- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT02361762
Gaming for Autism to Mold Executive Skills Project (GAMES)
Electrophysiological Response to Executive Control Training
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Massachusetts
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Boston, Massachusetts, États-Unis, 02115
- Boston Children's Hospital: Labs of Cognitive Neuroscience- Faja Lab
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Children should be 7 to 11 years of age
- Children must have a parent/guardian who is available and willing to provide informed consent and to respond to screening phone calls
- Children should have an existing diagnosis of an autism spectrum disorder, which will be confirmed using research measures and criteria
- Children must have general cognitive ability in the average range or above (above 80 using the Wechsler Abbreviated Scale of Intelligence-2 Full Scale IQ)
- Caregivers and children must be fluent in English
Exclusion Criteria:
- Children must not have a seizure disorder or be taking medication that alters EEG processes (e.g. anti-seizure medications)
- Children must not have medical disorders or injuries affecting the brain or spinal cord
- Children may not have experienced significant prenatal exposure to substances such as tobacco, alcohol or street drugs
- Children may not have significant sensory or motor impairment that would limit the ability to participate in table top or EEG testing, or make responding during computer activities difficult
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Seul
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
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Expérimental: Training
Computerized executive control training
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Children will play computerized training games designed to improve executive control skills. Each training activity is structured to achieve a particular type of training related to executive control and/or attention shifting. Sessions last for 1 hour each and the intensity of intervention ranges from 5-10 hours. Children will receive training until all levels of all tasks have been passed or 10 hours, whichever happens first. All training exercises have a number of levels, and children progress to the next level by meeting specific criteria for accuracy and/or speed. A trainer will be present during all sessions to help children comply with the training demands and to teach skills involved in completing challenging tasks. |
Aucune intervention: Waitlist
The waitlist group will not initially receive the training program.
At the end of the study, the waitlist group will be offered training if it is efficacious.
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
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Change Task - Stop Signal Reaction Time
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Conflict Processing-Behavior (Post-testing controlling for Baseline) Children indicate the location of a picture by pressing the left and right arrow buttons for 75% of the trials (i.e., the dominant task). For the remaining 25% of trials, a stop signal appears and a Change response (i.e., space bar) was required. Stop signals occurred equally at 50, 200, 350, and 500 ms before the anticipated response based on the child's reaction time. The SSRT estimates the latency of inhibitory responding to the stop signal. Lower scores indicate more rapid inhibition. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Stroop Task (Difference in Percentage of Correct Responses for Congruent Minus Incongruent Trials)
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Conflict Processing-Behavior (Post-testing controlling for Baseline) Trials were presented in three conditions: (1) congruent trials (25%); (2) incongruent trials (25%); and (3) neutral trials (50%).
The difference between percent correct for congruent and incongruent conditions was the dependent variable, such that larger differences indicated more difficulty with conflicting information.
Lower scores at Post-testing indicate improved ability to suppress interfering/conflicting information.
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Event-related Potentials Assessed During Child Attention Network Flanker Task
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Conflict Processing-Event Related Potential (ERP) Brain Response (N2 mean amplitude) Data were compared for congruent and incongruent conditions at each time point (baseline and post testing). Each trial of the task began with a beep for 150ms paired with a fixation cross for 450ms at the center of the screen. Then, a target and flankers were presented for 2000ms. Congruent trials (50%) consisted of a central target animal flanked by two animals on each side with the same orientation and size as the target. Incongruent trials (50%) were identical except that the target and flankers faced opposite directions. Children pressed a button indicating the direction the target animal faced (50% left, 50% right) and received visual and auditory feedback upon responding. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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BRIEF Parent Survey (Global Executive Composite)
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Executive Control at home/school-Generalization (Post-testing controlling for Baseline) Global Executive Composite (GEC) scores are available for parents. The GEC is comprised of two sub-scales: Metacognition and Behavioral Regulation. T-scores are reported for the GEC (range = 30-100). Higher scores reflect more difficulty with executive function. At Post, lower scores represent a better outcome. Note: Teacher BRIEF was originally planned as an outcome measure, but due to low teacher response (10 teachers provided data for each group at both time points) the results were not analyzed. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Backward Digit Span (Scaled Score)
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Working Memory Behavior (Post-testing controlling for Baseline) A control task - not specifically targeted by intervention. Scaled score for Backward Digit Span (higher scores represent better memory). Scaled scores are reported (range = 1-19). Higher scores reflect better working memory (an aspect of executive function). At Post, higher scores represent a better outcome. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Social Attribution Task (SAT) - Problem Solving Scale
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Theory of Mind Behavior (Post-testing controlling for Baseline) A measure of generalization.
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Theory of Mind Composite: Perception Knowledge, Location Change False Belief, Unexpected-contents False Belief
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Theory of Mind (TOM) Behavior (Post-testing controlling for Baseline) A measure of generalization Composite score by computing the percent correct (range = 0-100% correct) across three video tasks measuring cognitive aspects of theory of mind (i.e., the Perception Knowledge Task, Location Change False Belief Task, and Unexpected-contents False Belief Task).
Higher scores represent better performance (i.e., more correct responses).
Higher scores at post testing represent better outcomes.
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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TOM Test (Theory of Mind Test)
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Theory of Mind Behavior (Post-testing controlling for Baseline).
A measure of generalization.
Overall percent correct across the three sub-scales (i.e., percent correct calculated across all items of Level 1-Precursors, Level 2-First Order False Belief, and Level 3-Advanced) is reported.
The percent correct ranges from 0-100% correct.
Higher scores represent better theory of mind (affective and first/second order false belief).
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Social Skills Improvement System-Parent (SSIS) - Social Standard Score
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Social function home (Post-testing controlling for Baseline). A measure of generalization. Scores were available from parents. The SSIS Social Scale organizes prosocial behaviors into seven areas or subscales: Communication, Cooperation, Assertion, Responsibility, Empathy, Engagement, and Self-Control. Scores range from 40-160. Higher scores reflect more prosocial skills (i.e., better social ability). At Post, higher scores represent a better outcome. Note: Teacher SSIS was originally planned as an outcome measure, but due to low teacher response the results were not analyzed. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Narrative Language Task
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Social Communication Ability Behavior (Post-testing controlling for Baseline).
A measure of generalization.
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Performance on Hungry Donkey Task Assessed as Ratio of Safe to Risky Selections
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Conflict Processing (Reward) Behavior (Post-testing controlling for Baseline).
Children selected from four doors with varying reward and loss ratios.
Two doors have lower rewards but an overall net gain (safe) and two doors have higher rewards but an overall net loss (risky).
Scores represent the ratio of safe to risky selections in the final two blocks (of five total blocks administered).
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Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Event-related Potentials Assessed During Cued Go/Nogo Task
Délai: Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Conflict Processing-ERP Brain Response (N2 mean amplitude) Data were compared for Go and Nogo conditions at each time point (baseline and post testing). The task included 200 test trials. During 'go' trials (70% of trials), children were instructed to press a single button on a keypad each time a letter appeared on the screen. During 'nogo' trials (30% of trials), children were instructed to withhold their response when a specific letter appeared on the screen. To account for the confound of frequency with condition, two letters were used for go trials - an infrequent go (30% of trials) and a frequent go (40% of trials). Go responses were analyzed only for the infrequent go trials. Each trial was preceded by a fixation cross presented on the screen for 500 ms. Test trials were then presented for 700 ms. Only ERPs for correct trials that followed a correct 'go' response were analyzed in order to ensure consistent motor response on the previous trial. |
Baseline (Pre Training/Waitlist Phase) and at 11-12 Weeks (Post Training/Waitlist Phase)
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Collaborateurs et enquêteurs
Parrainer
Collaborateurs
Les enquêteurs
- Chercheur principal: Susan Faja, Ph.D., Boston Children's Hospital
Publications et liens utiles
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- P00014188
- R00HD071966 (Subvention/contrat des NIH des États-Unis)
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