMCID: PMC8752966 DOI: 10.1016/j.neuroimage.2021.118708] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 11/30/2022] Open
Abstract
Optimized sham TMS-EEG is introduced and tested. Sham combined auditory and supramaximal electrical somatosensory stimulation. Subjects reported equal sensory perception during sham and real TMS. Subtraction revealed evoked EEG potentials and beta-band power specific to real TMS. The optimized sham procedure is relevant in research and therapeutic settings.
Introduction Electroencephalography (EEG) is increasingly used to investigate brain responses to transcranial magnetic stimulation (TMS). A relevant issue is that TMS is associated with considerable auditory and somatosensory stimulation, causing peripherally evoked potentials (PEPs) in the EEG, which contaminate the direct cortical responses to TMS (TEPs). All previous attempts to control for PEPs suffer from significant limitations. Objective/Hypothesis To design an optimized sham procedure to control all sensory input generated by subthreshold real TMS targeting the hand area of the primary motor cortex (M1), enabling reliable separation of TEPs from PEPs. Methods In 23 healthy (16 female) subjects, we recorded EEG activity evoked by an optimized sham TMS condition which masks and matches auditory and somatosensory co-stimulation during the real TMS condition: auditory control was achieved by noise masking and by using a second TMS coil that was placed on top of the real TMS coil and produced a calibrated sound pressure level. Somatosensory control was obtained by electric stimulation (ES) of the scalp with intensities sufficient to saturate somatosensory input. ES was applied in both the sham and real TMS conditions. Perception of auditory and somatosensory inputs in the sham and real TMS conditions were compared by psychophysical testing. Transcranially evoked EEG signal changes were identified by subtraction of EEG activity in the sham condition from EEG activity in the real TMS condition. Results Perception of auditory and somatosensory inputs in the sham vs. real TMS conditions was comparable. Both sham and real TMS evoked a series of similar EEG signal deflections and induced broadband power increase in oscillatory activity. Notably, the present procedure revealed EEG potentials and a transient increase in beta band power at the site of stimulation that were only present in the real TMS condition. Discussion The results validate the effectiveness of our optimized sham approach. Despite the presence of typical responses attributable to sensory input, the procedure provided evidence for direct cortical activation by subthreshold TMS of M1. The findings are relevant for future TMS-EEG experiments that aim at measuring regional brain target engagement controlled by an optimized sham procedure.
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Affiliation(s)
- Pedro C Gordon
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany
| | - D Blair Jovellar
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany
| | - YuFei Song
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany
| | - Christoph Zrenner
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany
| | - Paolo Belardinelli
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany; CIMeC, Center for Mind/Brain Sciences, University of Trento, Italy
| | - Hartwig Roman Siebner
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital - Amager and Hvidovre, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark; Department of Neurology, Copenhagen University Hospital - Bispebjerg and Fredriksberg, Copenhagen, Denmark
| | - Ulf Ziemann
- Department of Neurology & Stroke, University of Tübingen, Hoppe-Seyler-Straße 3, Tübingen 72076, Germany; Hertie Institute for Clinical Brain Research, University of Tübingen, Germany.
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14
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Common and Unique Inhibitory Control Signatures of Action-Stopping and Attentional Capture Suggest That Actions Are Stopped in Two Stages. J Neurosci 2021; 41:8826-8838. [PMID: 34493541 DOI: 10.1523/jneurosci.1105-21.2021] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/03/2021] [Accepted: 08/26/2021] [Indexed: 11/21/2022] Open
Abstract
The ability to stop an already initiated action is paramount to adaptive behavior. Much scientific debate in the field of human action-stopping currently focuses on two interrelated questions. (1) Which cognitive and neural processes uniquely underpin the implementation of inhibitory control when actions are stopped after explicit stop signals, and which processes are instead commonly evoked by all salient signals, even those that do not require stopping? (2) Why do purported (neuro)physiological signatures of inhibition occur at two different latencies after stop signals? Here, we address both questions via two preregistered experiments that combined measurements of corticospinal excitability, EMG, and whole-scalp EEG. Adult human subjects performed a stop signal task that also contained "ignore" signals: equally salient signals that did not require stopping but rather completion of the Go response. We found that both stop- and ignore signals produced equal amounts of early-latency inhibition of corticospinal excitability and EMG, which took place ∼150 ms following either signal. Multivariate pattern analysis of the whole-scalp EEG data further corroborated that this early processing stage was shared between stop- and ignore signals, as neural activity following the two signals could not be decoded from each other until a later time period. In this later period, unique activity related to stop signals emerged at frontocentral scalp sites, reflecting an increased stop signal P3. These findings suggest a two-step model of action-stopping, according to which an initial, universal inhibitory response to the saliency of the stop signal is followed by a slower process that is unique to outright stopping.SIGNIFICANCE STATEMENT Humans often have to stop their ongoing actions when indicated by environmental stimuli (stop signals). Successful action-stopping requires both the ability to detect these salient stop signals and to subsequently inhibit ongoing motor programs. Because of this tight entanglement of attentional control and motor inhibition, identifying unique neurophysiological signatures of action-stopping is difficult. Indeed, we report that recently proposed early-latency signatures of motor inhibition during action-stopping are also found after salient signals that do not require stopping. However, using multivariate pattern analysis of scalp-recorded neural data, we also identified subsequent neural activity that uniquely distinguished action-stopping from saliency detection. These results suggest that actions are stopped in two stages: the first common to all salient events and the second unique to action-stopping.
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15
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Diesburg DA, Wessel JR. The Pause-then-Cancel model of human action-stopping: Theoretical considerations and empirical evidence. Neurosci Biobehav Rev 2021; 129:17-34. [PMID: 34293402 PMCID: PMC8574992 DOI: 10.1016/j.neubiorev.2021.07.019] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/24/2021] [Accepted: 07/15/2021] [Indexed: 11/17/2022]
Abstract
The ability to stop already-initiated actions is a key cognitive control ability. Recent work on human action-stopping has been dominated by two controversial debates. First, the contributions (and neural signatures) of attentional orienting and motor inhibition after stop-signals are near-impossible to disentangle. Second, the timing of purportedly inhibitory (neuro)physiological activity after stop-signals has called into question which neural signatures reflect processes that actually contribute to action-stopping. Here, we propose that a two-stage model of action-stopping - proposed by Schmidt and Berke (2017) based on subcortical rodent recordings - may resolve these controversies. Translating this model to humans, we first argue that attentional orienting and motor inhibition are inseparable because orienting to salient events like stop-signals automatically invokes broad motor inhibition, reflecting a fast-acting, ubiquitous Pause process. We then argue that inhibitory signatures after stop-signals differ in latency because they map onto two sequential stages: the salience-related Pause and a slower, stop-specific Cancel process. We formulate the model, discuss recent supporting evidence in humans, and interpret existing data within its context.
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Affiliation(s)
- Darcy A Diesburg
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, USA.
| | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, USA; Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
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16
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Friehs MA, Frings C, Hartwigsen G. Effects of single-session transcranial direct current stimulation on reactive response inhibition. Neurosci Biobehav Rev 2021; 128:749-765. [PMID: 34271027 DOI: 10.1016/j.neubiorev.2021.07.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/30/2021] [Accepted: 07/11/2021] [Indexed: 01/03/2023]
Abstract
Transcranial direct current stimulation (tDCS) is widely used to explore the role of various cortical regions for reactive response inhibition. In recent years, tDCS studies reported polarity-, time- and stimulation-site dependent effects on response inhibition. Given the large parameter space in which study designs, tDCS procedures and task procedures can differ, it is crucial to systematically explore the existing tDCS literature to increase the current understanding of potential modulatory effects and limitations of different approaches. We performed a systematic review on the modulatory effects of tDCS on response inhibition as measured by the Stop-Signal Task. The final dataset shows a large variation in methodology and heterogeneous effects of tDCS on performance. The most consistent result across studies is a performance enhancement due to anodal tDCS over the right prefrontal cortex. Partially sub-optimal choices in study design, methodology and lacking consistency in reporting procedures may impede valid conclusions and obscured the effects of tDCS on response inhibition in some previous studies. Finally, we outline future directions and areas to improve research.
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Affiliation(s)
| | - Christian Frings
- Trier University, Department of Cognitive Psychology and Methodology, Trier, Germany
| | - Gesa Hartwigsen
- Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive Brain Sciences, Leipzig, Germany
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17
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Rueda-Delgado LM, O'Halloran L, Enz N, Ruddy KL, Kiiski H, Bennett M, Farina F, Jollans L, Vahey N, Whelan R. Brain event-related potentials predict individual differences in inhibitory control. Int J Psychophysiol 2021; 163:22-34. [PMID: 30936044 DOI: 10.1016/j.ijpsycho.2019.03.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 03/21/2019] [Accepted: 03/26/2019] [Indexed: 11/18/2022]
Abstract
Stop-signal reaction time (SSRT), the time needed to cancel an already-initiated motor response, quantifies individual differences in inhibitory control. Electrophysiological correlates of SSRT have primarily focused on late event-related potential (ERP) components over midline scalp regions from successfully inhibited stop trials. SSRT is robustly associated with the P300, there is mixed evidence for N200 involvement, and there is little information on the role of early ERP components. Here, machine learning was first used to interrogate ERPs during both successful and failed stop trials from 64 scalp electrodes at 4 ms resolution (n = 148). The most predictive model included data from both successful and failed stop trials, with a cross-validated Pearson's r of 0.32 between measured and predicted SSRT, significantly higher than null models. From successful stop trials, spatio-temporal features overlapping the N200 in right frontal areas and the P300 in frontocentral areas predicted SSRT, as did early ERP activity (<200 ms). As a demonstration of the reproducibility of these findings, the application of this model to a separate dataset of 97 participants was also significant (r = 0.29). These results show that ERPs during failed stops are relevant to SSRT, and that both early and late ERP activity contribute to individual differences in SSRT. Notably, the right lateralized N200, which predicted SSRT here, is not often observed in neurotypical adults. Both the ascending slope and peak of the P300 component predicted SSRT. These results were replicable, both within the training sample and when applied to ERPs from a separate dataset.
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Affiliation(s)
| | - L O'Halloran
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - N Enz
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - K L Ruddy
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - H Kiiski
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - M Bennett
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - F Farina
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - L Jollans
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - N Vahey
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland
| | - R Whelan
- School of Psychology, Trinity College Dublin, Dublin 2, Ireland; Global Brain Health Institute, Trinity College Dublin, Dublin 2, Ireland.
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18
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Stimulation of Different Sectors of the Human Dorsal Premotor Cortex Induces a Shift from Reactive to Predictive Action Strategies and Changes in Motor Inhibition: A Dense Transcranial Magnetic Stimulation (TMS) Mapping Study. Brain Sci 2021; 11:brainsci11050534. [PMID: 33923217 PMCID: PMC8146001 DOI: 10.3390/brainsci11050534] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 04/19/2021] [Accepted: 04/21/2021] [Indexed: 11/16/2022] Open
Abstract
Delayed motor tasks require timely interaction between immobility and action. The neural substrates of these processes probably reside in the premotor and motor circuits; however, fine-grained anatomical/functional information is still lacking. Participants performed a delayed simple reaction task, structured as a ready-set-go sequence, with a fixed, predictable, SET-period. Responses were given with lip movements. During the SET-period, we performed a systematic dense-mapping of the bilateral dorsal premotor region (dPM) by means of single transcranial magnetic stimulation (TMS) pulses on an 18-spot mapping grid, interleaved with sham TMS which served as a baseline. Reaction times (RTs) in TMS trials over each grid spot were compared to RTs in sham trials to build a statistical parametric z-map. The results reveal a rostro-caudal functional gradient in the dPM. TMS of the rostral dPM induced a shift from reactive towards predictive response strategies. TMS of the caudal dPM interfered with the SET-period duration. By means of dense TMS mapping, we have drawn a putative functional map of the role of the dPM during the SET-period. A higher-order rostral component is involved in setting action strategies and a caudal, lower-order, part is probably involved in the inhibitory control of motor output.
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19
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Doekemeijer RA, Verbruggen F, Boehler CN. Face the (trigger) failure: Trigger failures strongly drive the effect of reward on response inhibition. Cortex 2021; 139:166-177. [PMID: 33873037 DOI: 10.1016/j.cortex.2021.02.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 09/04/2020] [Accepted: 02/15/2021] [Indexed: 11/16/2022]
Abstract
Response inhibition is typically understood as the ability to stop inappropriate actions and is often investigated using the stop-signal task, in which a go response, triggered by a go signal, has to be inhibited upon the onset of a stop signal. In this task, response inhibition has been formalized as a race between a go and a stop process, which allows the latency of the stop process (stop-signal reaction time; SSRT) to be estimated. Yet, non-parametric SSRT estimations assume that the stop process is initiated without fail, which appears problematic as it is known that participants fail to do so on a subset of trials ("trigger failures"). Importantly, non-parametric methods systematically overestimate SSRT when trigger failures are present, and a growing literature is demonstrating that reported SSRT differences between groups and individuals are also (or rather) driven by differential trigger-failure rates. In the present study, we extend this line of research to a within-individual manipulation, namely the influence of reward on stop performance. We first reanalyzed four data sets of studies that had reported a facilitating effect of stimulus-based reward on SSRTs. Reanalyzing this data, we found that reward decreased the rates of trigger failures. When accounting for these differential trigger-failure rates, the effect of reward on SSRTs (i.e., stop latency) appeared to be virtually abolished. We then conducted a preregistered online follow-up study, implementing a typical block-based reward manipulation. The results of this study indicated simultaneous reward effects on trigger-failure rates and on SSRT. In sum, the present results indicate that trigger failures are an important source of variance in response inhibition, dovetailing with an evolving multicomponential view of response inhibition.
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Affiliation(s)
- R A Doekemeijer
- Department of Experimental Psychology, Ghent University, Ghent, Belgium.
| | - F Verbruggen
- Department of Experimental Psychology, Ghent University, Ghent, Belgium
| | - C N Boehler
- Department of Experimental Psychology, Ghent University, Ghent, Belgium
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20
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MacDonald HJ, Laksanaphuk C, Day A, Byblow WD, Jenkinson N. The role of interhemispheric communication during complete and partial cancellation of bimanual responses. J Neurophysiol 2021; 125:875-886. [PMID: 33567982 DOI: 10.1152/jn.00688.2020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Precise control of upper limb movements in response to external stimuli is vital to effectively interact with the environment. Accurate execution of bimanual movement is known to rely on finely orchestrated interhemispheric communication between the primary motor cortices (M1s). However, relatively little is known about the role of interhemispheric communication during sudden cancellation of prepared bimanual movement. The current study investigated the role of interhemispheric interactions during complete and partial cancellation of bimanual movement. In two experiments, healthy young human participants received transcranial magnetic stimulation to both M1s during a bimanual response inhibition task. The increased corticomotor excitability in anticipation of bimanual movement was accompanied by a release of inhibition from both M1s. After a stop cue, inhibition was reengaged onto both hemispheres to successfully cancel the complete bimanual response. However, when the stop cue signaled partial cancellation (stopping of one digit only), inhibition was reengaged with regard to the cancelled digit, but the responding digit representation was facilitated. This bifurcation in interhemispheric communication between M1s occurred 75 ms later in the more difficult condition when the nondominant, as opposed to dominant, hand was still responding. Our results demonstrate that interhemispheric communication is integral to response inhibition once a bimanual response has been prepared. Interestingly, M1-M1 interhemispheric circuitry does not appear to be responsible for the nonselective suppression of all movement components that has been observed during partial cancellation. Instead such interhemispheric communication enables uncoupling of bimanual response components and facilitates the selective initiation of just the required unimanual movement.NEW & NOTEWORTHY We provide the first evidence that interhemispheric communication plays an important role during sudden movement cancellation of two-handed responses. Simultaneously increased inhibition onto both hemispheres assists with two-handed movement cancellation. However, this network is not responsible for the widespread suppression of motor activity observed when only one of the two hands is cancelled. Instead, communication between hemispheres enables the separation of motor activity for the two hands and helps to execute the required one-handed response.
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Affiliation(s)
- Hayley J MacDonald
- School of Sport, Exercise and Rehabilitation Sciences, Centre for Human Brain Health, University of Birmingham, Birmingham, United Kingdom
| | - Chotica Laksanaphuk
- Faculty of Physical Therapy and Sports Medicine, Rangsit University, Pathumthani, Thailand
| | - Alice Day
- School of Sport, Exercise and Rehabilitation Sciences, Centre for Human Brain Health, University of Birmingham, Birmingham, United Kingdom
| | - Winston D Byblow
- Department of Exercise Sciences, Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Ned Jenkinson
- School of Sport, Exercise and Rehabilitation Sciences, Centre for Human Brain Health, University of Birmingham, Birmingham, United Kingdom
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21
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Soh C, Wessel JR. Unexpected Sounds Nonselectively Inhibit Active Visual Stimulus Representations. Cereb Cortex 2021; 31:1632-1646. [PMID: 33140100 DOI: 10.1093/cercor/bhaa315] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/31/2020] [Accepted: 09/25/2020] [Indexed: 11/13/2022] Open
Abstract
The brain's capacity to process unexpected events is key to cognitive flexibility. The most well-known effect of unexpected events is the interruption of attentional engagement (distraction). We tested whether unexpected events interrupt attentional representations by activating a neural mechanism for inhibitory control. This mechanism is most well characterized within the motor system. However, recent work showed that it is automatically activated by unexpected events and can explain some of their nonmotor effects (e.g., on working memory representations). Here, human participants attended to lateralized flickering visual stimuli, producing steady-state visual evoked potentials (SSVEPs) in the scalp electroencephalogram. After unexpected sounds, the SSVEP was rapidly suppressed. Using a functional localizer (stop-signal) task and independent component analysis, we then identified a fronto-central EEG source whose activity indexes inhibitory motor control. Unexpected sounds in the SSVEP task also activated this source. Using single-trial analyses, we found that subcomponents of this source differentially relate to sound-induced SSVEP changes: While its N2 component predicted the subsequent suppression of the attended-stimulus SSVEP, the P3 component predicted the suppression of the SSVEP to the unattended stimulus. These results shed new light on the processes underlying fronto-central control signals and have implications for phenomena such as distraction and the attentional blink.
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Affiliation(s)
- Cheol Soh
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52245, USA
| | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52245, USA.,Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA
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22
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Soh C, Hynd M, Rangel BO, Wessel JR. Adjustments to Proactive Motor Inhibition without Effector-Specific Foreknowledge Are Reflected in a Bilateral Upregulation of Sensorimotor β-Burst Rates. J Cogn Neurosci 2021; 33:784-798. [PMID: 33544054 DOI: 10.1162/jocn_a_01682] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Classic work using the stop-signal task has shown that humans can use inhibitory control to cancel already initiated movements. Subsequent work revealed that inhibitory control can be proactively recruited in anticipation of a potential stop-signal, thereby increasing the likelihood of successful movement cancellation. However, the exact neurophysiological effects of proactive inhibitory control on the motor system are still unclear. On the basis of classic views of sensorimotor β-band activity, as well as recent findings demonstrating the burst-like nature of this signal, we recently proposed that proactive inhibitory control is implemented by influencing the rate of sensorimotor β-bursts during movement initiation. Here, we directly tested this hypothesis using scalp EEG recordings of β-band activity in 41 healthy human adults during a bimanual RT task. By comparing motor responses made in two different contexts-during blocks with or without stop-signals-we found that premovement β-burst rates over both contralateral and ipsilateral sensorimotor areas were increased in stop-signal blocks compared to pure-go blocks. Moreover, the degree of this burst rate difference indexed the behavioral implementation of proactive inhibition (i.e., the degree of anticipatory response slowing in the stop-signal blocks). Finally, exploratory analyses showed that these condition differences were explained by a significant increase in β bursting that was already present during the premovement baseline period in stop blocks. Together, this suggests that the strategic deployment of proactive inhibitory motor control is implemented by upregulating the tonic inhibition of the motor system, signified by increased sensorimotor β-bursting both before and after signals to initiate a movement.
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Affiliation(s)
| | | | | | - Jan R Wessel
- University of Iowa.,University of Iowa Hospital and Clinics
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23
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Iacullo C, Diesburg DA, Wessel JR. Non-selective inhibition of the motor system following unexpected and expected infrequent events. Exp Brain Res 2020; 238:2701-2710. [PMID: 32948892 DOI: 10.1007/s00221-020-05919-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 09/02/2020] [Indexed: 01/16/2023]
Abstract
Motor inhibition is a key control mechanism that allows humans to rapidly adapt their actions in response to environmental events. One of the hallmark signatures of rapidly exerted, reactive motor inhibition is the non-selective suppression of cortico-spinal excitability (CSE): unexpected sensory stimuli lead to a suppression of CSE across the entire motor system, even in muscles that are inactive. Theories suggest that this reflects a fast, automatic, and broad engagement of inhibitory control, which facilitates behavioral adaptations to unexpected changes in the sensory environment. However, it is an open question whether such non-selective CSE suppression is truly due to the unexpected nature of the sensory event, or whether it is sufficient for an event to be merely infrequent (but not unexpected). Here, we report data from two experiments in which human subjects experienced both unexpected and expected infrequent events during a two-alternative forced-choice reaction time task while CSE was measured from a task-unrelated muscle. We found that expected infrequent events can indeed produce non-selective CSE suppression-but only when they occur during movement initiation. In contrast, unexpected infrequent events produce non-selective CSE suppression relative to frequent, expected events even in the absence of movement initiation. Moreover, CSE suppression due to unexpected events occurs at shorter latencies compared to expected infrequent events. These findings demonstrate that unexpectedness and stimulus infrequency have qualitatively different suppressive effects on the motor system. They also have key implications for studies that seek to disentangle neural and psychological processes related to motor inhibition and stimulus detection.
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Affiliation(s)
- Carly Iacullo
- Department of Psychological and Brain Sciences, University of Iowa, 376 Psychological and Brain Sciences Building, 340 Iowa Avenue, Iowa City, IA, 52240, USA
| | - Darcy A Diesburg
- Department of Psychological and Brain Sciences, University of Iowa, 376 Psychological and Brain Sciences Building, 340 Iowa Avenue, Iowa City, IA, 52240, USA
| | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, 376 Psychological and Brain Sciences Building, 340 Iowa Avenue, Iowa City, IA, 52240, USA.
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
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24
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Skippen P, Fulham WR, Michie PT, Matzke D, Heathcote A, Karayanidis F. Reconsidering electrophysiological markers of response inhibition in light of trigger failures in the stop‐signal task. Psychophysiology 2020; 57:e13619. [DOI: 10.1111/psyp.13619] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 04/27/2020] [Accepted: 05/10/2020] [Indexed: 12/31/2022]
Affiliation(s)
- P. Skippen
- Functional Neuroimaging Laboratory School of Psychology University of Newcastle Newcastle NSW Australia
- Priority Research Centre for Brain and Mental Health University of Newcastle Newcastle NSW Australia
| | - W. R. Fulham
- Functional Neuroimaging Laboratory School of Psychology University of Newcastle Newcastle NSW Australia
- Priority Research Centre for Brain and Mental Health University of Newcastle Newcastle NSW Australia
| | - P. T. Michie
- Functional Neuroimaging Laboratory School of Psychology University of Newcastle Newcastle NSW Australia
- Priority Research Centre for Brain and Mental Health University of Newcastle Newcastle NSW Australia
| | - D. Matzke
- Psychological Methods Department of Psychology University of Amsterdam Amsterdam The Netherlands
| | - A. Heathcote
- School of Psychology University of Tasmania Hobart TAS Australia
| | - F. Karayanidis
- Functional Neuroimaging Laboratory School of Psychology University of Newcastle Newcastle NSW Australia
- Priority Research Centre for Brain and Mental Health University of Newcastle Newcastle NSW Australia
- Priority Research Centre for Stroke and Brain Injury University of Newcastle Newcastle NSW Australia
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25
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Abstract
Previous research has reported reduced efficiency in reactive inhibition, along with reduced brain activations, in older adults. The current study investigated age-related behavioral and neural changes in proactive inhibition, and whether age may influence the relationship between proactive and reactive inhibition. One-hundred-and-forty-nine adults (18 to 72 years) underwent fMRI while performing a stop signal task (SST). Proactive inhibition was defined by the sequential effect, the correlation between the estimated probability of stop signal - p(Stop) - and go trial reaction time (goRT). P(Stop) was estimated trial by trial with a Bayesian belief model; reactive inhibition was defined by the stop signal reaction time (SSRT). Behaviorally the magnitude of sequential effect was not correlated with age, replicating earlier reports of spared proactive control in older adults. Age was associated with greater activations to p(Stop) in the lateral prefrontal cortex (PFC), paracentral lobule, superior parietal lobule, and cerebellum, and activations to goRT in the inferior occipital gyrus (IOG). Granger Causality analysis demonstrated that the PFC Granger caused IOG, with the PFC-IOG connectivity significantly correlated with p(Stop) in older but not younger adults. These findings suggest that the PFC and IOG activations and PFC-IOG connectivity may compensate for proactive control during aging. In contrast, while the activations of the ventromedial prefrontal cortex and caudate head to p(Stop) were negatively correlated with SSRT, relating proactive to reactive control, these activities did not vary with age. These findings highlighted distinct neural processes underlying proactive inhibition and limited neural plasticity to support cognitive control in the aging brain.
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26
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van der Heiden RMA, Janssen CP, Donker SF, Kenemans JL. The influence of cognitive load on susceptibility to audio. Acta Psychol (Amst) 2020; 205:103058. [PMID: 32199246 DOI: 10.1016/j.actpsy.2020.103058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/27/2020] [Accepted: 03/06/2020] [Indexed: 12/01/2022] Open
Abstract
In this study we evaluate how cognitive load affects susceptibility to auditory signals. Previous research has used the frontal P3 (fP3) event related potential response to auditory novel stimuli as an index for susceptibility to auditory signals. This work demonstrated that tasks that induce cognitive load such as visual and manual tasks, reduced susceptibility. It is however unknown whether cognitive load without visual or manual components also reduces susceptibility. To investigate this, we induced cognitive load by means of the verb generation task, in which participants need to think about a verb that matches a noun. The susceptibility to auditory signals was measured by recording the event related potential in response to a successively presented oddball probe stimulus at 3 different inter-stimulus intervals, 0 ms, 200 ms or 400 ms after the offset of the noun from the verb generation task. An additional control baseline condition, in which oddball response was probed without a verb generation task, was also included. Results show that the cognitive load associated with the verb task reduces fP3 response (and associated auditory signal susceptibility) compared to baseline, independent of presentation interval. This suggests that not only visual and motor processing, but also cognitive load without visual or manual components, can reduce susceptibility to auditory signals and alerts.
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Affiliation(s)
- Remo M A van der Heiden
- Utrecht University, Department of Experimental Psychology, Utrecht, the Netherlands; Helmholtz Institute, Utrecht, the Netherlands.
| | - Christian P Janssen
- Utrecht University, Department of Experimental Psychology, Utrecht, the Netherlands; Helmholtz Institute, Utrecht, the Netherlands
| | - Stella F Donker
- Utrecht University, Department of Experimental Psychology, Utrecht, the Netherlands; Helmholtz Institute, Utrecht, the Netherlands
| | - J Leon Kenemans
- Utrecht University, Department of Experimental Psychology, Utrecht, the Netherlands; Helmholtz Institute, Utrecht, the Netherlands
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27
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Nguyen AT, Albrecht MA, Lipp OV, Marinovic W. Motor output matters: Evidence of a continuous relationship between Stop/No-go P300 amplitude and peak force on failed inhibitions at the trial-level. Psychophysiology 2020; 57:e13558. [PMID: 32129505 DOI: 10.1111/psyp.13558] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 01/09/2020] [Accepted: 02/12/2020] [Indexed: 01/02/2023]
Abstract
Motor actions can be suppressed with varying degrees of success, but this variability is not often captured as responses are typically represented as binary (response vs. no-response). Although the Stop/No-go P300 has been implicated as an index of inhibitory-control, it is unclear how the range of motor outputs relates to the P300. We examined the nature of this association in two experiments using an Anticipatory Timing and a Go/No-go Task, while measuring peak force, movement onset time, and P300. In both experiments, our results showed that trial-by-trial P300 amplitude on Failed Inhibitions were continuously related to peak force, where higher force (reflecting a greater degree of error) was associated with smaller P300 amplitude. Compared to Successful Inhibitions, P300 amplitude and onset latency on Failed Inhibitions were significantly reduced and delayed. Although the binary categorization of inhibition-success (Successful vs. Failed) accounts for significant variance in the P300, it misses a reliable linear relationship that can be captured by continuous measures of motor output. Overall, the results provide evidence that P300 may reflect the continuously varying engagement of inhibitory-control. We present an activation model to visualize the P300-force association and to illustrate how motor output might be modeled in the context of inhibitory-control. Our results highlight the relevance of P300 amplitude and the importance of studying the spectrum of motor output and the need for future models to account for motor output.
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Affiliation(s)
- An T Nguyen
- School of Psychology, Curtin University, Perth, WA, Australia
| | | | - Ottmar V Lipp
- School of Psychology, Curtin University, Perth, WA, Australia
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Proactive control without midfrontal control signals? The role of midfrontal oscillations in preparatory conflict adjustments. Biol Psychol 2019; 148:107747. [DOI: 10.1016/j.biopsycho.2019.107747] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 08/26/2019] [Accepted: 08/26/2019] [Indexed: 12/14/2022]
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Debruille JB, Touzel M, Segal J, Snidal C, Renoult L. A Central Component of the N1 Event-Related Brain Potential Could Index the Early and Automatic Inhibition of the Actions Systematically Activated by Objects. Front Behav Neurosci 2019; 13:95. [PMID: 31139060 PMCID: PMC6517799 DOI: 10.3389/fnbeh.2019.00095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 04/17/2019] [Indexed: 11/13/2022] Open
Abstract
Stimuli of the environment, like objects, systematically activate the actions they are associated to. These activations occur extremely fast. Nevertheless, behavioral data reveal that, in most cases, these activations are then automatically inhibited, around 100 ms after the occurrence of the stimulus. We thus tested whether this early inhibition could be indexed by a central component of the N1 event-related brain potential (ERP). To achieve that goal, we looked at whether this ERP component is larger in tasks that could increase the inhibition and in trials where reaction times (RTs) happen to be long. The illumination of a real space bar of a keyboard out of the dark was used as a stimulus. To maximize the modulation of the inhibition, the task participants had to perform was manipulated across blocks. A look-only task and a count task were used to increase inhibition and an immediate press task was used to decrease it. ERPs of the two block-conditions where presses had to be prevented and where the largest central N1s were predicted were compared to those elicited in the press task, differentiating the ERPs to the third of the trials where presses were the slowest from the ERPs to the third of the trials with the fastest presses. Despite larger negativities due to lateralized readiness potentials (LRPs) and despite greater attention likely in immediate press-trials, central N1s were found to be minimal for the fastest presses, intermediate for the slowest ones and maximal for the two no-press conditions. These results thus provide a strong support for the idea that the central N1 indexes an early and short lasting automatic inhibition of the actions systematically activated by objects. They also confirm that the strength of this automatic inhibition spontaneously fluctuates across trials and tasks. On the other hand, just before N1s, parietal P1s were found larger for fastest presses. They might thus index the initial activation of these actions. Finally, consistent with the idea that N300s index late inhibition processes, that occur preferentially when the task requires them, these ERPs were quasi absent for fast presses trials and much larger in the three other conditions.
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Affiliation(s)
- J. Bruno Debruille
- Department of Neuroscience, McGill University, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Molly Touzel
- Department of Neuroscience, McGill University, Montreal, QC, Canada
| | - Julia Segal
- Department of Neuroscience, McGill University, Montreal, QC, Canada
| | - Christine Snidal
- Department of Neuroscience, McGill University, Montreal, QC, Canada
| | - Louis Renoult
- School of Psychology, University of East Anglia, Norwich, United Kingdom
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Wessel JR, Waller DA, Greenlee JD. Non-selective inhibition of inappropriate motor-tendencies during response-conflict by a fronto-subthalamic mechanism. eLife 2019; 8:42959. [PMID: 31063130 PMCID: PMC6533064 DOI: 10.7554/elife.42959] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 05/06/2019] [Indexed: 11/30/2022] Open
Abstract
To effectively interact with their environment, humans must often select actions from multiple incompatible options. Existing theories propose that during motoric response-conflict, inappropriate motor activity is actively (and perhaps non-selectively) suppressed by an inhibitory fronto-basal ganglia mechanism. We here tested this theory across three experiments. First, using scalp-EEG, we found that both outright action-stopping and response-conflict during action-selection invoke low-frequency activity of a common fronto-central source, whose activity relates to trial-by-trial behavioral indices of inhibition in both tasks. Second, using simultaneous intracranial recordings from the basal ganglia and motor cortex, we found that response-conflict increases the influence of the subthalamic nucleus on M1-representations of incorrect response-tendencies. Finally, using transcranial magnetic stimulation, we found that during the same time period when conflict-related STN-to-M1 communication is increased, cortico-spinal excitability is broadly suppressed. Together, these findings demonstrate that fronto-basal ganglia networks buttress action-selection under response-conflict by rapidly and non-selectively net-inhibiting inappropriate motor tendencies.
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Affiliation(s)
- Jan R Wessel
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, United States.,Department of Psychological and Brain Sciences, University of Iowa, Iowa City, United States
| | - Darcy A Waller
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, United States
| | - Jeremy Dw Greenlee
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, United States
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31
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Coubard OA. Commentary: Towards a unifying mechanism for cancelling movements. Front Psychol 2019; 10:879. [PMID: 31133913 PMCID: PMC6514224 DOI: 10.3389/fpsyg.2019.00879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 04/03/2019] [Indexed: 11/13/2022] Open
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Chmielewski WX, Beste C. Stimulus Feature Conflicts Enhance Motor Inhibitory Control Processes in the Lateral Prefrontal Cortex. J Cogn Neurosci 2019; 31:1430-1442. [PMID: 31059349 DOI: 10.1162/jocn_a_01424] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The ability to inhibit prepotent responses is a central facet of cognitive control. However, the role of perceptual factors in response inhibition processes is still poorly understood and an underrepresented field of research. In the current study, we focus on the role of conflicts between perceptual stimulus features (so-called S-S conflicts) for response inhibition. We introduce a novel semantic Stroop Condition task and analyze EEG data using source localization and temporal EEG signal decomposition methods to delineate the neural mechanisms how semantic S-S conflicts modulate response inhibition. We show that semantic conflicts enhance response inhibition performance by modulating neural processes relating to conflict resolution mechanisms in the middle and inferior frontal cortex, as well as the ACC. Opposed to that, Stroop-like (S-S) conflicts compromise response execution by affecting decision processes in inferior parietal cortices. The data suggest that when action control processes and their neurophysiological correlates depend on regions specialized in the processing of semantic conflicts, there is an improvement in response inhibition. The results show that Stroop-like semantic conflicts have opposite effects depending on whether a response has to be executed or inhibited. These opposing effects are then also associated with different functional-neuroanatomical structures. The results of the study show mechanisms by which stimulus-related processes influence mechanisms of response control.
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Waller DA, Hazeltine E, Wessel JR. Common neural processes during action-stopping and infrequent stimulus detection: The frontocentral P3 as an index of generic motor inhibition. Int J Psychophysiol 2019; 163:11-21. [PMID: 30659867 DOI: 10.1016/j.ijpsycho.2019.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 01/13/2019] [Accepted: 01/15/2019] [Indexed: 10/27/2022]
Abstract
The stop-signal task (SST) is used to study action-stopping in the laboratory. In SSTs, the P3 event-related potential following stop-signals is considered to be a neural index of motor inhibition. However, a similar P3 deflection is often observed following infrequent events in non-inhibition tasks. Moreover, within SSTs, stop-signals are indeed infrequent events, presenting a systematic confound that hampers the interpretation of the stop-signal P3 (and other candidate neural indices of motor inhibition). Therefore, we performed two studies to test whether the stop-signal P3 is uniquely related to motor inhibition or reflects infrequency detection. In Study 1, participants completed the SST and a visually identical change-detection task requiring the detection of a task-relevant, frequent signal (but not motor inhibition). We observed a P3 associated with motor inhibition in the SST, but no such positivity in the change-detection task. In Study 2, we modified the change-detection task. Some task-relevant events were now infrequent, matching the frequency of stop-signals in the SST. These events indeed evoked a P3, though of smaller amplitude than the P3 in the SST. Independent component analysis suggested that stop-signal P3 and infrequency-P3 ERPs were non-independent and shared a common neural generator. Further analyses suggested that this common neural process likely reflects motor inhibition in both tasks: infrequent events in the change-detection task lead to a non-instructed, incidental slowing of motor responding, the degree of which was strongly correlated with P3 amplitude. These results have wide-reaching implications for the interpretation of neural signals in both stop-signal and infrequency/oddball-tasks.
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Affiliation(s)
- Darcy A Waller
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, United States of America.
| | - Eliot Hazeltine
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, United States of America
| | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, United States of America; Department of Neurology, University of Iowa Hospital and Clinics, Iowa City, IA, United States of America.
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34
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van Hulst BM, de Zeeuw P, Vlaskamp C, Rijks Y, Zandbelt BB, Durston S. Children with ADHD symptoms show deficits in reactive but not proactive inhibition, irrespective of their formal diagnosis. Psychol Med 2018; 48:2515-2521. [PMID: 29415788 PMCID: PMC6190063 DOI: 10.1017/s0033291718000107] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 01/05/2018] [Accepted: 01/05/2018] [Indexed: 01/21/2023]
Abstract
BACKGROUND Attenuated inhibitory control is one of the most robust findings in the neuropsychology of attention-deficit/hyperactivity disorder (ADHD). However, it is unclear whether this represents a deficit in outright stopping (reactive inhibition), whether it relates to a deficit in anticipatory response slowing (proactive inhibition), or both. In addition, children with other development disorders, such as autism spectrum disorder (ASD), often have symptoms of inattention, impulsivity, and hyperactivity similar to children with ADHD. These may relate to similar underlying changes in inhibitory processing. METHODS In this study, we used a modified stop-signal task to dissociate reactive and proactive inhibition. We included not only children with ADHD, but also children primarily diagnosed with an ASD and high parent-rated levels of ADHD symptoms. RESULTS We replicated the well-documented finding of attenuated reactive inhibition in children with ADHD. In addition, we found a similar deficit in children with ASD and a similar level of ADHD symptoms. In contrast, we found no evidence for deficits in proactive inhibition in either clinical group. CONCLUSIONS These findings re-emphasize the role of reactive inhibition in children with ADHD and ADHD symptoms. Moreover, our findings stress the importance of a trans-diagnostic approach to the relationship between behavior and neuropsychology.
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Affiliation(s)
- Branko M. van Hulst
- NICHE Lab, Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Patrick de Zeeuw
- NICHE Lab, Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Chantal Vlaskamp
- NICHE Lab, Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Yvonne Rijks
- NICHE Lab, Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Bram B. Zandbelt
- Donders Institute for Brain, Cognition and Behavior, Radboud University, Nijmegen, The Netherlands
| | - Sarah Durston
- NICHE Lab, Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
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van der Heiden RMA, Janssen CP, Donker SF, Hardeman LES, Mans K, Kenemans JL. Susceptibility to audio signals during autonomous driving. PLoS One 2018; 13:e0201963. [PMID: 30102723 PMCID: PMC6089411 DOI: 10.1371/journal.pone.0201963] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/25/2018] [Indexed: 11/26/2022] Open
Abstract
We investigate how susceptible human drivers are to auditory signals in three situations: when stationary, when driving, or when being driven by an autonomous vehicle. Previous research has shown that human susceptibility is reduced when driving compared to when being stationary. However, it is not known how susceptible humans are under autonomous driving conditions. At the same time, good susceptibility is crucial under autonomous driving conditions, as such systems might use auditory signals to communicate a transition of control from the automated vehicle to the human driver. We measured susceptibility using a three-stimulus auditory oddball paradigm while participants experienced three driving conditions: stationary, autonomous, or driving. We studied susceptibility through the frontal P3 (fP3) Electroencephalography Event-Related Potential response (EEG ERP response). Results show that the fP3 component is reduced in autonomous compared to stationary conditions, but not as strongly as when participants drove themselves. In addition, the fP3 component is further reduced when the oddball task does not require a response (i.e., in a passive condition, versus active). The implication is that, even in a relatively simple autonomous driving scenario, people's susceptibility of auditory signals is not as high as would be beneficial for responding to auditory stimuli.
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Affiliation(s)
| | - Christian P. Janssen
- Experimental Psychology & Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
| | - Stella F. Donker
- Experimental Psychology & Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
| | - Lotte E. S. Hardeman
- Experimental Psychology & Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
| | - Keri Mans
- Experimental Psychology & Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
| | - J. Leon Kenemans
- Experimental Psychology & Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
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36
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Wessel JR. A Neural Mechanism for Surprise-related Interruptions of Visuospatial Working Memory. Cereb Cortex 2018; 28:199-212. [PMID: 27909006 DOI: 10.1093/cercor/bhw367] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/04/2016] [Indexed: 01/08/2023] Open
Abstract
Surprising perceptual events recruit a fronto-basal ganglia mechanism for inhibition, which suppresses motor activity following surprise. A recent study found that this inhibitory mechanism also disrupts the maintenance of verbal working memory (WM) after surprising tones. However, it is unclear whether this same mechanism also relates to surprise-related interruptions of non-verbal WM. We tested this hypothesis using a change-detection task, in which surprising tones impaired visuospatial WM. Participants also performed a stop-signal task (SST). We used independent component analysis and single-trial scalp-electroencephalogram to test whether the same inhibitory mechanism that reflects motor inhibition in the SST relates to surprise-related visuospatial WM decrements, as was the case for verbal WM. As expected, surprising tones elicited activity of the inhibitory mechanism, and this activity correlated strongly with the trial-by-trial level of surprise. However, unlike for verbal WM, the activity of this mechanism was unrelated to visuospatial WM accuracy. Instead, inhibition-independent activity that immediately succeeded the inhibitory mechanism was increased when visuospatial WM was disrupted. This shows that surprise-related interruptions of visuospatial WM are not effected by the same inhibitory mechanism that interrupts verbal WM, and instead provides evidence for a 2-stage model of distraction.
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Affiliation(s)
- Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA.,Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52245, USA
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37
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Senderecka M, Szewczyk J, Wichary S, Kossowska M. Individual differences in decisiveness: ERP correlates of response inhibition and error monitoring. Psychophysiology 2018; 55:e13198. [PMID: 29781210 DOI: 10.1111/psyp.13198] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 11/30/2022]
Abstract
The aim of the current study was to examine whether and how self-reported decisiveness is associated with response inhibition and performance monitoring. We hypothesized that these two cognitive control mechanisms, both of which are often associated with decision making, would differ in individuals varying in decisiveness. We focused on ERP correlates and behavioral measures of inhibition and error processing in the stop-signal task. We expected a negative relationship between decisiveness and behavioral measures of inhibitory control. We also hypothesized that stop-signal-locked N1 and P3 components and response-locked error-related negativity (ERN) would be less pronounced when participants self-reported higher levels of decisiveness. Correlation analysis identified an association between high decisiveness, long stop-signal reaction time, and low inhibition rate. Analysis with mixed-effects linear models revealed that stop signals evoked less pronounced N1 and P3 in individuals scoring higher on decisiveness in both successfully and unsuccessfully inhibited trials. Additionally, high decisiveness was linked to reduced error monitoring, as indicated by decreased ERNs. Importantly, we also found positive association between P3 onset latency and decisiveness, suggesting that individuals scoring higher on this measure have relatively less ability to rapidly engage the stopping process. Thus, our findings primarily indicate that decisiveness is negatively associated with the efficiency of both response inhibition and error monitoring. They also suggest that highly decisive people may share some characteristics of diminished cognitive control with impulsive individuals.
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Affiliation(s)
| | - Jakub Szewczyk
- Institute of Psychology, Jagiellonian University, Kraków, Poland
| | - Szymon Wichary
- II Faculty of Psychology, University of Social Sciences and Humanities, Wrocław, Poland
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38
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Beltrán D, Muñetón-Ayala M, de Vega M. Sentential negation modulates inhibition in a stop-signal task. Evidence from behavioral and ERP data. Neuropsychologia 2018. [PMID: 29518413 DOI: 10.1016/j.neuropsychologia.2018.03.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Embodiment theories claim that language meaning involves sensory-motor simulation processes in the brain. A challenge for these theories, however, is to explain how abstract words, such as negations, are processed. In this article, we test the hypothesis that understanding sentential negation (e.g., You will not cut the bread) reuses the neural circuitry of response inhibition. Participants read manual action sentences with either affirmative or negative polarity, embedded in a Stop-Signal paradigm, while their EEG was recorded. The results showed that the inhibition-related N1 and P3 components were enhanced by successful inhibition. Most important, the early N1 amplitude was also modulated by sentence polarity, producing the largest values for successful inhibitions in the context of negative sentences, whereas no polarity effect was found for failing inhibition or go trials. The estimated neural sources for N1 effects revealed activations in the right inferior frontal gyrus, a typical inhibition-related area. Also, the estimated stop-signal reaction time was larger in trials with negative sentences. These results provide strong evidence that action-related negative sentences consume neural resources of response inhibition, resulting in less efficient processing in the Stop-Signal task.
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Affiliation(s)
- David Beltrán
- Department of Cognitive Psychology, Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencia, Universidad de La Laguna, Tenerife, Spain.
| | - Mercedes Muñetón-Ayala
- Instituto Universitario de Neurociencia, Universidad de La Laguna, Tenerife, Spain; Universidad de Antioquia, Colombia
| | - Manuel de Vega
- Department of Cognitive Psychology, Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencia, Universidad de La Laguna, Tenerife, Spain
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39
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Dutra IC, Waller DA, Wessel JR. Perceptual Surprise Improves Action Stopping by Nonselectively Suppressing Motor Activity via a Neural Mechanism for Motor Inhibition. J Neurosci 2018; 38:1482-1492. [PMID: 29305533 PMCID: PMC5815349 DOI: 10.1523/jneurosci.3091-17.2017] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 12/27/2017] [Accepted: 12/28/2017] [Indexed: 01/21/2023] Open
Abstract
Motor inhibition is a cognitive control ability that allows humans to stop actions rapidly even after initiation. Understanding and improving motor inhibition could benefit adaptive behavior in both health and disease. We recently found that presenting surprising, task-unrelated sounds when stopping is necessary improves the likelihood of successful stopping. In the current study, we investigated the neural underpinnings of this effect. Specifically, we tested whether surprise-related stopping improvements are due to a genuine increase in motor inhibition. In Experiment 1, we measured motor inhibition in primary motor cortex of male and female humans by quantifying corticospinal excitability (CSE) via transcranial magnetic stimulation and electromyography during a hybrid surprise-Go/NoGo task. Consistent with prior studies of motor inhibition, successful stopping was accompanied by nonselective suppression of CSE; that is, CSE was suppressed even in task-unrelated motor effectors. Importantly, unexpected sounds significantly increased this motor-system inhibition to a degree that was directly related to behavioral improvements in stopping. In Experiment 2, we then used scalp encephalography to investigate whether unexpected sounds increase motor-inhibition-related activity in the CNS. We used an independent stop-signal localizer task to identify a well characterized frontocentral low-frequency EEG component that indexes motor inhibition. We then investigated the activity of this component in the surprise-Go/NoGo task. Consistent with Experiment 1, this signature of motor inhibition was indeed increased when NoGo signals were followed by unexpected sounds. Together, these experiments provide converging evidence suggesting that unexpected events improve motor inhibition by automatically triggering inhibitory control.SIGNIFICANCE STATEMENT The ability to stop ongoing actions rapidly allows humans to adapt their behavior flexibly and rapidly. Action stopping is important in daily life (e.g., stopping to cross the street when a car approaches) and is severely impaired in many neuropsychiatric disorders. Therefore, finding ways to improve action stopping could aid adaptive behaviors in health and disease. Our current study shows that presenting unexpected sounds in stopping situations facilitates successful stopping. This improvement is specifically due to a surprise-related increase in a neural mechanism for motor inhibition, which rapidly suppresses the excitability of the motor system after unexpected events. These findings suggest a tight interaction between the neural systems for surprise processing and motor inhibition and yield a promising avenue for future research.
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Affiliation(s)
- Isabella C Dutra
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, Iowa 52245 and
| | - Darcy A Waller
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, Iowa 52245 and
| | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, Iowa 52245 and
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242
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40
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Senderecka M. Emotional enhancement of error detection-The role of perceptual processing and inhibition monitoring in failed auditory stop trials. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2018; 18:1-20. [PMID: 29076064 PMCID: PMC5823965 DOI: 10.3758/s13415-017-0546-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The first aim of the present study was to test whether arousing, aversive sounds can influence inhibitory task performance and lead to increased error monitoring relative to a neutral task condition. The second aim was to examine whether the enhancement of error monitoring in an affective context (if present) could be predicted from stop-signal-related brain activity. Participants performed an emotional stop-signal task that required response inhibition to aversive and neutral auditory stimuli. The behavioral data revealed that unpleasant sounds facilitated inhibitory processing by decreasing the stop-signal reaction time and increasing the inhibitory rate relative to neutral tones. Aversive sounds evoked larger N1, P3, and Pe components, indicating improvements in perceptual processing, inhibition, and conscious error monitoring. A first regression analysis, conducted regardless of the category of the stop signal, revealed that both selected indexes of stop-signal-related brain activity-the N1 and P3 amplitudes recorded in the unsuccessfully inhibited trials-significantly accounted for the Pe component variance, explaining a large amount of the observed variation (66%). A second regression model, focused on difference measures (emotional minus neutral), revealed that the affective increase in the P3 amplitude on failed stop trials was the only factor that significantly accounted for the emotional enhancement effect in the Pe amplitude. This suggests that, in general (regardless of stop-signal condition), error processing is stronger if the erroneous response directly follows the stimulus, which was effectively processed on both the perceptual and action-monitoring levels. However, only inhibition-monitoring evidence accounts for the emotional increase in conscious error detection.
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Affiliation(s)
- Magdalena Senderecka
- Cognitive Science Unit, Institute of Philosophy, Jagiellonian University, Grodzka 52, 31-044, Kraków, Poland.
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41
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Wagner J, Wessel JR, Ghahremani A, Aron AR. Establishing a Right Frontal Beta Signature for Stopping Action in Scalp EEG: Implications for Testing Inhibitory Control in Other Task Contexts. J Cogn Neurosci 2017; 30:107-118. [PMID: 28880766 DOI: 10.1162/jocn_a_01183] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Many studies have examined the rapid stopping of action as a proxy of human self-control. Several methods have shown that a critical focus for stopping is the right inferior frontal cortex. Moreover, electrocorticography studies have shown beta band power increases in the right inferior frontal cortex and in the BG for successful versus failed stop trials, before the time of stopping elapses, perhaps underpinning a prefrontal-BG network for inhibitory control. Here, we tested whether the same signature might be visible in scalp electroencephalography (EEG)-which would open important avenues for using this signature in studies of the recruitment and timing of prefrontal inhibitory control. We used independent component analysis and time-frequency approaches to analyze EEG from three different cohorts of healthy young volunteers (48 participants in total) performing versions of the standard stop signal task. We identified a spectral power increase in the band 13-20 Hz that occurs after the stop signal, but before the time of stopping elapses, with a right frontal topography in the EEG. This right frontal beta band increase was significantly larger for successful compared with failed stops in two of the three studies. We also tested the hypothesis that unexpected events recruit the same frontal system for stopping. Indeed, we show that the stopping-related right-lateralized frontal beta signature was also active after unexpected events (and we accordingly provide data and scripts for the method). These results validate a right frontal beta signature in the EEG as a temporally precise and functionally significant neural marker of the response inhibition process.
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Affiliation(s)
| | - Jan R Wessel
- University of Iowa.,University of Iowa Hospitals and Clinics
| | - Ayda Ghahremani
- Krembil Research Institute, Toronto, Canada.,University of Toronto
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Parkinson's Disease Subtypes Show Distinct Tradeoffs Between Response Initiation and Inhibition Latencies. J Int Neuropsychol Soc 2017; 23:665-674. [PMID: 28850018 DOI: 10.1017/s1355617717000467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVES In unpredictable situations, individuals often show tradeoffs between response initiation and inhibition speeds. We tested the hypothesis that Parkinson's disease (PD) motor subtypes differentially impact tradeoffs between these two action-oriented processes. We predicted that, compared to tremor dominant (TD) patients, predominant postural instability and gait dysfunction (PIGD) patients would show exacerbated tradeoffs between response initiation and inhibition in situations requiring the sudden potential need to interrupt an action. METHODS Fifty-one PD patients (subdivided into PIGD [n=27] and TD [n=24]) and 21 healthy controls (HCs) completed a choice reaction task to establish baseline response initiation speed between groups. Subsequently, participants completed a stop-signal task which introduced an occasional, unpredictable stop stimulus. We measured changes in initiation speed in preparation of an unpredictable stop (i.e., proactive slowing) and inhibition latency (i.e., stop-signal reaction time). RESULTS Compared to HCs, PD patients showed slower response initiation speeds in the choice reaction task. All groups showed proactive slowing in the stop-signal task but the magnitude was considerably larger in PIGD patients, almost twice as large as TD patients. PD patients, irrespective of motor subtype, showed longer inhibition latencies than HCs. CONCLUSIONS PIGD and TD subtypes both showed exacerbated response inhibition deficits. However, PIGD patients showed much more pronounced proactive slowing in situations with an expected yet unpredictable need to stop action abruptly. This suggests that PIGD is accompanied by exaggerated tradeoffs between response initiation and inhibition processes to meet situational action demands. We discuss putative neural mechanisms and clinical implications of these findings. (JINS, 2017, 23, 665-674).
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43
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The proactive self-control of actions: Time-course of underlying brain activities. Neuroimage 2017; 156:388-393. [DOI: 10.1016/j.neuroimage.2017.05.043] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 05/05/2017] [Accepted: 05/18/2017] [Indexed: 02/04/2023] Open
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On the Globality of Motor Suppression: Unexpected Events and Their Influence on Behavior and Cognition. Neuron 2017; 93:259-280. [PMID: 28103476 DOI: 10.1016/j.neuron.2016.12.013] [Citation(s) in RCA: 252] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 11/21/2016] [Accepted: 12/05/2016] [Indexed: 02/08/2023]
Abstract
Unexpected events are part of everyday experience. They come in several varieties-action errors, unexpected action outcomes, and unexpected perceptual events-and they lead to motor slowing and cognitive distraction. While different varieties of unexpected events have been studied largely independently, and many different mechanisms are thought to explain their effects on action and cognition, we suggest a unifying theory. We propose that unexpected events recruit a fronto-basal-ganglia network for stopping. This network includes specific prefrontal cortical nodes and is posited to project to the subthalamic nucleus, with a putative global suppressive effect on basal-ganglia output. We argue that unexpected events interrupt action and impact cognition, partly at least, by recruiting this global suppressive network. This provides a common mechanistic basis for different types of unexpected events; links the literatures on motor inhibition, performance monitoring, attention, and working memory; and is relevant for understanding clinical symptoms of distractibility and mental inflexibility.
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Proactive Control: Neural Oscillatory Correlates of Conflict Anticipation and Response Slowing. eNeuro 2017; 4:eN-NWR-0061-17. [PMID: 28560315 PMCID: PMC5446487 DOI: 10.1523/eneuro.0061-17.2017] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/08/2017] [Accepted: 05/08/2017] [Indexed: 11/21/2022] Open
Abstract
Proactive control allows us to anticipate environmental changes and adjust behavioral strategy. In the laboratory, investigators have used a number of different behavioral paradigms, including the stop-signal task (SST), to examine the neural processes of proactive control. Previous functional MRI studies of the SST have demonstrated regional responses to conflict anticipation-the likelihood of a stop signal or P(stop) as estimated by a Bayesian model-and reaction time (RT) slowing and how these responses are interrelated. Here, in an electrophysiological study, we investigated the time-frequency domain substrates of proactive control. The results showed that conflict anticipation as indexed by P(stop) was positively correlated with the power in low-theta band (3-5 Hz) in the fixation (trial onset)-locked interval, and go-RT was negatively correlated with the power in delta-theta band (2-8 Hz) in the go-locked interval. Stimulus prediction error was positively correlated with the power in the low-beta band (12-22 Hz) in the stop-locked interval. Further, the power of the P(stop) and go-RT clusters was negatively correlated, providing a mechanism relating conflict anticipation to RT slowing in the SST. Source reconstruction with beamformer localized these time-frequency activities close to brain regions as revealed by functional MRI in earlier work. These are the novel results to show oscillatory electrophysiological substrates in support of trial-by-trial behavioral adjustment for proactive control.
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Raud L, Huster RJ. The Temporal Dynamics of Response Inhibition and their Modulation by Cognitive Control. Brain Topogr 2017; 30:486-501. [DOI: 10.1007/s10548-017-0566-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 04/24/2017] [Indexed: 02/04/2023]
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Wessel JR. Prepotent motor activity and inhibitory control demands in different variants of the go/no-go paradigm. Psychophysiology 2017; 55. [DOI: 10.1111/psyp.12871] [Citation(s) in RCA: 140] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 03/08/2017] [Accepted: 03/09/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Jan R. Wessel
- Department of Psychological and Brain Sciences; University of Iowa; Iowa City Iowa
- Department of Neurology; University of Iowa Hospitals and Clinics; Iowa City Iowa
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Duque J, Greenhouse I, Labruna L, Ivry RB. Physiological Markers of Motor Inhibition during Human Behavior. Trends Neurosci 2017; 40:219-236. [PMID: 28341235 DOI: 10.1016/j.tins.2017.02.006] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 02/17/2017] [Accepted: 02/21/2017] [Indexed: 01/25/2023]
Abstract
Transcranial magnetic stimulation (TMS) studies in humans have shown that many behaviors engage processes that suppress excitability within the corticospinal tract. Inhibition of the motor output pathway has been extensively studied in the context of action stopping, where a planned movement needs to be abruptly aborted. Recent TMS work has also revealed markers of motor inhibition during the preparation of movement. Here, we review the evidence for motor inhibition during action stopping and action preparation, focusing on studies that have used TMS to monitor changes in the excitability of the corticospinal pathway. We discuss how these physiological results have motivated theoretical models of how the brain selects actions, regulates movement initiation and execution, and switches from one state to another.
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Affiliation(s)
- Julie Duque
- Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium.
| | - Ian Greenhouse
- Department of Psychology, University of California, Berkeley, CA, USA; Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
| | - Ludovica Labruna
- Department of Psychology, University of California, Berkeley, CA, USA; Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
| | - Richard B Ivry
- Department of Psychology, University of California, Berkeley, CA, USA; Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
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Haloperidol 2 mg impairs inhibition but not visuospatial attention. Psychopharmacology (Berl) 2017; 234:235-244. [PMID: 27747369 DOI: 10.1007/s00213-016-4454-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 09/28/2016] [Indexed: 11/27/2022]
Abstract
RATIONALE The dopaminergic system has been implicated in visuospatial attention and inhibition, but the exact role has yet to be elucidated. Scarce literature suggests that attenuation of dopaminergic neurotransmission negatively affects attentional focusing and inhibition. To the best of our knowledge, this is the first study that evaluated the effect of dopaminergic antagonism on stopping performance. METHODS Dopaminergic neurotransmission was attenuated in 28 healthy male participants by using 2 mg haloperidol. A repeated-measures placebo-controlled crossover design was implemented, and performance indices of attention and inhibition were assessed in the visual spatial cueing task (VSC) and stop signal task (SST). Additionally, the effect of haloperidol on motoric parameters was assessed. It was expected that haloperidol as contrasted to placebo would result in a reduction of the "validity effect," the benefit of valid cueing as opposed to invalid cueing of a target in terms of reaction time. Furthermore, an increase in stop signal reaction time (SSRT) in the SST was expected. RESULTS AND CONCLUSION Results partially confirmed the hypothesis. Haloperidol negatively affected inhibitory motor control in the SST as indexed by SSRT, but there were no indications that haloperidol affected bias or disengagement in the VSC task as indicated by a lack of an effect on RTs. Pertaining to secondary parameters, motor activity increased significantly under haloperidol. Haloperidol negatively affected reaction time variability and errors in both tasks, as well as omissions in the SST, indicating a decreased sustained attention, an increase in premature responses, and an increase in lapses of attention, respectively.
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Huster RJ, Schneider S, Lavallee CF, Enriquez-Geppert S, Herrmann CS. Filling the void-enriching the feature space of successful stopping. Hum Brain Mapp 2016; 38:1333-1346. [PMID: 27862666 DOI: 10.1002/hbm.23457] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 09/30/2016] [Accepted: 10/25/2016] [Indexed: 01/07/2023] Open
Abstract
The ability to inhibit behavior is crucial for adaptation in a fast changing environment and is commonly studied with the stop signal task. Current EEG research mainly focuses on the N200 and P300 ERPs and corresponding activity in the theta and delta frequency range, thereby leaving us with a limited understanding of the mechanisms of response inhibition. Here, 15 functional networks were estimated from time-frequency transformed EEG recorded during processing of a visual stop signal task. Cortical sources underlying these functional networks were reconstructed, and a total of 45 features, each representing spectrally and temporally coherent activity, were extracted to train a classifier to differentiate between go and stop trials. A classification accuracy of 85.55% for go and 83.85% for stop trials was achieved. Features capturing fronto-central delta- and theta activity, parieto-occipital alpha, fronto-central as well as right frontal beta activity were highly discriminating between trial-types. However, only a single network, comprising a feature defined by oscillatory activity below 12 Hz, was associated with a generator in the opercular region of the right inferior frontal cortex and showed the expected associations with behavioral inhibition performance. This study pioneers by providing a detailed ranking of neural features regarding their information content for stop and go differentiation at the single-trial level, and may further be the first to identify a scalp EEG marker of the inhibitory control network. This analysis allows for the characterization of the temporal dynamics of response inhibition by matching electrophysiological phenomena to cortical generators and behavioral inhibition performance. Hum Brain Mapp 38:1333-1346, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- René J Huster
- Department of Psychology, University of Oslo, Norway.,Psychology Clinical Neurosciences Center, University of New Mexico, Albuquerque, New Mexico, USA
| | - Signe Schneider
- Department of Systems Nseuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | | | - Christoph S Herrmann
- Experimental Psychology Lab, Department of Psychology, Cluster of Excellence "Hearing4all", European Medical School, Carl von Ossietzky University, Oldenburg, Germany.,Research Center Neurosensory Science, Carl-von-Ossietzky University Oldenburg, Oldenburg, Germany
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