Effects of Tool Handling on Language Processing
Analysis of the Effect of a Tool-Handling Intervention in a Specific Context on the Linguistic Processing of Healthy Young Adults
This randomized controlled trial aims to investigate the effects of a context-specific tool-handling intervention on linguistic processing in healthy young adults. Participants will be allocated into three groups: a dexterous tool-use training group, a dexterous manual training group without tools, and a Control group.
The dexterous tool-use training group will perform a task-oriented activity involving the use of tweezers to place colored beads into a mandala within a specific functional context. The intervention requires sequential motor planning, force control, precision, and goal-directed tool use. The dexterous manual training group without tools will perform a similar bead-placement activity without tool use, involving direct hand manipulation and lower task complexity. Both intervention groups will participate in synchronous online sessions via Google Meet for 20 minutes per day, five times per week, over a two-week period.
The Control group will not receive any structured intervention and will instead be instructed to perform one activity of daily living using the non-dominant upper limb once per day during the two-week period.
Linguistic processing will be assessed through a sentence judgment task involving sentences with and without semantic violations, in which participants will classify the sentences as correct or incorrect while electroencephalographic activity (EEG) is recorded. Additionally, sleep quality and manual dexterity will also be evaluated.
The findings of this study may contribute to understanding the relationship between tool-related motor training and linguistic processing, particularly the interaction between motor and language systems in healthy young adults. Additionally, the study may provide evidence regarding neurophysiological changes associated with context-specific motor interventions.
Aperçu de l'étude
Statut
Statut
Les conditions
Les conditions
Intervention / Traitement
Intervention / Traitement
Type d'étude
Type d'étude
Inscription (Estimé)
Inscription
Phase
Phase
- N'est pas applicable
Contacts et emplacements
Coordonnées de l'étude
Coordonnées de l'étude
- Nom: Aline Pagnussat, PhD
- Numéro de téléphone: +55 51 3303-8912
- E-mail: alinesp@ufcspa.edu.br
Lieux d'étude
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Rio Grande do Sul
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Porto Alegre, Rio Grande do Sul, Brésil, 90050170
- UFCSPA
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Contact:
- Thainara Cruz da Rosa, MsC
- Numéro de téléphone: +55 51 991591680
- E-mail: thainaracruzr@gmail.com
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Critères de participation
Critère d'éligibilité
Critère d'éligibilité
Âges éligibles pour étudier
- Adulte
Accepte les volontaires sains
La description
Inclusion Criteria:
- Healthy young adults aged between 19 and 24 years;
- Right-handed individuals.
Exclusion Criteria:
- Previous diagnosis of neurological and/or psychiatric disorders;
- History of traumatic brain injury;
- Use of psychoactive substances or medications that may affect cognitive functioning;
- Pregnancy or suspected pregnancy.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Double
Nombre de bras
Armes et Interventions
Groupe de participants / BrasGroupe de participants / Bras |
Intervention / TraitementIntervention / Traitement |
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Comparateur actif: Contrôler
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Participants allocated to the control group will not receive structured training.
They will be instructed to perform one activity of daily living using the non-dominant upper limb once per day during the two-week study period.
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Expérimental: Dexterous tool-use training
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The intervention will be supervised by a researcher through assynchronous way.
Participants will perform a task-oriented activity involving the use of tweezers to place colored beads into a mandala within a functional and goal-directed context.
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Comparateur actif: Dexterous manual training group without tools
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The intervention will be supervised by a researcher through assynchronous way.
Participants will perform a bead-placement activity directly with their hands, without the use of tools.
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Que mesure l'étude ?
Principaux critères de jugement
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
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Assessment of Synthatic Processing Performance - Reaction time
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Linguistic processing will be evaluated through a computerized sentence judgment task composed of 60 sentences containing grammatical agreement violations and control sentences.
Reaction time will be measured as the time elapsed between the presentation of each sentence and the participant's button press indicating whether the sentence is grammatically correct or incorrect.
Mean reaction time across trials will be reported in milliseconds (ms).
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Assessment of Synthatic Processing Performance - Accuracy
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Linguistic processing will be evaluated through a computerized sentence judgment task composed of 60 sentences containing grammatical agreement violations and control sentences.
Accuracy will be assessed as the absolute number of correct responses.
The absolute number of incorrect responses (errors) will also be recorded.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Mesures de résultats secondaires
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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N200 Event-Related Potential Mean Amplitude
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Event-related potentials (ERPs) will be recorded using electroencephalography (EEG) during a computerized linguistic judgment task involving sentences with and without gender and number agreement violations.
The mean amplitude of the N200 component will be measured within the predefined time window and electrodes of interest.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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P300 Event-Related Potential Mean Amplitude
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Event-related potentials (ERPs) will be recorded using electroencephalography (EEG) during a computerized linguistic judgment task involving sentences with and without gender and number agreement violations.
The mean amplitude of the P300 component will be measured within the predefined time window and electrodes of interest.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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N200 Event-Related Potential Peak Latency
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Event-related potentials (ERPs) will be recorded using electroencephalography (EEG) during a computerized linguistic judgment task involving sentences with and without gender and number agreement violations.
The peak latency of the N200 component will be measured within the predefined time window and electrodes of interest.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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P300 Event-Related Potential Peak latency
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Event-related potentials (ERPs) will be recorded using electroencephalography (EEG) during a computerized linguistic judgment task involving sentences with and without gender and number agreement violations.
The peaky latency of the P300 component will be measured within the predefined time window and electrodes of interest.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Assessment of Syntactic Production - Hierarchical Embedding in Spontaneous Discourse
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Syntactic production will be assessed through a spontaneous discourse task using the "Picnic Scene" from the Western Aphasia Battery (WAB).
Speech samples will be audio-recorded, transcribed, and analyzed using the NILC-Metrix platform.
Hierarchical embedding will be quantified as an index of syntactic complexity.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Assessment of Syntactic Production - Clauses per Sentence in Spontaneous Discourse
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Syntactic production will be assessed through a spontaneous discourse task using the "Picnic Scene" from the Western Aphasia Battery (WAB).
Speech samples will be audio-recorded, transcribed, and analyzed using the NILC-Metrix platform.
Clauses per sentence will be calculated as a measure of syntactic complexity.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Assessment of Syntactic Production - Left-Branching Load (Frazier Index) in Spontaneous Discourse
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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SSyntactic production will be assessed through a spontaneous discourse task using the "Picnic Scene" from the Western Aphasia Battery (WAB).
Speech samples will be audio-recorded, transcribed, and analyzed using the NILC-Metrix platform.
Left-branching load will be quantified using the Frazier Index.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Manual dexterity
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Manual dexterity, visuomotor coordination, and executive functioning will be assessed using the Grooved Pegboard Test (GPT).
Participants will insert grooved pegs into a board as quickly as possible using both dominant and non-dominant hands.
Completion time (in seconds) will be recorded for each hand.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Autres mesures de résultats
Autres mesures de résultats
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Assessment of Sleep Quality
Délai: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Sleep quality will be assessed using the Pittsburgh Sleep Quality Index (PSQI).
The questionnaire evaluates subjective sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disturbances, use of sleep medication, and daytime dysfunction.
Total scores range from 0 to 21, with scores above 5 indicating poor sleep quality.
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Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
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Collaborateurs et enquêteurs
Parrainer
Parrainer
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Estimé)
Début de l'étude
Achèvement primaire (Estimé)
Achèvement primaire
Achèvement de l'étude (Estimé)
Achèvement de l'étude
Dates d'inscription aux études
Première soumission
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Première publication
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour publiée
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
Autres numéros d'identification d'étude
- TOOLANG
Plan pour les données individuelles des participants (IPD)
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Description du régime IPD
Informations sur les médicaments et les dispositifs, documents d'étude
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