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Amini AE, Naples JG, Cortina L, Hwa T, Morcos M, Castellanos I, Moberly AC. A Scoping Review and Meta-Analysis of the Relations Between Cognition and Cochlear Implant Outcomes and the Effect of Quiet Versus Noise Testing Conditions. Ear Hear 2024:00003446-990000000-00304. [PMID: 38953851 DOI: 10.1097/aud.0000000000001527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
OBJECTIVES Evidence continues to emerge of associations between cochlear implant (CI) outcomes and cognitive functions in postlingually deafened adults. While there are multiple factors that appear to affect these associations, the impact of speech recognition background testing conditions (i.e., in quiet versus noise) has not been systematically explored. The two aims of this study were to (1) identify associations between speech recognition following cochlear implantation and performance on cognitive tasks, and to (2) investigate the impact of speech testing in quiet versus noise on these associations. Ultimately, we want to understand the conditions that impact this complex relationship between CI outcomes and cognition. DESIGN A scoping review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines was performed on published literature evaluating the relation between outcomes of cochlear implantation and cognition. The current review evaluates 39 papers that reported associations between over 30 cognitive assessments and speech recognition tests in adult patients with CIs. Six cognitive domains were evaluated: Global Cognition, Inhibition-Concentration, Memory and Learning, Controlled Fluency, Verbal Fluency, and Visuospatial Organization. Meta-analysis was conducted on three cognitive assessments among 12 studies to evaluate relations with speech recognition outcomes. Subgroup analyses were performed to identify whether speech recognition testing in quiet versus in background noise impacted its association with cognitive performance. RESULTS Significant associations between cognition and speech recognition in a background of quiet or noise were found in 69% of studies. Tests of Global Cognition and Inhibition-Concentration skills resulted in the highest overall frequency of significant associations with speech recognition (45% and 57%, respectively). Despite the modest proportion of significant associations reported, pooling effect sizes across samples through meta-analysis revealed a moderate positive correlation between tests of Global Cognition (r = +0.37, p < 0.01) as well as Verbal Fluency (r = +0.44, p < 0.01) and postoperative speech recognition skills. Tests of Memory and Learning are most frequently utilized in the setting of CI (in 26 of 39 included studies), yet meta-analysis revealed nonsignificant associations with speech recognition performance in a background of quiet (r = +0.30, p = 0.18), and noise (r = -0.06, p = 0.78). CONCLUSIONS Background conditions of speech recognition testing may influence the relation between speech recognition outcomes and cognition. The magnitude of this effect of testing conditions on this relationship appears to vary depending on the cognitive construct being assessed. Overall, Global Cognition and Inhibition-Concentration skills are potentially useful in explaining speech recognition skills following cochlear implantation. Future work should continue to evaluate these relations to appropriately unify cognitive testing opportunities in the setting of cochlear implantation.
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Affiliation(s)
- Andrew E Amini
- Department of Otolaryngology Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, USA
- These authors contributed equally to this work
| | - James G Naples
- Division of Otolaryngology-Head and Neck Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
- These authors contributed equally to this work
| | - Luis Cortina
- Department of Otolaryngology Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Tiffany Hwa
- Division of Otology, Neurotology, & Lateral Skull Base Surgery, Department of Otolaryngology-Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mary Morcos
- Department of Otolaryngology Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Irina Castellanos
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Aaron C Moberly
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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Zhang F, McGuire K, Skeeters M, Barbara M, Chang PF, Zhang N, Xiang J, Huang B. Cognitive Functions and Subjective Hearing in Cochlear Implant Users. J Audiol Otol 2024; 28:176-185. [PMID: 38685833 PMCID: PMC11273187 DOI: 10.7874/jao.2023.00276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/06/2023] [Accepted: 09/15/2023] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND AND OBJECTIVES A cochlear implant (CI) is an effective prosthetic device used to treat severe-to-profound hearing loss. The present study examined cognitive function in CI users by employing a web-based cognitive testing platform, i.e., BrainCheck, and explored the correlation between cognitive function and subjective evaluation of hearing. SUBJECTS AND METHODS Forty-two CI users (mean age: 58.90 years) were surveyed in the subjective evaluation of hearing, and 20/42 participated in the BrainCheck cognitive tests (immediate recognition, Trail Making A, Trail Making B, Stroop, digit symbol substitution, and delayed recognition). As controls for cognitive function, young normal-hearing (YNH, mean age=23.83 years) and older normal-hearing (ONH, mean age=52.67 years) listener groups were subjected to Brain-Check testing. RESULTS CI users exhibited poorer cognitive function than the normal hearing groups in all tasks except for immediate and delayed recognition. The highest percentage of CI users who had "possible" and "likely" cognitive impairment, based on BrainCheck scores (ranging from 0-200), was observed in tests assessing executive function. The composite cognitive score across domains tended to be related to subjective hearing (p=0.07). CONCLUSIONS The findings of the current study suggest that CI users had a higher likelihood of cognitive impairment in the executive function domain than in lower-level domains. BrianCheck online cognitive testing affords a convenient and effective tool to self-evaluate cognitive function in CI users.
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Affiliation(s)
- Fawen Zhang
- Department of Communication Sciences and Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Kelli McGuire
- Department of Communication Sciences and Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Madeline Skeeters
- Department of Communication Sciences and Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Matthew Barbara
- Department of Communication Sciences and Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Pamara F. Chang
- Department of Information & Logistics Technology, College of Technology, University of Houston, Houston, TX, USA
| | - Nanhua Zhang
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jing Xiang
- Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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Ceuleers D, Keppler H, Degeest S, Baudonck N, Swinnen F, Kestens K, Dhooge I. Auditory, Visual, and Cognitive Abilities in Normal-Hearing Adults, Hearing Aid Users, and Cochlear Implant Users. Ear Hear 2024; 45:679-694. [PMID: 38192017 DOI: 10.1097/aud.0000000000001458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
OBJECTIVES Speech understanding is considered a bimodal and bidirectional process, whereby visual information (i.e., speechreading) and also cognitive functions (i.e., top-down processes) are involved. Therefore, the purpose of the present study is twofold: (1) to investigate the auditory (A), visual (V), and cognitive (C) abilities in normal-hearing individuals, hearing aid (HA) users, and cochlear implant (CI) users, and (2) to determine an auditory, visual, cognitive (AVC)-profile providing a comprehensive overview of a person's speech processing abilities, containing a broader variety of factors involved in speech understanding. DESIGN Three matched groups of subjects participated in this study: (1) 31 normal-hearing adults (mean age = 58.76), (2) 31 adults with moderate to severe hearing loss using HAs (mean age = 59.31), (3) 31 adults with a severe to profound hearing loss using a CI (mean age = 58.86). The audiological assessments consisted of pure-tone audiometry, speech audiometry in quiet and in noise. For evaluation of the (audio-) visual speech processing abilities, the Test for (Audio) Visual Speech perception was used. The cognitive test battery consisted of the letter-number sequencing task, the letter detection test, and an auditory Stroop test, measuring working memory and processing speed, selective attention, and cognitive flexibility and inhibition, respectively. Differences between the three groups were examined using a one-way analysis of variance or Kruskal-Wallis test, depending on the normality of the variables. Furthermore, a principal component analysis was conducted to determine the AVC-profile. RESULTS Normal-hearing individuals scored better for both auditory, and cognitive abilities compared to HA users and CI users, listening in a best aided condition. No significant differences were found for speech understanding in a visual condition, despite a larger audiovisual gain for the HA users and CI users. Furthermore, an AVC-profile was composed based on the different auditory, visual, and cognitive assessments. On the basis of that profile, it is possible to determine one comprehensive score for auditory, visual, and cognitive functioning. In the future, these scores could be used in auditory rehabilitation to determine specific strengths and weaknesses per individual patient for the different abilities related to the process of speech understanding in daily life. CONCLUSIONS It is suggested to evaluate individuals with hearing loss from a broader perspective, considering more than only the typical auditory abilities. Also, cognitive and visual abilities are important to take into account to have a more complete overview of the speech understanding abilities in daily life.
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Affiliation(s)
- Dorien Ceuleers
- Department of Head and Skin, Ghent University, Ghent, Belgium
| | - Hannah Keppler
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
| | - Sofie Degeest
- Department of Head and Skin, Ghent University, Ghent, Belgium
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
| | - Nele Baudonck
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
| | - Freya Swinnen
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
| | - Katrien Kestens
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
| | - Ingeborg Dhooge
- Department of Head and Skin, Ghent University, Ghent, Belgium
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
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Inguscio BMS, Cartocci G, Sciaraffa N, Nicastri M, Giallini I, Aricò P, Greco A, Babiloni F, Mancini P. Two are better than one: Differences in cortical EEG patterns during auditory and visual verbal working memory processing between Unilateral and Bilateral Cochlear Implanted children. Hear Res 2024; 446:109007. [PMID: 38608331 DOI: 10.1016/j.heares.2024.109007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 03/28/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024]
Abstract
Despite the proven effectiveness of cochlear implant (CI) in the hearing restoration of deaf or hard-of-hearing (DHH) children, to date, extreme variability in verbal working memory (VWM) abilities is observed in both unilateral and bilateral CI user children (CIs). Although clinical experience has long observed deficits in this fundamental executive function in CIs, the cause to date is still unknown. Here, we have set out to investigate differences in brain functioning regarding the impact of monaural and binaural listening in CIs compared with normal hearing (NH) peers during a three-level difficulty n-back task undertaken in two sensory modalities (auditory and visual). The objective of this pioneering study was to identify electroencephalographic (EEG) marker pattern differences in visual and auditory VWM performances in CIs compared to NH peers and possible differences between unilateral cochlear implant (UCI) and bilateral cochlear implant (BCI) users. The main results revealed differences in theta and gamma EEG bands. Compared with hearing controls and BCIs, UCIs showed hypoactivation of theta in the frontal area during the most complex condition of the auditory task and a correlation of the same activation with VWM performance. Hypoactivation in theta was also observed, again for UCIs, in the left hemisphere when compared to BCIs and in the gamma band in UCIs compared to both BCIs and NHs. For the latter two, a correlation was found between left hemispheric gamma oscillation and performance in the audio task. These findings, discussed in the light of recent research, suggest that unilateral CI is deficient in supporting auditory VWM in DHH. At the same time, bilateral CI would allow the DHH child to approach the VWM benchmark for NH children. The present study suggests the possible effectiveness of EEG in supporting, through a targeted approach, the diagnosis and rehabilitation of VWM in DHH children.
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Affiliation(s)
- Bianca Maria Serena Inguscio
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, Rome 00161, Italy; BrainSigns Srl, Via Tirso, 14, Rome 00198, Italy.
| | - Giulia Cartocci
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, Rome 00161, Italy; BrainSigns Srl, Via Tirso, 14, Rome 00198, Italy
| | | | - Maria Nicastri
- Department of Sense Organs, Sapienza University of Rome, Viale dell'Università 31, Rome 00161, Italy
| | - Ilaria Giallini
- Department of Sense Organs, Sapienza University of Rome, Viale dell'Università 31, Rome 00161, Italy
| | - Pietro Aricò
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, Rome 00161, Italy; BrainSigns Srl, Via Tirso, 14, Rome 00198, Italy; Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, Via Ariosto 125, Rome 00185, Italy
| | - Antonio Greco
- Department of Sense Organs, Sapienza University of Rome, Viale dell'Università 31, Rome 00161, Italy
| | - Fabio Babiloni
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, Rome 00161, Italy; BrainSigns Srl, Via Tirso, 14, Rome 00198, Italy; Department of Computer Science, Hangzhou Dianzi University, Xiasha Higher Education Zone, Hangzhou 310018, China
| | - Patrizia Mancini
- Department of Sense Organs, Sapienza University of Rome, Viale dell'Università 31, Rome 00161, Italy
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Amini AE, Naples JG, Hwa T, Larrow DC, Campbell FM, Qiu M, Castellanos I, Moberly AC. Emerging Relations among Cognitive Constructs and Cochlear Implant Outcomes: A Systematic Review and Meta-Analysis. Otolaryngol Head Neck Surg 2023; 169:792-810. [PMID: 37365967 DOI: 10.1002/ohn.344] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/07/2023] [Accepted: 03/25/2023] [Indexed: 06/28/2023]
Abstract
OBJECTIVE Hearing loss has a detrimental impact on cognitive function. However, there is a lack of consensus on the impact of cochlear implants on cognition. This review systematically evaluates whether cochlear implants in adult patients lead to cognitive improvements and investigates the relations of cognition with speech recognition outcomes. DATA SOURCES A literature review was performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Studies evaluating cognition and cochlear implant outcomes in postlingual, adult patients from January 1996 to December 2021 were included. Of 2510 total references, 52 studies were included in qualitative analysis and 11 in meta-analyses. REVIEW METHODS Proportions were extracted from studies of (1) the significant impacts of cochlear implantation on 6 cognitive domains and (2) associations between cognition and speech recognition outcomes. Meta-analyses were performed using random effects models on mean differences between pre- and postoperative performance on 4 cognitive assessments. RESULTS Only half of the outcomes reported suggested cochlear implantation had a significant impact on cognition (50.8%), with the highest proportion in assessments of memory & learning and inhibition-concentration. Meta-analyses revealed significant improvements in global cognition and inhibition-concentration. Finally, 40.4% of associations between cognition and speech recognition outcomes were significant. CONCLUSION Findings relating to cochlear implantation and cognition vary depending on the cognitive domain assessed and the study goal. Nonetheless, assessments of memory & learning, global cognition, and inhibition-concentration may represent tools to assess cognitive benefit after implantation and help explain variability in speech recognition outcomes. Enhanced selectivity in assessments of cognition is needed for clinical applicability.
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Affiliation(s)
- Andrew E Amini
- Harvard Medical School, Boston, Massachusetts, USA
- Division of Otolaryngology-Head and Neck Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - James G Naples
- Harvard Medical School, Boston, Massachusetts, USA
- Division of Otolaryngology-Head and Neck Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Tiffany Hwa
- Division of Otology, Neurotology, and Lateral Skull Base Surgery, Department of Otolaryngology-Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Danielle C Larrow
- Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, USA
| | - Frank M Campbell
- Biotech Commons, Johnson Pavilion, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Maylene Qiu
- Biotech Commons, Johnson Pavilion, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Irina Castellanos
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Aaron C Moberly
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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Herzog JA, Buchman CA, Kallogjeri D, Chen S, Wick C, Durakovic N, Shew MA. Cognitive Assessment in Elderly Cochlear Implant Recipients: Long-Term Analysis. Laryngoscope 2023; 133:2379-2387. [PMID: 36300628 DOI: 10.1002/lary.30466] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/23/2022] [Accepted: 09/20/2022] [Indexed: 08/11/2023]
Abstract
OBJECTIVES To examine long-term speech and cognition outcomes in older adult cochlear implant (CI) recipients. First, by evaluating if CI performance was maintained over an extended follow-up period regardless of preoperative cognitive status. Secondly, by evaluating if there was a difference in the rate of cognitive decline between preoperative mild and normal cognition following CI over an extended period of time. STUDY DESIGN AND SETTING Retrospective cohort study. METHODS CI recipients ≥65 years of age implanted between 2009 and 2014 with 4+ years follow up. Pre- and postoperative audiometric and speech outcome assessments were collected. Cognitive status was measured using the mini mental status examination (MMSE) at numerous time points. RESULTS Fifty-three patients met inclusion. Patients were divided into two groups based on preoperative MMSE with scores considered normal (28-30) and those with mildly impaired cognition (MIC, scores 25-27). Audiometric and speech performance improved significantly at one-year post implantation and this was maintained without significant change at 4+ years, regardless of cognitive status. Mixed modeling analysis controlling for age demonstrated no significant difference in the rate of cognitive decline at 4+ years post implantation between the normal cognition cohort (1.74; 95%CI 0.89-2.6) and MIC (2.9; 95%1.91-3.88). CONCLUSION Speech performance was significantly improved and sustained after CI in both normal cognition and MIC patients. The rate of cognitive decline in older adult CI patients appears to be similar regardless of preoperative cognitive status. Although results demonstrate rates of cognitive decline following CI did not differ between cognition groups over 4+ years, future studies will need to further investigate this over extended time periods with a more comprehensive cognitive testing battery. LEVEL OF EVIDENCE 4 Laryngoscope, 133:2379-2387, 2023.
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Affiliation(s)
- Jacques A Herzog
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Craig A Buchman
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Dorina Kallogjeri
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Stephanie Chen
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Cameron Wick
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Nedim Durakovic
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Matthew A Shew
- Department of Otolaryngology Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
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Sulas E, Hasan PY, Zhang Y, Patou F. Streamlining experiment design in cognitive hearing science using OpenSesame. Behav Res Methods 2023; 55:1965-1979. [PMID: 35794416 PMCID: PMC10250502 DOI: 10.3758/s13428-022-01886-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 11/08/2022]
Abstract
Auditory science increasingly builds on concepts and testing paradigms originated in behavioral psychology and cognitive neuroscience - an evolution of which the resulting discipline is now known as cognitive hearing science. Experimental cognitive hearing science paradigms call for hybrid cognitive and psychobehavioral tests such as those relating the attentional system, working memory, and executive functioning to low-level auditory acuity or speech intelligibility. Building complex multi-stimuli experiments can rapidly become time-consuming and error-prone. Platform-based experiment design can help streamline the implementation of cognitive hearing science experimental paradigms, promote the standardization of experiment design practices, and ensure reliability and control. Here, we introduce a set of features for the open-source python-based OpenSesame platform that allows the rapid implementation of custom behavioral and cognitive hearing science tests, including complex multichannel audio stimuli while interfacing with various synchronous inputs/outputs. Our integration includes advanced audio playback capabilities with multiple loudspeakers, an adaptive procedure, compatibility with standard I/Os and their synchronization through implementation of the Lab Streaming Layer protocol. We exemplify the capabilities of this extended OpenSesame platform with an implementation of the three-alternative forced choice amplitude modulation detection test and discuss reliability and performance. The new features are available free of charge from GitHub: https://github.com/elus-om/BRM_OMEXP .
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Sander KL, Warren SE, Mendel LL. Survey of selective electrode deactivation attitudes and practices by cochlear implant audiologists. Cochlear Implants Int 2023; 24:167-175. [PMID: 36732065 DOI: 10.1080/14670100.2023.2166571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES The purpose of this study was to explore clinician attitudes regarding selective electrode deactivation and to investigate the primary methodology used to identify poorly encoded electrodes, deactivate identified electrodes, and measure outcomes. METHODS An online survey consisting of 32 questions was administered to certified clinical and research cochlear implant (CI) audiologists. Questions asked participants about their demographic information, device programming patterns, and attitudes regarding selective electrode deactivation. RESULTS Fifty-four audiologists completed the survey. When asked whether they believed selectively deactivating poorly encoded electrodes could improve speech perception outcomes, 43% of respondents selected 'Probably Yes,' 39% selected 'Definitely Yes,' and 18% selected 'Might or Might Not.' Of those who reported deactivating electrodes as part of CI programming, various methodology was reported to identify and deactivate poorly encoding electrodes and evaluate effectiveness of deactivation. General reasons against deactivation were also reported. DISCUSSION CI audiologists generally believed selective electrode deactivation could be used to improve speech perception outcomes for patients; however, few reported implementing selective electrode deactivation in practice. Among those who do perform selective electrode deactivation, the reported methodology was highly variable. CONCLUSION These findings support the need for clinical practice guidelines to assist audiologists in performing selective electrode deactivation.
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Affiliation(s)
- Kara L Sander
- Department of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA
| | - Sarah E Warren
- Department of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA
| | - Lisa Lucks Mendel
- Department of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA
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Schvartz-Leyzac KC, Giordani B, Pfingst BE. Association of Aging and Cognition With Complex Speech Understanding in Cochlear-Implanted Adults: Use of a Modified National Institutes of Health (NIH) Toolbox Cognitive Assessment. JAMA Otolaryngol Head Neck Surg 2023; 149:239-246. [PMID: 36701145 PMCID: PMC9880868 DOI: 10.1001/jamaoto.2022.4806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 12/01/2022] [Indexed: 01/27/2023]
Abstract
Importance The association between cognitive function and outcomes in cochlear implant (CI) users is not completely understood, partly because some cognitive tests are confounded by auditory status. It is important to determine appropriate cognitive tests to use in a cohort of CI recipients. Objective To provide proof-of-concept for using an adapted version of the National Institutes of Health (NIH) Toolbox Cognition Battery in a cohort of patients with CIs and to explore how hearing in noise with a CI is affected by cognitive status using the adapted test. Design, Setting, and Participants In this prognostic study, participants listened to sentences presented in a speech-shaped background noise. Cognitive tests consisted of 7 subtests of the NIH Toolbox Cognition Battery that were adapted for hearing impaired individuals by including written instructions and visual stimuli. Participants were prospectively recruited from and evaluated at a tertiary medical center. All participants had at least 6 months' experience with their CI. Main Outcomes and Measures The main outcomes were performance on the adapted cognitive test and a speech recognition in noise task. Results Participants were 20 adult perilingually or postlingually deafened CI users (50% male participants; median [range] age, 66 [26-80] years old). Performance on a sentence recognition in noise task was negatively associated with the chronological age of the listener (R2 = 0.29; β = 0.16; standard error, SE = 0.06; t = 2.63; 95% confidence interval, 0.03-0.27). Testing using the adapted version of the NIH Toolbox Cognition Battery revealed that a test of processing speed was also associated with performance, using a standardized score that accounted for contributions of other demographic factors (R2 = 0.28; 95% confidence interval, -0.42 to -0.05). Conclusions and Relevance In this prognostic study, older CI users showed poorer performance on a sentence-in-noise test compared with younger users. This poorer performance was correlated with a cognitive deficit in processing speed when cognitive function was assessed using a test battery adapted for participants with hearing loss. These results provide initial proof-of-concept results for using a standardized and adapted cognitive test battery in CI recipients.
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Affiliation(s)
- Kara C. Schvartz-Leyzac
- Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health Systems, Ann Arbor
- Hearing Rehabilitation Center, Department of Otolaryngology, University of Michigan Health Systems, Ann Arbor
- Medical University of South Carolina, Charleston
| | - Bruno Giordani
- Department of Psychiatry & Michigan Alzheimer’s Disease Center, University of Michigan Health Systems, Ann Arbor
| | - Bryan E. Pfingst
- Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health Systems, Ann Arbor
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Beckers L, Tromp N, Philips B, Mylanus E, Huinck W. Exploring neurocognitive factors and brain activation in adult cochlear implant recipients associated with speech perception outcomes-A scoping review. Front Neurosci 2023; 17:1046669. [PMID: 36816114 PMCID: PMC9932917 DOI: 10.3389/fnins.2023.1046669] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 01/05/2023] [Indexed: 02/05/2023] Open
Abstract
Background Cochlear implants (CIs) are considered an effective treatment for severe-to-profound sensorineural hearing loss. However, speech perception outcomes are highly variable among adult CI recipients. Top-down neurocognitive factors have been hypothesized to contribute to this variation that is currently only partly explained by biological and audiological factors. Studies investigating this, use varying methods and observe varying outcomes, and their relevance has yet to be evaluated in a review. Gathering and structuring this evidence in this scoping review provides a clear overview of where this research line currently stands, with the aim of guiding future research. Objective To understand to which extent different neurocognitive factors influence speech perception in adult CI users with a postlingual onset of hearing loss, by systematically reviewing the literature. Methods A systematic scoping review was performed according to the PRISMA guidelines. Studies investigating the influence of one or more neurocognitive factors on speech perception post-implantation were included. Word and sentence perception in quiet and noise were included as speech perception outcome metrics and six key neurocognitive domains, as defined by the DSM-5, were covered during the literature search (Protocol in open science registries: 10.17605/OSF.IO/Z3G7W of searches in June 2020, April 2022). Results From 5,668 retrieved articles, 54 articles were included and grouped into three categories using different measures to relate to speech perception outcomes: (1) Nineteen studies investigating brain activation, (2) Thirty-one investigating performance on cognitive tests, and (3) Eighteen investigating linguistic skills. Conclusion The use of cognitive functions, recruiting the frontal cortex, the use of visual cues, recruiting the occipital cortex, and the temporal cortex still available for language processing, are beneficial for adult CI users. Cognitive assessments indicate that performance on non-verbal intelligence tasks positively correlated with speech perception outcomes. Performance on auditory or visual working memory, learning, memory and vocabulary tasks were unrelated to speech perception outcomes and performance on the Stroop task not to word perception in quiet. However, there are still many uncertainties regarding the explanation of inconsistent results between papers and more comprehensive studies are needed e.g., including different assessment times, or combining neuroimaging and behavioral measures. Systematic review registration https://doi.org/10.17605/OSF.IO/Z3G7W.
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Affiliation(s)
- Loes Beckers
- Cochlear Ltd., Mechelen, Belgium,Department of Otorhinolaryngology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands,*Correspondence: Loes Beckers,
| | - Nikki Tromp
- Cochlear Ltd., Mechelen, Belgium,Department of Otorhinolaryngology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Emmanuel Mylanus
- Department of Otorhinolaryngology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
| | - Wendy Huinck
- Department of Otorhinolaryngology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
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11
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Belkacem AN, Jamil N, Khalid S, Alnajjar F. On closed-loop brain stimulation systems for improving the quality of life of patients with neurological disorders. Front Hum Neurosci 2023; 17:1085173. [PMID: 37033911 PMCID: PMC10076878 DOI: 10.3389/fnhum.2023.1085173] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
Emerging brain technologies have significantly transformed human life in recent decades. For instance, the closed-loop brain-computer interface (BCI) is an advanced software-hardware system that interprets electrical signals from neurons, allowing communication with and control of the environment. The system then transmits these signals as controlled commands and provides feedback to the brain to execute specific tasks. This paper analyzes and presents the latest research on closed-loop BCI that utilizes electric/magnetic stimulation, optogenetic, and sonogenetic techniques. These techniques have demonstrated great potential in improving the quality of life for patients suffering from neurodegenerative or psychiatric diseases. We provide a comprehensive and systematic review of research on the modalities of closed-loop BCI in recent decades. To achieve this, the authors used a set of defined criteria to shortlist studies from well-known research databases into categories of brain stimulation techniques. These categories include deep brain stimulation, transcranial magnetic stimulation, transcranial direct-current stimulation, transcranial alternating-current stimulation, and optogenetics. These techniques have been useful in treating a wide range of disorders, such as Alzheimer's and Parkinson's disease, dementia, and depression. In total, 76 studies were shortlisted and analyzed to illustrate how closed-loop BCI can considerably improve, enhance, and restore specific brain functions. The analysis revealed that literature in the area has not adequately covered closed-loop BCI in the context of cognitive neural prosthetics and implanted neural devices. However, the authors demonstrate that the applications of closed-loop BCI are highly beneficial, and the technology is continually evolving to improve the lives of individuals with various ailments, including those with sensory-motor issues or cognitive deficiencies. By utilizing emerging techniques of stimulation, closed-loop BCI can safely improve patients' cognitive and affective skills, resulting in better healthcare outcomes.
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Affiliation(s)
- Abdelkader Nasreddine Belkacem
- Department of Computer and Network Engineering, College of Information Technology, UAE University, Al-Ain, United Arab Emirates
- *Correspondence: Abdelkader Nasreddine Belkacem
| | - Nuraini Jamil
- Department of Computer Science and Software Engineering, College of Information Technology, UAE University, Al-Ain, United Arab Emirates
| | - Sumayya Khalid
- Department of Computer Science and Software Engineering, College of Information Technology, UAE University, Al-Ain, United Arab Emirates
| | - Fady Alnajjar
- Department of Computer Science and Software Engineering, College of Information Technology, UAE University, Al-Ain, United Arab Emirates
- Center for Brain Science, RIKEN, Saitama, Japan
- Fady Alnajjar
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12
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Füllgrabe C, Öztürk OC. Immediate Effects of (Simulated) Age-Related Hearing Loss on Cognitive Processing and Performance for the Backward-Digit-Span Task. Front Aging Neurosci 2022; 14:912746. [PMID: 36420309 PMCID: PMC9677092 DOI: 10.3389/fnagi.2022.912746] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/17/2022] [Indexed: 02/23/2024] Open
Abstract
The recall of auditorily presented sequences of digits in reverse order (also known as the Backward Digit Span, BDS) is considered to reflect a person's information storage and processing abilities which have been linked to speech-in-noise intelligibility. However, especially in aging research and audiology, persons who are administered the BDS task are often affected by hearing loss (HL). If uncorrected, HL can have immediate assessment-format-related effects on cognitive-test performance and can result, in the long term, in neuroplastic changes impacting cognitive functioning. In the present study, an impairment-simulation approach, mimicking mild-to-moderate age-related HLs typical for persons aged 65, 75, and 85 years, was used in 19 young normal-hearing participants to evaluate the impact of HL on cognitive performance and the cognitive processes probed by the BDS task. Participants completed the BDS task in several listening conditions, as well as several commonly used visual tests of short-term and working memory. The results indicated that BDS performance was impaired by a simulated HL representing that of persons aged 75 years and above. In the normal-hearing condition, BDS performance correlated positively with both performance on tests of short-term memory and performance on tests of working memory. In the listening condition simulating moderate HL (as experienced by the average 85-year-old person), BDS performance only correlated with performance on working-memory tests. In conclusion, simulated (and, by extrapolation, actual) age-related HL negatively affects cognitive-test performance and may change the composition of the cognitive processes associated with the completion of a cognitive task.
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Affiliation(s)
| | - Ozan Cem Öztürk
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, United Kingdom
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13
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Brumer N, Elkins E, Hillyer J, Hazlewood C, Parbery-Clark A. Relationships Between Health-Related Quality of Life and Speech Perception in Bimodal and Bilateral Cochlear Implant Users. Front Psychol 2022; 13:859722. [PMID: 35572246 PMCID: PMC9096554 DOI: 10.3389/fpsyg.2022.859722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/28/2022] [Indexed: 11/22/2022] Open
Abstract
Purpose Previous studies examining the relationship between health-related quality of life (HRQoL) and speech perception ability in cochlear implant (CI) users have yielded variable results, due to a range of factors, such as a variety of different HRQoL questionnaires and CI speech testing materials in addition to CI configuration. In order to decrease inherent variability and better understand the relationship between these measures in CI users, we administered a commonly used clinical CI speech testing battery as well as two popular HRQoL questionnaires in bimodal and bilateral CI users. Methods The Glasgow Benefit Inventory (GBI), a modified five-factor version of the GBI (GBI-5F), and the Nijmegen Cochlear Implant Questionnaire (NCIQ) were administered to 25 CI users (17 bimodal and 8 bilateral). Speech perception abilities were measured with the AzBio sentence test in several conditions (e.g., quiet and noise, binaural, and first-ear CI only). Results Higher performance scores on the GBI general subscore were related to greater binaural speech perception ability in noise. There were no other relationships between the GBI or NCIQ and speech perception ability under any condition. Scores on many of the GBI-5F factors were substantially skewed and asymmetrical; therefore, correlational analyses could not be applied. Across all participants, binaural speech perception scores were greater than first-ear CI only scores. Conclusion The GBI general subscore was related to binaural speech perception, which is considered the everyday listening condition of bimodal and bilateral CI users, in noise; while the more CI-specific NCIQ did not relate to speech perception ability in any listening condition. Future research exploring the relationships between the GBI, GBI-5F, and NCIQ considering bimodal and bilateral CI configurations separately is warranted.
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Affiliation(s)
- Nadav Brumer
- Auditory Research Laboratory, Swedish Neuroscience Institute, Seattle, WA, United States
| | - Elizabeth Elkins
- Auditory Research Laboratory, Swedish Neuroscience Institute, Seattle, WA, United States
| | - Jake Hillyer
- College of Medicine, University of Arizona, Phoenix, AZ, United States
| | - Chantel Hazlewood
- Auditory Research Laboratory, Swedish Neuroscience Institute, Seattle, WA, United States
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14
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Völter C, Oberländer K, Haubitz I, Carroll R, Dazert S, Thomas JP. Poor Performer: A Distinct Entity in Cochlear Implant Users? Audiol Neurootol 2022; 27:356-367. [PMID: 35533653 PMCID: PMC9533457 DOI: 10.1159/000524107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 03/10/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Several factors are known to influence speech perception in cochlear implant (CI) users. To date, the underlying mechanisms have not yet been fully clarified. Although many CI users achieve a high level of speech perception, a small percentage of patients does not or only slightly benefit from the CI (poor performer, PP). In a previous study, PP showed significantly poorer results on nonauditory-based cognitive and linguistic tests than CI users with a very high level of speech understanding (star performer, SP). We now investigate if PP also differs from the CI user with an average performance (average performer, AP) in cognitive and linguistic performance. METHODS Seventeen adult postlingually deafened CI users with speech perception scores in quiet of 55 (9.32) % (AP) on the German Freiburg monosyllabic speech test at 65 dB underwent neurocognitive (attention, working memory, short- and long-term memory, verbal fluency, inhibition) and linguistic testing (word retrieval, lexical decision, phonological input lexicon). The results were compared to the performance of 15 PP (speech perception score of 15 [11.80] %) and 19 SP (speech perception score of 80 [4.85] %). For statistical analysis, U-Test and discrimination analysis have been done. RESULTS Significant differences between PP and AP were observed on linguistic tests, in Rapid Automatized Naming (RAN: p = 0.0026), lexical decision (LexDec: p = 0.026), phonological input lexicon (LEMO: p = 0.0085), and understanding of incomplete words (TRT: p = 0.0024). AP also had significantly better neurocognitive results than PP in the domains of attention (M3: p = 0.009) and working memory (OSPAN: p = 0.041; RST: p = 0.015) but not in delayed recall (delayed recall: p = 0.22), verbal fluency (verbal fluency: p = 0.084), and inhibition (Flanker: p = 0.35). In contrast, no differences were found hereby between AP and SP. Based on the TRT and the RAN, AP and PP could be separated in 100%. DISCUSSION The results indicate that PP constitute a distinct entity of CI users that differs even in nonauditory abilities from CI users with an average speech perception, especially with regard to rapid word retrieval either due to reduced phonological abilities or limited storage. Further studies should investigate if improved word retrieval by increased phonological and semantic training results in better speech perception in these CI users.
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Affiliation(s)
- Christiane Völter
- Department of Otorhinolaryngology, Head and Neck Surgery, Cochlear Implant Center Ruhrgebiet, St Elisabeth-Hospital, Ruhr University Bochum, Bochum, Germany
| | - Kirsten Oberländer
- Department of Otorhinolaryngology, Head and Neck Surgery, Cochlear Implant Center Ruhrgebiet, St Elisabeth-Hospital, Ruhr University Bochum, Bochum, Germany,
| | - Imme Haubitz
- Department of Otorhinolaryngology, Head and Neck Surgery, Cochlear Implant Center Ruhrgebiet, St Elisabeth-Hospital, Ruhr University Bochum, Bochum, Germany
| | - Rebecca Carroll
- Institute of English and American Studies, Technical University Braunschweig, Braunschweig, Germany
| | - Stefan Dazert
- Department of Otorhinolaryngology, Head and Neck Surgery, Cochlear Implant Center Ruhrgebiet, St Elisabeth-Hospital, Ruhr University Bochum, Bochum, Germany
| | - Jan Peter Thomas
- Department of Otorhinolaryngology, Head and Neck Surgery, St-Johannes-Hospital, Dortmund, Germany
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15
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Calvino M, Sánchez-Cuadrado I, Gavilán J, Gutiérrez-Revilla MA, Polo R, Lassaletta L. Effect of cochlear implantation on cognitive decline and quality of life in younger and older adults with severe-to-profound hearing loss. Eur Arch Otorhinolaryngol 2022; 279:4745-4759. [PMID: 35044508 PMCID: PMC9474541 DOI: 10.1007/s00405-022-07253-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/03/2022] [Indexed: 12/03/2022]
Abstract
Purpose (a) To measure the change in cognition, the improvement of speech perception, and the subjective benefit in people under and over 60 years following cochlear implantation. (b) To assess the relationship between cognition, demographic, audiometric, and subjective outcomes in both age groups. Methods 28 cochlear implant (CI) users were assigned to the < 60y group and 35 to the ≥ 60y group. Cognition was measured using the Repeatable Battery for the Assessment of Neuropsychological Status for Hearing impaired individuals (RBANS-H); subjective benefit was measured using the Nijmegen Cochlear Implant Questionnaire (NCIQ); the Glasgow Benefit Inventory (GBI); the Hearing Implant Sound Quality Index (HISQUI19); Speech, Spatial and Qualities of Hearing Scale (SSQ12); and the Hospital Anxiety and Depression Scale (HADS). Results Prior to surgery: the RBANS-H total score positively correlated with the domains “Advanced sound”, “Self-esteem”, and “Social functioning” of NCIQ, and negatively with HADS scores. 12 months post-implantation: the RBANS-H total score increased in the < 60y (p = 0.038) and in the ≥ 60y group (p < 0.001); speech perception and subjective outcomes also improved; RBANS-H total score positively correlated with “Self-esteem” domain in NCIQ. Age and the RBANS-H total score correlated negatively in the ≥ 60y group (p = 0.026). Conclusions After implantation, both age groups demonstrated improved cognition, speech perception and quality of life. Their depression scores decreased. Age was inversely associated with cognition.
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Affiliation(s)
- Miryam Calvino
- Department of Otolaryngology, Hospital Universitario La Paz, IdiPAZ, Paseo de La Castellana, 261, 28046, Madrid, Spain.,Biomedical Research Networking Centre on Rare Diseases (CIBERER), Institute of Health Carlos III, U761, Madrid, Spain
| | - Isabel Sánchez-Cuadrado
- Department of Otolaryngology, Hospital Universitario La Paz, IdiPAZ, Paseo de La Castellana, 261, 28046, Madrid, Spain
| | - Javier Gavilán
- Department of Otolaryngology, Hospital Universitario La Paz, IdiPAZ, Paseo de La Castellana, 261, 28046, Madrid, Spain
| | | | - Rubén Polo
- Department of Otolaryngology, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Luis Lassaletta
- Department of Otolaryngology, Hospital Universitario La Paz, IdiPAZ, Paseo de La Castellana, 261, 28046, Madrid, Spain. .,Biomedical Research Networking Centre on Rare Diseases (CIBERER), Institute of Health Carlos III, U761, Madrid, Spain.
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16
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Glasgow Benefit Inventory in Cochlear Implantation: A Reliable Though Ancillary Quality of Life Metric. Otol Neurotol 2021; 42:e1464-e1469. [PMID: 34353979 DOI: 10.1097/mao.0000000000003292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The Glasgow Benefit Inventory (GBI) is a health-related quality of life instrument used to detect changes in health status following otolaryngologic interventions. Despite its use in cochlear implant literature, assessment of utility, reliability, and validity of GBI in an adult cochlear implants (CI) patient population has yet to be performed. STUDY DESIGN Retrospective case series. SETTING Academic, tertiary referral center. PATIENTS Postlingually deafened, adult CI patients with at least 1 year of device use. INTERVENTIONS Five hundred fifty-two patients were administered GBI questionnaires at least 1 year following CI activation during follow-up visits. MAIN OUTCOME MEASURES GBI total and subscale scoring were compared to either the Hearing Handicap Inventory for Adults or Hearing Handicap Inventory for the Elderly. Moreover, a factor analysis and Cronbach's alpha were performed to determine GBI validity and internal reliability, respectively. RESULTS The average overall GBI score was 38.6 ± 21.7. This was weakly correlated to the reduction in Hearing Handicap Inventory for Adults/Hearing Handicap Inventory for the Elderly (τb = 0.282, p < 0.05). High factor loading with minimal cross-loading was noted on a three-factor solution, which emulated the original GBI development. Internal reliability was acceptable for the general benefit (α = 0.913) and social support subclasses (α = 0.706), whereas physical health's was low (α = 0.643). CONCLUSIONS Although GBI possesses adequate convergent and discriminant validity with acceptable reliability, its routine use to capture CI-specific health-related changes should not supersede validated CI-specific QoL instruments.
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Abstract
INTRODUCTION Despite substantial benefits of cochlear implantation (CI) there is a high variability in speech recognition, the reasons for which are not fully understood. Especially the group of low-performing CI users is under-researched. Because of limited perceptual quality, top-down mechanisms play an important role in decoding the speech signal transmitted by the CI. Thereby, differences in cognitive functioning and linguistic skills may explain speech outcome in these CI subjects. MATERIAL AND METHODS Fifteen post-lingually deaf CI recipients with a maximum speech perception of 30% in the Freiburger monosyllabic test (low performer = LP) underwent visually presented neurocognitive and linguistic test batteries assessing attention, memory, inhibition, working memory, lexical access, phonological input as well as automatic naming. Nineteen high performer (HP) with a speech perception of more than 70% were included as a control. Pairwise comparison of the two extreme groups and discrimination analysis were carried out. RESULTS Significant differences were found between LP and HP in phonological input lexicon and word retrieval (p = 0.0039∗∗). HP were faster in lexical access (p = 0.017∗) and distinguished more reliably between non-existing and existing words (p = 0.0021∗∗). Furthermore, HP outperformed LP in neurocognitive subtests, most prominently in attention (p = 0.003∗∗). LP and HP were primarily discriminated by linguistic performance and to a smaller extent by cognitive functioning (canonic r = 0.68, p = 0.0075). Poor rapid automatic naming of numbers helped to discriminate LP from HP CI users 91.7% of the time. CONCLUSION Severe phonologically based deficits in fast automatic speech processing contribute significantly to distinguish LP from HP CI users. Cognitive functions might partially help to overcome these difficulties.
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18
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Bernstein CM, Brewer DM, Bakke MH, Olson AD, Machmer EJ, Spitzer JB, Schauer PC, Sydlowski SA, Levitt H. Maximizing Cochlear Implant Outcomes with Short-Term Aural Rehabilitation. J Am Acad Audiol 2021; 32:144-156. [PMID: 33890268 DOI: 10.1055/s-0041-1722987] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Increasing numbers of adults are receiving cochlear implants (CIs) and many achieve high levels of speech perception and improved quality of life. However, a proportion of implant recipients still struggle due to limited speech recognition and/or greater communication demands in their daily lives. For these individuals a program of aural rehabilitation (AR) has the potential to improve outcomes. PURPOSE The study investigated the effects of a short-term AR intervention on speech recognition, functional communication, and psychosocial outcomes in post lingually deafened adult CI users. RESEARCH DESIGN The experimental design was a multisite clinical study with participants randomized to either an AR treatment or active control group. Each group completed 6 weekly 90-minute individual treatment sessions. Assessments were completed pretreatment, 1 week and 2 months post-treatment. STUDY SAMPLE Twenty-five post lingually deafened adult CI recipients participated. AR group: mean age 66.2 (48-80); nine females, four males; months postactivation 7.7 (3-16); mean years severe to profound deafness 18.4 (2-40). Active control group: mean age 62.8 (47-85); eight females, four males; months postactivation 7.0 (3-13); mean years severe to profound deafness 18.8 (1-55). INTERVENTION The AR protocol consisted of auditory training (words, sentences, speech tracking), and psychosocial counseling (informational and communication strategies). Active control group participants engaged in cognitive stimulation activities (e.g., crosswords, sudoku, etc.). DATA COLLECTION AND ANALYSIS Repeated measures ANOVA or analysis of variance, MANOVA or multivariate analysis of variance, and planned contrasts were used to compare group performance on the following measures: CasperSent; Hearing Handicap Inventory; Nijmegen Cochlear Implant Questionnaire; Client Oriented Scale of Improvement; Glasgow Benefit Inventory. RESULTS The AR group showed statistically significant improvements on speech recognition performance, psychosocial function, and communication goals with no significant improvement seen in the control group. The two groups were statistically equivalent on all outcome measures at preassessment. The robust improvements for the AR group were maintained at 2 months post-treatment. CONCLUSION Results of this clinical study provide evidence that a short-term AR intervention protocol can maximize outcomes for adult post lingually deafened CI users. The impact of this brief multidimensional AR intervention to extend CI benefit is compelling, and may serve as a template for best practices with adult CI users.
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Affiliation(s)
- Claire Marcus Bernstein
- Department of Hearing, Speech, and Language Sciences, Gallaudet University, Washington, District of Columbia
| | - Diane Majerus Brewer
- Department of Speech and Hearing Sciences, George Washington University, Washington, District of Columbia
| | - Matthew H Bakke
- Department of Hearing, Speech, and Language Sciences, Gallaudet University, Washington, District of Columbia
| | - Anne D Olson
- Communication Sciences and Disorders, University of Kentucky College of Health Sciences, Lexington, Kentucky
| | - Elizabeth Jackson Machmer
- National Technical Institute for the Deaf, Center for Educational Research Partnerships, Rochester, New York
| | - Jaclyn B Spitzer
- Columbia University Medical Center, Audiology and Speech Pathology in Otolaryngology, New York, New York.,Montclair State University, Communication Sciences and Disorders, Bloomfield, New Jersey
| | - Paula C Schauer
- Prince Georges County School System, Instructional Specialist Audiology, Landover, Maryland
| | | | - Harry Levitt
- Advanced Hearing Concepts, Bodega Bay, California
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19
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Vasil KJ, Ray C, Lewis J, Stefancin E, Tamati TN, Moberly AC. How Does Cochlear Implantation Lead to Improvements on a Cognitive Screening Measure? JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:1053-1061. [PMID: 33719534 DOI: 10.1044/2020_jslhr-20-00195] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Purpose Cognitive screening tools to identify patients at risk for cognitive deficits are frequently used by clinicians who work with aging populations in hearing health care. Although some studies show improvements in performance on cognitive screening exams when hearing loss intervention is provided in the form of a hearing aid or cochlear implant (CI), it is worth examining whether these improvements are attributable to increased auditory access to test items. This study aimed to examine whether performance and pass rate on a cognitive screening measure, the Montréal Cognitive Assessment (MoCA), improve as a result of CI, whether improved performance on auditory-based test items drives changes in MoCA performance, and whether postoperative MoCA performance relates to post-CI speech perception ability. Method Data were collected in adult CI candidates pre-implantation and 6 months postimplantation to examine the effect of intervention on MoCA performance. Participants were 77 CI users between the ages of 55 and 85 years. Participants completed the MoCA, administered audiovisually, and speech perception testing with monosyllabic (CNC) words at both intervals. Results Compared to 31 participants pre-operatively, 45 participants passed the MoCA postoperatively, which was a significant difference in pass rate. An improvement in MoCA scores could be attributed primarily to improvement in the "Delayed Recall" test domain, which was auditory based. Post-CI MoCA performance was related to post-CI CNC speech perception performance. Conclusions Improved performance and pass rates were demonstrated on the traditional MoCA test of cognitive screening from before to 6 months after CI. Improvements could primarily be attributed to better performance on a delayed recall task dependent on auditory access, and post-CI MoCA scores were related to post-CI speech perception abilities. Further studies are needed to investigate the application of cognitive screening tools in patients receiving hearing loss interventions, and these interventions' impact on patients' real-world functioning.
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Affiliation(s)
- Kara J Vasil
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
| | - Christin Ray
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
| | - Jessica Lewis
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
| | - Erin Stefancin
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
| | - Terrin N Tamati
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
| | - Aaron C Moberly
- Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus
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20
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Zhao EE, Dornhoffer JR, Loftus C, Nguyen SA, Meyer TA, Dubno JR, McRackan TR. Association of Patient-Related Factors With Adult Cochlear Implant Speech Recognition Outcomes: A Meta-analysis. JAMA Otolaryngol Head Neck Surg 2021; 146:613-620. [PMID: 32407461 DOI: 10.1001/jamaoto.2020.0662] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Importance Multiple studies have evaluated associations between post-cochlear implant (CI) speech recognition outcomes and patient-related factors. Current literature often appears equivocal or contradictory, so little is known about the factors that contribute to successful speech recognition outcomes with CIs. Objective To use a meta-analysis to pool data from the extant literature and provide an objective summary of existing evidence on associations of patient-related factors and CI speech recognition outcomes. Data Sources A literature search was performed using PubMed, Scopus, and CINAHL databases in January 2019 using the following search terms: cochlear implant or cochlear implants or cochlear implantation and speech recognition or word recognition or sentence recognition. Studies of postlingually deafened adult CI recipients that reported word or sentence recognition scores were included. Study Selection Inclusion criteria were postlingual adult CI recipients 18 years or older with word or sentence recognition scores at minimum 6-month postimplantation. Studies that included patients undergoing revision or reimplantation surgery were excluded. Data Extraction and Synthesis Following the Preferred Reporting Items for Systemic Reviews and Meta-analyses (PRISMA) guidelines, 1809 unique articles underwent review by abstract, and 121 articles underwent full-text review, resulting in 13 articles of 1095 patients for a meta-analysis of correlations. Random-effects model was used when the heterogeneity test yielded a low P value (P < .05). Main Outcomes and Measures The planned primary outcome was the pooled correlation values between postimplant speech recognition scores and patient-related factors. Results Of the 1095 patients included from the 13 studies, the mean age at implantation ranged from 51.2 to 63.7 years and the mean duration of hearing loss ranged from 9.5 to 31.8 years; for the 825 patients for whom sex was reported, 421 (51.0%) were women. A weak negative correlation was observed between age at implantation and postimplant sentence recognition in quiet (r = -0.31 [95% CI, -0.41 to -0.20]). Other correlations between patient-related factors and postimplant word or sentence recognition were statistically significant, but all correlations were absent to negligible (r = 0.02-0.27). Conclusions and Relevance Given that most associations were weak, negligible, or absent, patient-related factors often thought to affect CI speech recognition ability offer limited assistance in clinical decision-making in cochlear implantation. Additional research is needed to identify patient-related and other factors that predict CI outcomes, including speech recognition and other important variables related to success with CIs.
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Affiliation(s)
- Elise E Zhao
- Medical University of South Carolina, Charleston
| | | | | | | | - Ted A Meyer
- Medical University of South Carolina, Charleston
| | - Judy R Dubno
- Medical University of South Carolina, Charleston
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Van Rompaey V. Making the Case for Research on Disease-Modifying Treatments to Tackle Post-lingual Progressive Sensorineural Hearing Loss. Front Neurol 2020; 11:290. [PMID: 32373054 PMCID: PMC7186466 DOI: 10.3389/fneur.2020.00290] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 03/26/2020] [Indexed: 01/10/2023] Open
Abstract
Hearing loss not only has a significant impact on the quality of life of patients and society, but its correlation with cognitive decline in an aging population will also increase the risk of incident dementia. While current management of hearing loss is focused on hearing rehabilitation (and essentially symptomatic), patients are suffering from the burden of progressive hearing loss before hearing aids or cochlear implants are fitted. Although these devices have a significant effect on speech understanding, they do not always lead to normal speech understanding, especially in noisy environments. A significant number of patients suffer from autosomal dominantly inherited disorders that can produce progressive sensorineural hearing loss. This includes DFNA9, a disorder caused by pathologic variants in the COCH gene that leads to post-lingual profound sensorineural hearing loss and bilateral vestibulopathy. Carriers of a pathogenic variant leading to DFNA9 can be diagnosed at the pre-symptomatic or early symptomatic stage which creates a window of opportunity for treatment. Preventing hearing loss from occurring or stabilizing progression would provide the opportunity to avoid hearing aids or cochlear implants and would be able to reduce the increased incidence of dementia. While innovative therapies for restoration of hearing have been studied for restoration of hearing in case of severe-to-profound sensorineural hearing loss and congenital hearing loss, further research is needed to study how we can modify disease progression in late-onset autosomal dominant hereditary sensorineural hearing loss. Recently, gene editing strategies have been explored in autosomal dominant disorders to disrupt dominant mutations selectively without affecting wild-type alleles.
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Affiliation(s)
- Vincent Van Rompaey
- Department of Otorhinolaryngology and Head & Neck Surgery, Antwerp University Hospital, Edegem, Belgium
- Department of Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
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Parada JC, Hillyer J, Parbery-Clark A. Performance on the standard and hearing-impaired Montreal Cognitive Assessment in cochlear implant users. Int J Geriatr Psychiatry 2020; 35:338-347. [PMID: 31989675 DOI: 10.1002/gps.5267] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 01/21/2020] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Commonly used cognitive screening tools were not originally developed for patients with hearing loss (HL) and rely heavily on the ability to hear the instructions and test stimuli. Recently, the Montreal Cognitive Assessment (MoCA) was modified for use with hearing-impaired populations (ie, HI-MoCA). In order to investigate the clinical utility of the HI-MoCA, we assessed performance between the standard MoCA and HI-MoCA among postlingually deafened cochlear implant (CI) users. METHODS We administered the standard MoCA and HI-MoCA to 21 CI users and compared their performance. We assessed differences in pass/fail status when items from the attention and language sections and the delayed recall task were removed. RESULTS There was no significant difference in performance between the standard MoCA and HI-MoCA. Participants scored higher on both test versions when the delayed recall task was removed. Participants also performed better on the delayed recall task on the HI-MoCA than on the standard MoCA. CONCLUSIONS While our findings suggest that the modality of presentation for the MoCA does not influence overall performance for postlingually deafened CI users, visual presentation of stimuli impacted performance on delayed recall. Furthermore, irrespective of presentation modality, our participants scored higher on both MoCA versions when the delayed recall task was removed. Clinically, modifications to the presentation of the MoCA might not be necessary for CI users; however, clinicians should be aware that the delayed recall task is inherently harder for these patients.
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Affiliation(s)
| | - Jake Hillyer
- School of Medicine, Oregon Health & Science University, Portland, OR
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23
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Sorrentino T, Donati G, Nassif N, Pasini S, Redaelli de Zinis LO. Cognitive function and quality of life in older adult patients with cochlear implants. Int J Audiol 2019; 59:316-322. [DOI: 10.1080/14992027.2019.1696993] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Tommaso Sorrentino
- Adult Otorhinolaryngology Head Neck Surgery Division, ASST Spedali Civili, Brescia, Italy
| | - Giulia Donati
- Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, Section of Head and Neck Surgery, University of Brescia, Brescia, Italy
| | - Nader Nassif
- Pediatric Otorhinolaryngology Head Neck Surgery Division, Children Hospital, ASST Spedali Civili, Brescia, Italy
| | - Sara Pasini
- Adult Otorhinolaryngology Head Neck Surgery Division, ASST Spedali Civili, Brescia, Italy
| | - Luca O. Redaelli de Zinis
- Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, Section of Head and Neck Surgery, University of Brescia, Brescia, Italy
- Pediatric Otorhinolaryngology Head Neck Surgery Division, Children Hospital, ASST Spedali Civili, Brescia, Italy
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24
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Andries E, Van Rompaey V, Van de Heyning P, Mertens G. Commentary: Assessing Cognitive Abilities in High-Performing Cochlear Implant Users. Front Neurosci 2019; 13:564. [PMID: 31231181 PMCID: PMC6558634 DOI: 10.3389/fnins.2019.00564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 05/16/2019] [Indexed: 11/15/2022] Open
Affiliation(s)
- Ellen Andries
- Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Antwerp, Belgium.,Experimental Lab of Translational Neurosciences and Dento-Otolaryngology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Vincent Van Rompaey
- Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Antwerp, Belgium.,Experimental Lab of Translational Neurosciences and Dento-Otolaryngology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Paul Van de Heyning
- Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Antwerp, Belgium.,Experimental Lab of Translational Neurosciences and Dento-Otolaryngology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Griet Mertens
- Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Antwerp, Belgium.,Experimental Lab of Translational Neurosciences and Dento-Otolaryngology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
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25
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Hillyer J, Parada JC, Parbery-Clark A. Assessing performance on the Montreal Cognitive Assessment (MoCA) in experienced cochlear implant users: use of alternative scoring guidelines. AGING NEUROPSYCHOLOGY AND COGNITION 2019; 27:397-411. [DOI: 10.1080/13825585.2019.1624684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Jake Hillyer
- School of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Jennifer C. Parada
- Auditory Research Laboratory, Swedish Neuroscience Institute, Seattle, WA, USA
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