Pilot Study of the Feasibility and Efficacy of Working Memory Training in Children With Cochlear Implants

2014-07-23 21:20:09 | BioPortfolio


This study is an investigation of the effect of a computer-based working memory training program on memory and language processing in at-risk children (e.g., those with working memory weaknesses) who have received cochlear implants.


The long-term goal of this research program is to improve speech-language outcomes in prelingually deaf children who receive CIs. The objective of this proposal is to investigate the short-term effects of a novel working memory training program on memory, learning, and speech-language outcomes in children with CIs. The specific hypothesis of this project is that completion of a behaviorally-based training program designed to increase working memory capacity will improve attention, working memory span, and working memory-related speech-language processing in a group of deaf children with CIs. This hypothesis is based on past research demonstrating the efficacy of working memory training programs in improving attention and working memory in children with attention deficits, as well as on past research showing an association between working memory and speech-language outcomes in children with CIs. Knowledge about the effects of working memory training on CI speech-language outcomes will provide a better understanding of the process by which children with CIs learn speech-language following implantation and may offer an entirely new avenue of intervention to improve speech-language outcomes, particularly in deaf children who show limited improvement following implantation.

The specific aims of this study are:

1. Specific Aim 1: Determine the feasibility and application of a novel, computer-based working memory training program when applied to children with CIs. We hypothesize that children with CIs will show a progression of learning in both auditory and visual working memory during the training program that will mirror that of normal-hearing children.

2. Specific Aim 2: Determine the effect of the working memory training program on core attention, concentration, and working memory processes of children with CIs. We hypothesize that children with CIs will show improvement on both laboratory-based and parent-report measures of attention, concentration, and working memory processes after working memory training, compared to a baseline period.

3. Specific Aim 3: Determine the effect of the working memory training program on working memory-related speech-language outcome measures in children with CIs. We hypothesize that children with CIs will show improvement on auditory working memory, verbal naming fluency, and word repetition after training.

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Bilateral Hearing Loss


Cogmed Working Memory Training Program


Riley Hospital for Children
United States


Enrolling by invitation


Indiana University

Results (where available)

View Results


Published on BioPortfolio: 2014-07-23T21:20:09-0400

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Medical and Biotech [MESH] Definitions

Hearing loss due to disease of the AUDITORY PATHWAYS (in the CENTRAL NERVOUS SYSTEM) which originate in the COCHLEAR NUCLEI of the PONS and then ascend bilaterally to the MIDBRAIN, the THALAMUS, and then the AUDITORY CORTEX in the TEMPORAL LOBE. Bilateral lesions of the auditory pathways are usually required to cause central hearing loss. Cortical deafness refers to loss of hearing due to bilateral auditory cortex lesions. Unilateral BRAIN STEM lesions involving the cochlear nuclei may result in unilateral hearing loss.

Partial hearing loss in both ears.

Gradual bilateral hearing loss associated with aging that is due to progressive degeneration of cochlear structures and central auditory pathways. Hearing loss usually begins with the high frequencies then progresses to sounds of middle and low frequencies.

Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz.

Hearing loss due to damage or impairment of both the conductive elements (HEARING LOSS, CONDUCTIVE) and the sensorineural elements (HEARING LOSS, SENSORINEURAL) of the ear.

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