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García-Dopico N, Terrasa JL, González-Roldán AM, Velasco-Roldán O, Sitges C. Unraveling the Left-Right Judgment Task in Chronic Low Back Pain: Insights Through Behavioral, Electrophysiological, Motor Imagery, and Bodily Disruption Perspectives. THE JOURNAL OF PAIN 2024; 25:104484. [PMID: 38307439 DOI: 10.1016/j.jpain.2024.01.349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024]
Abstract
Bodily disruptions have been consistently demonstrated in individuals with chronic low back pain. The performance on the left-right judgment task has been purposed as an indirect measure of the cortical proprioceptive representation of the body. It has been suggested to be dependent on implicit motor imagery, although the available evidence is conflicting. Hence, the aim of this case-control observational study was to examine the performance (accuracy and reaction times) and event-related potentials while performing the left-right judgment task for back and hand images in individuals with chronic low back pain versus healthy controls, along with its relationship with self-reported measurements and quantitative sensory testing. While self-reported data suggested bodily disruptions in the chronic low back pain sample, this was not supported by quantitative sensory testing. Although both groups displayed the same performance, our results suggested an increased attentional load on participants with chronic low back pain to achieve equal performance, measured by a higher N1 peak amplitude in occipital electrodes, especially when the effect of contextual images arises. The absence of differences in the reaction times for the left-right judgment task between both groups, along with inconsistencies in self-reported and quantitative sensory testing data, could question the involvement of implicit motor imagery in solving the task. In conclusion, our results suggest disrupted attentional processing in participants with chronic low back pain to solve the left-right judgment task. PERSPECTIVE: Although there are no differences in the performance of the left-right judgment task (hits, reaction times) between chronic low back pain patients and controls, the analysis of event-related potentials revealed that patients require a higher cognitive load, measured by N1 peak amplitude.
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Affiliation(s)
- Nuria García-Dopico
- Department of Nursing and Physiotherapy, University of the Balearic Islands (UIB), Palma, Spain; Research Institute of Health Sciences (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Juan L Terrasa
- Research Institute of Health Sciences (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain; Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
| | - Ana M González-Roldán
- Research Institute of Health Sciences (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain; Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
| | - Olga Velasco-Roldán
- Department of Nursing and Physiotherapy, University of the Balearic Islands (UIB), Palma, Spain; Research Institute of Health Sciences (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Carolina Sitges
- Research Institute of Health Sciences (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain; Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
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2
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Sutil-Jiménez AJ, Alba G, Muñoz MA. Development and validation of a pictographic assessment embodiment scale. Q J Exp Psychol (Hove) 2024:17470218241252557. [PMID: 38659176 DOI: 10.1177/17470218241252557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Embodiment is a complex concept related to the subjective perception of an object as it belongs to its own body. In general, this construct has been evaluated by means of questionnaires, but validation studies in other cultures and limitations related with barriers of language received little attention. The purpose of the present investigation was twofold: to validate the factorial structure of embodiment questionnaire (EQ) and to construct a pictographic scale (PAE) to measure embodiment without relapse verbal representations. In the first experiment, 136 participants underwent a Rubber Hand Illusion (RHI) procedure following both congruent and incongruent (control) visuo-tactile stimulations. Then, they evaluated embodiment illusion in EQ using a Likert-type scale to rate their agreement or disagreement with 27 statements and with a pictographic scale designed to assess their subjective experience of the illusion. Principal components analysis in EQ scores identified four components that emerged in both conditions: Embodiment, Disembodiment, Affect and Deafference. PAE scale was highly correlated with embodiment factor and can differentiate between conditions. In a second experiment, 30 participants underwent the RHI procedure, and they were assessed using PAE and proprioceptive drift. Results indicate a high positive correlation between PAE and post-illusion drift score. These results provide evidence about the consistency of the factorial structure of EQ across cultures, and we also provide a new pictographic tool that allows quick measurement of embodiment overcoming language barriers.
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Affiliation(s)
| | - Guzmán Alba
- Department of Personality, Assessment and Treatment, University of Granada, Granada, Spain
- Mind, Brain and Behavior Research Center, University of Granada, Granada, Spain
- Department of Biological and Health Psychology, Autonomous University of Madrid, Madrid, Spain
| | - Miguel A Muñoz
- Department of Personality, Assessment and Treatment, University of Granada, Granada, Spain
- Mind, Brain and Behavior Research Center, University of Granada, Granada, Spain
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Duville MM, Alonso-Valerdi LM, Ibarra-Zarate DI. Improved emotion differentiation under reduced acoustic variability of speech in autism. BMC Med 2024; 22:121. [PMID: 38486293 PMCID: PMC10941423 DOI: 10.1186/s12916-024-03341-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 03/05/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Socio-emotional impairments are among the diagnostic criteria for autism spectrum disorder (ASD), but the actual knowledge has substantiated both altered and intact emotional prosodies recognition. Here, a Bayesian framework of perception is considered suggesting that the oversampling of sensory evidence would impair perception within highly variable environments. However, reliable hierarchical structures for spectral and temporal cues would foster emotion discrimination by autistics. METHODS Event-related spectral perturbations (ERSP) extracted from electroencephalographic (EEG) data indexed the perception of anger, disgust, fear, happiness, neutral, and sadness prosodies while listening to speech uttered by (a) human or (b) synthesized voices characterized by reduced volatility and variability of acoustic environments. The assessment of mechanisms for perception was extended to the visual domain by analyzing the behavioral accuracy within a non-social task in which dynamics of precision weighting between bottom-up evidence and top-down inferences were emphasized. Eighty children (mean 9.7 years old; standard deviation 1.8) volunteered including 40 autistics. The symptomatology was assessed at the time of the study via the Autism Diagnostic Observation Schedule, Second Edition, and parents' responses on the Autism Spectrum Rating Scales. A mixed within-between analysis of variance was conducted to assess the effects of group (autism versus typical development), voice, emotions, and interaction between factors. A Bayesian analysis was implemented to quantify the evidence in favor of the null hypothesis in case of non-significance. Post hoc comparisons were corrected for multiple testing. RESULTS Autistic children presented impaired emotion differentiation while listening to speech uttered by human voices, which was improved when the acoustic volatility and variability of voices were reduced. Divergent neural patterns were observed from neurotypicals to autistics, emphasizing different mechanisms for perception. Accordingly, behavioral measurements on the visual task were consistent with the over-precision ascribed to the environmental variability (sensory processing) that weakened performance. Unlike autistic children, neurotypicals could differentiate emotions induced by all voices. CONCLUSIONS This study outlines behavioral and neurophysiological mechanisms that underpin responses to sensory variability. Neurobiological insights into the processing of emotional prosodies emphasized the potential of acoustically modified emotional prosodies to improve emotion differentiation by autistics. TRIAL REGISTRATION BioMed Central ISRCTN Registry, ISRCTN18117434. Registered on September 20, 2020.
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Affiliation(s)
- Mathilde Marie Duville
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Ave. Eugenio Garza Sada 2501 Sur, Col: Tecnológico, Monterrey, N.L, 64700, México.
| | - Luz María Alonso-Valerdi
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Ave. Eugenio Garza Sada 2501 Sur, Col: Tecnológico, Monterrey, N.L, 64700, México
| | - David I Ibarra-Zarate
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Ave. Eugenio Garza Sada 2501 Sur, Col: Tecnológico, Monterrey, N.L, 64700, México
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Gori B, Grippo A, Focardi M, Lolli F. The Italian version of Edinburgh Handedness Inventory: Translation, transcultural adaptation, and validation in healthy subjects. Laterality 2024; 29:151-168. [PMID: 38415990 DOI: 10.1080/1357650x.2024.2315851] [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: 06/15/2023] [Accepted: 01/04/2024] [Indexed: 02/29/2024]
Abstract
Lateralization is a key aspect of brain architecture and handedness is its primary manifestation. The Edinburgh Handedness Inventory (EHI) and the laterality quotient (LQ) assess the direction and consistency of handedness and require translation and cross-cultural adaptation to guarantee construct validity. We developed a standardized Italian EHI version. The developed Italian version was tested on 202 Italian subjects, classified into three hand types based on their LQs: right, mixed, and left. The frequency of left-handedness in Italians and other populations was compared to previous data. LQs from the twenty- and the ten-item original inventories were also compared. We conducted a factorial analysis. Mcdonald's Omega tested internal consistency. The prevalence of left-handedness was 6.4%, consistent with prior findings in Italian samples and other EHI translations. Age was the only socio-demographic variable that significantly affected the LQ. The internal consistency of the Italian EHI was excellent. Handedness is a feature of several cognitive functions and some neuropsychological diseases; it is influenced by socio-demographic and cultural factors and the instrument used to assess it. To provide a consistent and comparable evaluation of the construct, we recommend using this validated Italian translation of the EHI.
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Affiliation(s)
- Benedetta Gori
- SODc Neurophysiopathology, Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, AOU Careggi University Hospital, Florence, Italy
| | - Antonello Grippo
- SODc Neurophysiopathology, Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, AOU Careggi University Hospital, Florence, Italy
- IRCCS Fondazione don Carlo Gnocchi, Firenze, Italy
| | - Martina Focardi
- UOC Medicina legale, AOU Careggi University Hospital, Florence, Italy
| | - Francesco Lolli
- Dipartimento di Scienze Biomediche, Sperimentali e Cliniche, University of Florence, Florence, Italy
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Lupu DC, Monedero I, Rodriguez-Ruiz C, Pita M, Turiegano E. In support of 2D:4D: More data exploring its conflicting results on handedness, sexual orientation and sex differences. PLoS One 2023; 18:e0280514. [PMID: 37607180 PMCID: PMC10443882 DOI: 10.1371/journal.pone.0280514] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 12/28/2022] [Indexed: 08/24/2023] Open
Abstract
In the last few years, several studies have questioned the value of the second-to-fourth digit ratio (2D:4D) as a measure of exposure to sex hormones before birth. Controversy has also extended to the 2D:4D association with individual features previously related to this exposure such as handedness and sexual orientation. Given that it has been argued that sex differences in 2D:4D could be a consequence of body-size differences, we have tested in a large sample the allometric relationship between finger lengths and body size. Our results show that the association is either allometric or isometric, depending on the analyses performed. In any case, the deviation from isometry is not large enough to explain the typically observed sex difference in this trait. We have also tested the association between sexual orientation and 2D:4D, finding a relationship between 2D:4D and sexual orientation in men but not in women. We attribute this discordance with previously published meta-analysis to differences in genetic background, a variable that has gained relevance in recent years in studies involving 2D:4D. Finally, we did not find any relationship between 2D:4D and handedness, evaluated through self-reported preference and hand performance. Our main conclusion is that 2D:4D shows differences between sexes beyond their disparity in body size. In our opinion, 2D:4D can be used cautiously as an indicator of intrauterine exposure to sex hormones taking into account some considerations, such as analysing a very large sample and taking careful measurements of the ethnicity of the sample.
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Affiliation(s)
| | - Ignacio Monedero
- Departamento de Fisiología, Universidad Autónoma de Madrid, Madrid, España
| | | | - Miguel Pita
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, España
| | - Enrique Turiegano
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, España
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Duville MM, Ibarra-Zarate DI, Alonso-Valerdi LM. Autistic traits shape neuronal oscillations during emotion perception under attentional load modulation. Sci Rep 2023; 13:8178. [PMID: 37210415 DOI: 10.1038/s41598-023-35013-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/11/2023] [Indexed: 05/22/2023] Open
Abstract
Emotional content is particularly salient, but situational factors such as cognitive load may disturb the attentional prioritization towards affective stimuli and interfere with their processing. In this study, 31 autistic and 31 typically developed children volunteered to assess their perception of affective prosodies via event-related spectral perturbations of neuronal oscillations recorded by electroencephalography under attentional load modulations induced by Multiple Object Tracking or neutral images. Although intermediate load optimized emotion processing by typically developed children, load and emotion did not interplay in children with autism. Results also outlined impaired emotional integration emphasized in theta, alpha and beta oscillations at early and late stages, and lower attentional ability indexed by the tracking capacity. Furthermore, both tracking capacity and neuronal patterns of emotion perception during task were predicted by daily-life autistic behaviors. These findings highlight that intermediate load may encourage emotion processing in typically developed children. However, autism aligns with impaired affective processing and selective attention, both insensitive to load modulations. Results were discussed within a Bayesian perspective that suggests atypical updating in precision between sensations and hidden states, towards poor contextual evaluations. For the first time, implicit emotion perception assessed by neuronal markers was integrated with environmental demands to characterize autism.
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Affiliation(s)
- Mathilde Marie Duville
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, NL, México.
| | - David I Ibarra-Zarate
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, NL, México
| | - Luz María Alonso-Valerdi
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, 64849, Monterrey, NL, México
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7
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Duville MM, Corona-González CE, De León RR, Vera AR, Jiménez MSF, Ibarra-Zarate DI, Alonso-Valerdi LM. Perception of task-irrelevant affective prosody by typically developed and diagnosed children with Autism Spectrum Disorder under attentional loads: electroencephalographic and behavioural data. Data Brief 2023; 48:109057. [PMID: 37006385 PMCID: PMC10060595 DOI: 10.1016/j.dib.2023.109057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 02/13/2023] [Accepted: 03/06/2023] [Indexed: 03/16/2023] Open
Abstract
The relevance of affective information triggers cognitive prioritisation, dictated by both the attentional load of the relevant task, and socio-emotional abilities. This dataset provides electroencephalographic (EEG) signals related to implicit emotional speech perception under low, intermediate, and high attentional demands. Demographic and behavioural data are also provided. Specific social-emotional reciprocity and verbal communication characterise Autism Spectrum Disorder (ASD) and may influence the processing of affective prosodies. Therefore, 62 children and their parents or legal guardians participated in data collection, including 31 children with high autistic traits (x̄age=9.6-year-old, σage=1.5) who previously received a diagnosis of ASD by a medical specialist, and 31 typically developed children (x̄age=10.2-year-old, σage=1.2). Assessments of the scope of autistic behaviours using the Autism Spectrum Rating Scales (ASRS, parent report) are provided for every child. During the experiment, children listened to task-irrelevant affective prosodies (anger, disgust, fear, happiness, neutral and sadness) while answering three visual tasks: neutral image viewing (low attentional load), one-target 4-disc Multiple Object Tracking (MOT; intermediate), one-target 8-disc MOT (high). The EEG data recorded during all three tasks and the tracking capacity (behavioural data) from MOT conditions are included in the dataset. Particularly, the tracking capacity was computed as a standardised index of attentional abilities during MOT, corrected for guessing. Beforehand, children answered the Edinburgh Handedness Inventory, and resting-state EEG activity of children was recorded for 2 minutes with eyes open. Those data are also provided. The present dataset can be used to investigate the electrophysiological correlates of implicit emotion and speech perceptions and their interaction with attentional load and autistic traits. Besides, resting-state EEG data may be used to characterise inter-individual heterogeneity at rest and, in turn, associate it with attentional capacities during MOT and with autistic behavioural patterns. Finally, tracking capacity may be useful to explore dynamic and selective attentional mechanisms under emotional constraints.
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Espinoza-Palavicino T, Mena-Chamorro P, Albayay J, Doussoulin A, Gálvez-García G. The use of transcutaneous Vagal Nerve Stimulation as an effective countermeasure for Simulator Adaptation Syndrome. APPLIED ERGONOMICS 2023; 107:103921. [PMID: 36341733 DOI: 10.1016/j.apergo.2022.103921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 10/18/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
This research focused on investigating the effectiveness of Transcutaneous Vagal Nerve Stimulation (tVNS) as compared to Galvanic Cutaneous Stimulation (GCS) at mitigating Simulator Adaptation Syndrome (SAS). Fifty drivers (mean age = 23.04 ± 17.71 years old, twenty-two men) participated in a driving simulation experiment. The total scores of the Simulator Sickness Questionnaire, head movements (body balance index), and driving performance variables were measured under five stimulation conditions: i) baseline (no stimulation delivered), ii) sham GCS, iii) sham tVNS, iv) active GCS, and v) active tNVS. The results showed that tVNS alleviated SAS and improved driving performance variables more effectively than GCS. We conclude that GCS and tVNS have similar neurological mechanisms to reduce SAS, providing possible explanations for the greater effectiveness of tVNS. We encourage the use of tVNS to decrease SAS.
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Affiliation(s)
- Tomás Espinoza-Palavicino
- -Departamento de Psicología, Universidad de La Frontera, Avenida Francisco Salazar 01145, 4780000, Temuco, Chile
| | - Patricio Mena-Chamorro
- -Departamento de Psicología, Universidad de La Frontera, Avenida Francisco Salazar 01145, 4780000, Temuco, Chile
| | - Javier Albayay
- -Center for Mind/Brain Sciences, University of Trento, Corso Bettini 31, 38068, Rovereto (TN), Italy
| | - Arlette Doussoulin
- -Departmento de Rehabilitación. Facultad de Medicina. Universidad de La Frontera, Avenida Francisco Salazar 01145, 4780000, Temuco, Chile
| | - Germán Gálvez-García
- -Departamento de Psicología, Universidad de La Frontera, Avenida Francisco Salazar 01145, 4780000, Temuco, Chile; - Departamento de Psicología Básica, Psicobiología y Metodología de las Ciencias del Comportamiento. Facultad de Psicología. Universidad de Salamanca. Campus Ciudad Jardín, 37005, Salamanca, Spain.
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Meredith Weiss S, Marshall PJ. Anticipation across modalities in children and adults: Relating anticipatory alpha rhythm lateralization, reaction time, and executive function. Dev Sci 2023; 26:e13277. [PMID: 35616474 PMCID: PMC10078525 DOI: 10.1111/desc.13277] [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: 10/09/2020] [Revised: 02/14/2022] [Accepted: 04/22/2022] [Indexed: 12/15/2022]
Abstract
The development of the ability to anticipate-as manifested by preparatory actions and neural activation related to the expectation of an upcoming stimulus-may play a key role in the ontogeny of cognitive skills more broadly. This preregistered study examined anticipatory brain potentials and behavioral responses (reaction time; RT) to anticipated target stimuli in relation to individual differences in the ability to use goals to direct action (as indexed by measures of executive function; EF). A cross-sectional investigation was conducted in 40 adults (aged 18-25 years) and 40 children (aged 6-8 years) to examine the association of changes in the amplitude of modality-specific alpha-range rhythms in the electroencephalogram (EEG) during anticipation of lateralized visual, tactile, or auditory stimuli with inter- and intraindividual variation in RT and EF. Children and adults exhibited contralateral anticipatory reductions in the mu rhythm and the visual alpha rhythm for tactile and visual anticipation, respectively, indicating modality and spatially specific attention allocation. Variability in within-subject anticipatory alpha lateralization (the difference between contralateral and ipsilateral alpha power) was related to single-trial RT. This relation was more prominent in adults than in children, and was not apparent for auditory stimuli. Multilevel models indicated that interindividual differences in anticipatory mu rhythm lateralization contributed to the significant association with variability in EF, but this was not the case for visual or auditory alpha rhythms. Exploratory microstate analyses were undertaken to cluster global field power (GFP) into a distribution-free temporal analysis examining developmental differences across samples and in relation to RT and EF. Anticipation is suggested as a developmental bridge construct connecting neuroscience, behavior, and cognition, with anticipatory EEG oscillations being discussed as quantifiable and potentially malleable indicators of stimulus prediction.
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Affiliation(s)
- Staci Meredith Weiss
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA.,Department of Psychology, University of Cambridge, Cambridge, UK
| | - Peter J Marshall
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
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Díaz-Pereira MP, López-Araujo Y, Lorenzo-Martínez M. Examining Variations Between Everyday Life Handedness and Lateral Preferences for Sport-Specific Skills in Children. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2022:1-6. [PMID: 35353029 DOI: 10.1080/02701367.2021.1994121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 10/12/2021] [Indexed: 06/14/2023]
Abstract
Purpose: This study aimed to analyze both sport-specific lateral preferences and handedness for everyday life tasks among school-aged children. Method: A total of 533 children (254 males and 279 females) aged 6 to 15 years old were assessed. Children's handedness was determined according to the laterality score from Edinburgh Handedness Inventory (EHI), while lateral preferences were assessed for 16 different sport-specific tasks. Results: The percentage of children with a left hand preference was lower for unilateral (10.5-14.3%) than for bilateral (19.5-31.7%) tasks. An increased prevalence of left-sided preference was also obtained for foot tasks (13.3-26.8%) and rotation along the vertical axis (28.5%). Similarly, hand preference for unilateral sport-specific tasks and EHI scores were largely correlated (r = 0.551-0.630), while these correlations were lower for bilateral hand tasks (r = 0.148-0.418), foot tasks (r = 0.201-0.386) and rotation preference (r = 0.129). Moreover, left-handed children evidenced less lateralized behavior for sport-specific tasks than right-handed children. Conclusions: The current study has shown that sport-specific lateral preferences and their correlations with handedness vary considerably depending on the task and individual characteristics in developmental ages. These findings emphasize the relevance of task-specific assessments of lateral preferences when looking at sports skills during childhood.
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Sitges C, Terrasa JL, García-Dopico N, Segur-Ferrer J, Velasco-Roldán O, Crespí-Palmer J, González-Roldán AM, Montoya P. An Educational and Exercise Mobile Phone–Based Intervention to Elicit Electrophysiological Changes and to Improve Psychological Functioning in Adults With Nonspecific Chronic Low Back Pain (BackFit App): Nonrandomized Clinical Trial. JMIR Mhealth Uhealth 2022; 10:e29171. [PMID: 35289758 PMCID: PMC8965676 DOI: 10.2196/29171] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/28/2021] [Accepted: 01/07/2022] [Indexed: 11/13/2022] Open
Abstract
Background
Concomitant psychological and cognitive impairments modulate nociceptive processing and contribute to chronic low back pain (CLBP) maintenance, poorly correlated with radiological findings. Clinical practice guidelines recommend self-management and multidisciplinary educational and exercise-based interventions. However, these recommendations are based on self-reported measurements, which lack evidence of related electrophysiological changes. Furthermore, current mobile health (mHealth) tools for self-management are of low quality and scarce evidence. Thus, it is necessary to increase knowledge on mHealth and electrophysiological changes elicited by current evidence-based interventions.
Objective
The aim of this study is to investigate changes elicited by a self-managed educational and exercise-based 4-week mHealth intervention (BackFit app) in electroencephalographic and electrocardiographic activity, pressure pain thresholds (PPTs), pain, disability, and psychological and cognitive functioning in CLBP versus the same intervention in a face-to-face modality.
Methods
A 2-arm parallel nonrandomized clinical trial was conducted at the University of the Balearic Islands (Palma, Spain). A total of 50 patients with nonspecific CLBP were assigned to a self-managed group (23/50, 46%; mean age 45.00, SD 9.13 years; 10/23, 43% men) or a face-to-face group (27/50, 54%; mean age 48.63, SD 7.54 years; 7/27, 26% men). The primary outcomes were electroencephalographic activity (at rest and during a modified version of the Eriksen flanker task) and heart rate variability (at rest), PPTs, and pressure pain intensity ratings. The secondary outcomes were pain, disability, psychological functioning (mood, anxiety, kinesiophobia, pain catastrophizing, and fear-avoidance beliefs), and cognitive performance (percentage of hits and reaction times).
Results
After the intervention, frequency analysis of electroencephalographic resting-state data showed increased beta-2 (16-23 Hz; 0.0020 vs 0.0024; P=.02) and beta-3 (23-30 Hz; 0.0013 vs 0.0018; P=.03) activity. In addition, source analyses revealed higher power density of beta (16-30 Hz) at the anterior cingulate cortex and alpha (8-12 Hz) at the postcentral gyrus and lower power density of delta (2-4 Hz) at the cuneus and precuneus. Both groups also improved depression (7.74 vs 5.15; P=.01), kinesiophobia (22.91 vs 20.87; P=.002), activity avoidance (14.49 vs 12.86; P<.001), helplessness (6.38 vs 4.74; P=.02), fear-avoidance beliefs (35 vs 29.11; P=.03), and avoidance of physical activity (12.07 vs 9.28; P=.01) scores, but there was an increase in the disability score (6.08 vs 7.5; P=.01). No significant differences between the groups or sessions were found in heart rate variability resting-state data, electroencephalographic data from the Eriksen flanker task, PPTs, subjective ratings, or cognitive performance.
Conclusions
Both intervention modalities increased mainly beta activity at rest and improved psychological functioning. Given the limitations of our study, conclusions must be drawn carefully and further research will be needed. Nevertheless, to the best of our knowledge, this is the first study reporting electroencephalographic changes in patients with CLBP after an mHealth intervention.
Trial Registration
ClinicalTrials.gov NCT04576611; https://clinicaltrials.gov/ct2/show/NCT04576611
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Affiliation(s)
- Carolina Sitges
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
| | - Juan L Terrasa
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
| | - Nuria García-Dopico
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Nursing and Physiotherapy, University of the Balearic Islands (UIB), Palma, Spain
| | - Joan Segur-Ferrer
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), University of the Balearic Islands (UIB), Palma, Spain
| | - Olga Velasco-Roldán
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Nursing and Physiotherapy, University of the Balearic Islands (UIB), Palma, Spain
| | - Jaume Crespí-Palmer
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), University of the Balearic Islands (UIB), Palma, Spain
| | - Ana María González-Roldán
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
| | - Pedro Montoya
- Research Institute of Health Sciences (IUNICS) and Balearic Islands Health Research Institute (IdISBa), Department of Psychology, University of the Balearic Islands (UIB), Palma, Spain
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12
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Yeung AWK, Wong NSM. The non-transparent usage and reporting of the Edinburgh Handedness Inventory in functional magnetic resonance imaging literature: a survey of studies published since 2013. Laterality 2021; 27:221-231. [PMID: 34583612 DOI: 10.1080/1357650x.2021.1984497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Subject handedness is an important parameter to be evaluated and accounted for in neuroscience studies dealing with laterality. The aim of this study was to survey for the details of how researchers administered the Edinburgh handedness inventory (EHI) to assess subject handedness. Web of Science and PubMed databases was searched on 3 August 2021 to identify functional magnetic resonance imaging (fMRI) articles published since 2013 using the EHI or citing Oldfield, the original paper that introduced the EHI. Articles not actually using the EHI and/or its variants were excluded. Two reviewers performed the screening independently and disagreements were solved by mutual consensus. Most of the 406 studies using the EHI did not report details regarding the number of items (94.1%), identity of items (96.1%), response format (97.0%), and cutoff score for right-handedness (87.2%). Items were found dropped or replaced, with response format and cutoff score changed without citing references that justified the modifications. A clearer reporting of the details of the EHI as an assessment tool for determining subject handedness should be encouraged.
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Affiliation(s)
- Andy Wai Kan Yeung
- Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Natalie Sui Miu Wong
- Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong, People's Republic of China
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13
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Gálvez-García G, Albayay J, Fonseca F, Bascour-Sandoval C. Joint and individual effectiveness of galvanic cutaneous stimulation and tactile stimulation at decreasing Simulator Adaptation Syndrome. PLoS One 2020; 15:e0240627. [PMID: 33057365 PMCID: PMC7561193 DOI: 10.1371/journal.pone.0240627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 09/29/2020] [Indexed: 11/20/2022] Open
Abstract
This research was focused on investigating the effectiveness of galvanic cutaneous stimulation and tactile stimulation jointly and individually at mitigating Simulator Adaptation Syndrome. Forty drivers (mean age = 23.1 ± 3.4 years old, twenty women) participated in a driving simulation experiment. Total scores of the Simulator Sickness Questionnaire, head movements (an index of body balance), and driving performance variables were compared across four different stimulation conditions: i) baseline (where no stimulation was presented), ii) galvanic cutaneous stimulation and iii) tactile stimulation deployed individually, and iv) both techniques deployed jointly. The results showed that both techniques presented in conjunction alleviate Simulator Adaptation Syndrome and improve driving performance more effectively than when they are presented in isolation. Importantly, reduced head movements were only revealed when galvanic cutaneous stimulation was applied. We concluded that the reduction of this syndrome is due to an improvement of body balance (elicited by galvanic cutaneous stimulation), and a distraction from the symptoms (elicited by tactile stimulation). We encourage the use of both techniques simultaneously to decrease Simulator Adaptation Syndrome.
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Affiliation(s)
- Germán Gálvez-García
- Departamento de Psicología, Universidad de La Frontera, Temuco, Chile
- Département de Psychologie Cognitive & Neuropsychologie, Institut de Psychologie, Laboratoire d’Étude des Mécanismes Cognitifs, Université Lyon 2, Bron, France
- * E-mail:
| | - Javier Albayay
- Dipartimento di Psicologia Generale, Università degli Studi di Padova, Padova, Italy
| | - Fernando Fonseca
- Departamento de Psicología, Universidad de La Frontera, Temuco, Chile
| | - Claudio Bascour-Sandoval
- Carrera de Kinesiología, Facultad de las Ciencias de la Salud, Universidad Autónoma de Chile, Temuco, Chile
- Departamento de Medicina Interna, Universidad de La Frontera, Temuco, Chile
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14
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Prados-Román E, Cabrera-Martos I, López-López L, Rodríguez-Torres J, Torres-Sánchez I, Ortiz-Rubio A, Valenza MC. Deficits underlying handgrip performance in mildly affected chronic stroke persons. Top Stroke Rehabil 2020; 28:190-197. [PMID: 32758034 DOI: 10.1080/10749357.2020.1803574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Knowledge of the deficits underlying handgrip performance is fundamental for the development of targeted interventions. OBJECTIVES The purpose of this study was to evaluate maximal handgrip strength, fatigue resistance, grip work, and muscle fatigue in mildly affected stroke persons. METHODS We conducted a prospective observational study. A total of 20 individuals after a first unilateral ischemic/hemorrhagic chronic stroke (months poststroke: mean 33.64 ± 19.60), mildly affected according to functional score (FIM: 112.71 ± 16.14) and with arm motor impairment (upper-extremity Fugl-Meyer score: mean 57.07 ± 7.82 on the contralesional side); and 20 sex and age-matched controls were included. The outcomes assessed were maximal handgrip strength evaluated through maximal voluntary contraction, fatigue resistance defined as the seconds during which grip strength dropped to 50% of its maximum and gripwork, which was calculated using the equation grip work = maximal grip strength * 0.75 * fatigue resistance. Muscle fatigue was assessed using surface electromyography during a sustained contraction over 50% of maximal voluntary contraction. RESULTS Persons with stroke demonstrated significantly reduced handgrip performance regarding maximal handgrip strength, resistance to fatigue, grip work, and muscle fatigue for the contralesional hand. In addition, a reduced grip resistance and muscle fatigue was shown for the ipsilesional hand compared with controls. We found no effect of the hemispheric side of the lesion on the grip performance measures assessed. CONCLUSIONS Our findings provide evidence that handgrip performance remain impaired after 6 months after stroke, and may serve as a target for interventions to improve these abilities after stroke.
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Affiliation(s)
- Esther Prados-Román
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Irene Cabrera-Martos
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Laura López-López
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Janet Rodríguez-Torres
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Irene Torres-Sánchez
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Araceli Ortiz-Rubio
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Marie Carmen Valenza
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Granada, Spain
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