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- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT02294812
Effects of Cognitive Training on Speech Perception
Effects of Cognitive Training on Age-Related Hearing Loss and Speech Perception
Descripción general del estudio
Estado
Intervención / Tratamiento
Tipo de estudio
Inscripción (Actual)
Fase
- No aplica
Contactos y Ubicaciones
Ubicaciones de estudio
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Nova Scotia
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Halifax, Nova Scotia, Canadá, B3H 4R2
- NeuroCognitive Imaging Lab, Dalhousie University
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Able to come to Dalhousie University, Halifax, Nova Scotia, Canada for study visits
- Adults (50 years or older) with mild to moderate hearing loss
- Access to an internet-connected device that is able to use Flash media, basic computer skills
- Medically stable participants
- Not currently taking medication that may affect brain function (e.g., anti-anxiety medication)
- Normal or corrected-to-normal vision
Exclusion Criteria:
- Participants with neurological conditions such as epilepsy or concussions will be excluded for safety reasons
- Participants who are not native English speakers (materials used in the study are only in English)
- Participants who are unable to provide consent
- Participants with impaired cognition (assessed with the Montreal Cognitive Assessment)
- Participants with high accuracy on the Speech Perception in Noise task at the second study visit (to eliminate participants who may be performing at ceiling level)
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Tratamiento
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Único
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
---|---|
Comparador activo: Control, cognitive training
Participants in the control arm will receive cognitive training for cognitive abilities not affected by age-related hearing loss.
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Participants will engage in eight weeks of training that focuses on improving various cognitive abilities. For example, short term memory. Cognitive training will take place 30 minutes per day, five days per week, for eight weeks. Training will be done in the participant's own home using web-based software. Participants will be randomly assigned to either the active control group, the control cognitive training group, or the experimental cognitive training group following the second study visit. After eight weeks, participants will no longer partake in training. |
Experimental: Experimental, cognitive training
Participants in the experimental arm will receive cognitive training for cognitive abilities affected by age-related hearing loss.
|
Participants will engage in eight weeks of training that focuses on improving various cognitive abilities. For example, short term memory. Cognitive training will take place 30 minutes per day, five days per week, for eight weeks. Training will be done in the participant's own home using web-based software. Participants will be randomly assigned to either the active control group, the control cognitive training group, or the experimental cognitive training group following the second study visit. After eight weeks, participants will no longer partake in training. |
Comparador activo: Active Control, crossword training
Participants in this group will undergo crossword puzzle training.
The purpose of this group is control for any effects that may be due to engaging in cognitive training.
|
Participants will engage in eight weeks of training that focuses on improving various cognitive abilities. For example, short term memory. Cognitive training will take place 30 minutes per day, five days per week, for eight weeks. Training will be done in the participant's own home using web-based software. Participants will be randomly assigned to either the active control group, the control cognitive training group, or the experimental cognitive training group following the second study visit. After eight weeks, participants will no longer partake in training. |
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Speech Perception in Noise Test - Improvement in speech perception accuracy from baseline to post-training for high and low predictability sentences
Periodo de tiempo: Baseline, Weeks 2, 10, and 18
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Sentences of high predictability and low predictability are played with multi-user talker babble.
Participants must repeat the last word of each sentence as they heard it.
The primary outcome measure will be the accuracy for repeating the sentence.
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Baseline, Weeks 2, 10, and 18
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Working Memory Cognitive Training - Improvements in working memory abilities from baseline
Periodo de tiempo: Weeks 2, 10, and 18
|
Individuals are asked to participate in 20 hours of cognitive training that will focus on either improving abilities affected by hearing loss (i.e., verbal working memory), or abilities not affected by hearing loss (i.e., spatial working memory). Performance on the working memory task, Operation Span Task (OSPAN), will be assessed using the total score which is calculated as a sum based on the number of correct answers (letters accurately sequentially recalled) within a block for the duration of the task. Higher scores indicate better working memory capacity. Performance on the working memory cognitive training games will be assessed using the participant's accuracy, reaction time, and final score on the game. Improvements in working memory will be assessed by comparing participant performance on working memory tasks (OSPAN; cognitive training memory games) before receiving cognitive training, immediately after receiving cognitive training, and eight weeks post-training. |
Weeks 2, 10, and 18
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Brain Performance Test
Periodo de tiempo: Weeks 2 and 10
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The Brain Performance Test (BPT) is an assessment tool available online through the training program website.
Participants will be assessed at home on their initial performance for a variety of cognitive abilities including stop-signal tasks, grammatical reasoning, and memory spans.
After completing the eight weeks of cognitive training, participants will again be assessed at home with the BPT to determine whether there are any improvements in cognitive abilities.
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Weeks 2 and 10
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Attention Cognitive Training - Improvements in attention abilities from baseline
Periodo de tiempo: Weeks 2, 10, and 18
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Individuals are asked to participate in 20 hours of cognitive training. Cognitive training will focus on either improving abilities affected by hearing loss (i.e., attention), or abilities not affected by hearing loss (i.e., spatial working memory). Performance on the attention task, Flanker-Simon, will be assessed based on participant's accuracy and reaction time for the Flanker task, and the Simon task. Performance on the attention cognitive training games will be assessed using the participant's accuracy, reaction time, and final score on the game. Improvements in attention will be assessed by comparing the performance of participants on attention tasks (Flanker-Simon; cognitive training attention games) before receiving cognitive training, immediately after receiving cognitive training, and eight weeks post-training. |
Weeks 2, 10, and 18
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Aaron J Newman, PhD, Dalhousie University, Canada
Publicaciones y enlaces útiles
Enlaces Útiles
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- NCIL-HL-CT
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
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