Effects of Tool Handling on Language Processing
15 lipca 2026 zaktualizowane przez: Aline de Souza Pagnussat, Federal University of Health Science of Porto Alegre
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.
Przegląd badań
Status
Jeszcze nie rekrutacja
Warunki
Typ studiów
Interwencyjne
Zapisy (Szacowany)
60
Faza
- Nie dotyczy
Kontakty i lokalizacje
Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.
Kontakt w sprawie studiów
- Nazwa: Aline Pagnussat, PhD
- Numer telefonu: +55 51 3303-8912
- E-mail: alinesp@ufcspa.edu.br
Lokalizacje studiów
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Rio Grande do Sul
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Porto Alegre, Rio Grande do Sul, Brazylia, 90050170
- UFCSPA
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Kontakt:
- Thainara Cruz da Rosa, MsC
- Numer telefonu: +55 51 991591680
- E-mail: thainaracruzr@gmail.com
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Kryteria uczestnictwa
Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.
Kryteria kwalifikacji
Wiek uprawniający do nauki
- Dorosły
Akceptuje zdrowych ochotników
Tak
Opis
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 studiów
Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Podwójnie
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
|---|---|
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Aktywny komparator: Kontrola
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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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Eksperymentalny: 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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Aktywny komparator: 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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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
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Assessment of Synthatic Processing Performance - Reaction time
Ramy czasowe: 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
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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)
|
Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
|
N200 Event-Related Potential Mean Amplitude
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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.
|
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
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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.
|
Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
|
P300 Event-Related Potential Peak latency
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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.
|
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
Ramy czasowe: 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
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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
Ramy czasowe: 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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Inne miary wyników
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
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Assessment of Sleep Quality
Ramy czasowe: Change from PRE assessment (up to 1 week before intervention) to POST assessment (up to 1 week after intervention completion)
|
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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Współpracownicy i badacze
Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.
Daty zapisu na studia
Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.
Główne daty studiów
Rozpoczęcie studiów (Szacowany)
31 lipca 2026
Zakończenie podstawowe (Szacowany)
31 grudnia 2026
Ukończenie studiów (Szacowany)
31 marca 2027
Daty rejestracji na studia
Pierwszy przesłany
11 czerwca 2026
Pierwszy przesłany, który spełnia kryteria kontroli jakości
15 lipca 2026
Pierwszy wysłany (Rzeczywisty)
22 lipca 2026
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
22 lipca 2026
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
15 lipca 2026
Ostatnia weryfikacja
1 czerwca 2026
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- TOOLANG
Plan dla danych uczestnika indywidualnego (IPD)
Planujesz udostępniać dane poszczególnych uczestników (IPD)?
NIE
Opis planu IPD
No plan to share individual participant data (IPD).
Data will not be shared due to ethical and confidentiality considerations related to participant privacy and the terms of informed consent.
Informacje o lekach i urządzeniach, dokumenty badawcze
Bada produkt leczniczy regulowany przez amerykańską FDA
Nie
Bada produkt urządzenia regulowany przez amerykańską FDA
Nie
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