The effects of auditory training on dichotic listening: a neurological case study

McCullagh, Jennifer; Palmer, Shannon B

doi:10.1080/21695717.2016.1269453

Cited by 5 publications

(3 citation statements)

References 40 publications

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“…They showed that training increased myelination in the anterior part of the corpus callosum, which was similar in the two groups. Similarly, McCullagh and Palme [14] found improvements in DDT scores after DIID training in a subject with a neurological problem. This is in agreement with the result of the present study that showed improvements in DDT after an informal DIID home-version in elderly people without neurological disorders or hearing loss.…”

Section: Discussionmentioning

confidence: 79%

“…In DDT, two pairs of digits are delivered to both ears dichotically and subjects are asked to recall them in either directed or free recall. The dichotic listening training (DLT) methods were introduced to reduce the asymmetry between two ears, the dichotic interaural intensity difference (DIID) training program is one of the DLT methods with confirmed effectiveness in different disorders such as head trauma [11], brain surgery [12], central processing disorders [13], children with dichotic problem in left ear [13], and neurologic patients [14]. The goal of DIID is to bring the performance of the weaker ear into the normal range while maintain the performance of the stronger ear.…”

Section: Introductionmentioning

confidence: 99%

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Evaluating the effectiveness of dichotic training in the elderly adults: a single subject study

Shahidipour

Farahani

Mohammadkhani

et al. 2021

AVR

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Background and Aim: Elderly people usually show poor performance in dichotic listening tasks. In this condition, the left ear being often the weaker one shows a performance below the normal limits. Studies have shown the effectiveness of dichotic listening training in auditory and language processing for adults and children with neurological disorders. This study aimed to develop a home-version of dichotic training and investigate its effectiveness in elderly adults. Methods: Participants in this single-subject interventional study (AB design) were four elderly subjects (two males and two females) aged 65−75 years. The main inclusion criteria were dichotic listening deficit demonstrated by the dichotic digit test (DDT), no neurological or cognitive disorders, and normal hearing threshold. Dichotic listening training was performed with an informal home-version of dichotic interaural intensity difference (DIID) training program for seven weeks. DDT was performed seven consecutive weeks before (phase A) and after the intervention (phase B) at the end of each week. Results: Data were analyzed by single-subject study statistics. Findings demonstrated an improvement in DDT scores for the left ear and decrease in right ear advantage scores in all the elderly adults after DIID training program. It seems that this training program could remediate poor performance in dichotic listening tasks in elderly people. Conclusion: The advantage of this method is that it can be easily done at home and is costeffective. However, further studies are needed to approve the neuroplasticity and structural changes in the brain after the DIID training program in this population. Keywords: Auditory rehabilitation; dichotic training; dichotic listening; elderly; singlesubject study

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Section: Discussionmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Evaluating the effectiveness of dichotic training in the elderly adults: a single subject study

Shahidipour

Farahani

Mohammadkhani

et al. 2021

AVR

View full text Add to dashboard Cite

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“…With that, the DL task puts high demand on the core executive function of inhibition, which is the capacity to obstruct dominant responses and to suppress the influence of interfering information (e.g., Bexkens et al, 2015). The DL task has been applied to assess impairments within attention, working memory, and executive functions (Hugdahl, 2011) and found to be beneficial for participants with auditive, verbal, or neurological impairments (Helland et al, 2018;McCullagh and Palmer, 2017;Osisanya and Adewunmi, 2018). Apart from that, little research has been done with this task, but some evidence has indicated improvements in auditory attention and attentional control after 4 weeks of DL training (Soveri et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Is Training with the N-Back Task More Effective Than with Other Tasks? N-Back vs. Dichotic Listening vs. Simple Listening

Studer-Luethi

Meier

2020

J Cogn Enhanc

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Cognitive training most commonly uses computerized tasks that stimulate simultaneous cognitive processing in two modalities, such as a dual n-back task with visual and auditive stimuli, or on two receptive channels, such as a listening task with dichotically presented stimuli. The present study was designed to compare a dual n-back task and a dichotic listening (DL) task with an active control condition (a simple listening task) and a no-training control condition for their impact on cognitive performance, daily life memory, and mindfulness. One hundred thirty healthy adults aged 18–55 years were randomly assigned to one of the four conditions. The training consisted of twenty 15-min sessions spread across 4 weeks. The results indicated some improvement on episodic memory tasks and a trend for enhanced performance in an untrained working memory (WM) span task following cognitive training relative to the no-training control group. However, the only differential training effects were found for the DL training in increasing choice reaction performance and a trend for self-reported mindfulness. Transfer to measures of fluid intelligence and memory in daily life did not emerge. Additionally, we found links between self-efficacy and n-back training performance and between emotion regulation and training motivation. Our results contribute to the field of WM training by demonstrating that our listening tasks are comparable in effect to a dual n-back task in slightly improving memory. The possibility of improving attentional control and mindfulness through dichotic listening training is promising and deserves further consideration.

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Behavioral and Hemodynamic Changes Following Dichotic Training in Patients with Neurological Deficits of the Auditory Nervous System: A Case Series

et al. 2021

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Background Dichotic listening occurs when one attends to different acoustical messages presented simultaneously to both ears. This is important for understanding speech in compromised listening situations, such as background noise. Deficits in dichotic listening can be remediated by participating in auditory training. We present two patients with binaural integration deficits who underwent dichotic interaural intensity difference (DIID) training. Purpose The purpose of this investigation is to demonstrate improvement of dichotic listening deficits following DIID training in neurological patients seen clinically for hearing issues. Research Design This was a case series utilizing a pre- and posttreatment design. Study Sample This case series utilized two female participants who demonstrated binaural integration deficits during an auditory processing evaluation. Intervention The participants underwent a pretraining auditory processing evaluation and functional magnetic resonance imaging (fMRI). Participants then underwent 12, 30-minute DIID training sessions followed by posttreatment auditory processing evaluations and fMRI. Data Collection and Analysis Data was collected at the pretreatment appointment and then immediately following the completion of the training. Results Each patient demonstrated varying degrees of improvement on the posttreatment assessment. Case 1 showed significant improvement on the Speech-in-Noise-Revised (SPIN-R) test. fMRI showed changes in activation patterns following training. Case 2 demonstrated improved scores on the Dichotic Digits Test and SPIN-R and increased activation of the calcarine sulcus following training. Conclusion Dichotic training can be an efficacious treatment for binaural integration deficits and may show evidence of improving speech understanding in noise. This case series demonstrates a promising therapy to help patients improve auditory function by improving dichotic listening skills.

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The effects of auditory training on dichotic listening: a neurological case study

Cited by 5 publications

References 40 publications

Evaluating the effectiveness of dichotic training in the elderly adults: a single subject study

Evaluating the effectiveness of dichotic training in the elderly adults: a single subject study

Is Training with the N-Back Task More Effective Than with Other Tasks? N-Back vs. Dichotic Listening vs. Simple Listening

Behavioral and Hemodynamic Changes Following Dichotic Training in Patients with Neurological Deficits of the Auditory Nervous System: A Case Series

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