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Objective: To compare the cognitive evolution of older adults with severe or profound hearing impairment after cochlear implantation with that of a matched group of older adults with severe hearing impairment who do not receive a cochlear implant (CI). Design: In this prospective, longitudinal, controlled, and multicenter study, 24 older CI users were included in the intervention group and 24 adults without a CI in the control group. The control group matched the intervention group in terms of gender, age, formal education, cognitive functioning, and residual hearing. Assessments were made at baseline and 14 months later. Primary outcome measurements included the change in the total score on the Repeatable Battery for the Assessment of Neuropsychological Status for Hearing impaired individuals score and on its subdomain score to assess cognitive evolution in both groups. Secondary outcome measurements included self-reported changes in sound quality (Hearing Implant Sound Quality Index), self-perceived hearing disability (Speech, Spatial, and Qualities of Hearing Scale), states of anxiety and depression (Hospital Anxiety and Depression Scale), and level of negative affectivity and social inhibition (Type D questionnaire). Results: Improvements of the overall cognitive functioning ( p = 0.05) and the subdomain “Attention” ( p = 0.02) were observed after cochlear implantation in the intervention group; their scores were compared to the corresponding scores in the control group. Significant positive effects of cochlear implantation on sound quality and self-perceived hearing outcomes were found in the intervention group. Notably, 20% fewer traits of Type D personalities were measured in the intervention group after cochlear implantation. In the control group, traits of Type D personalities increased by 13%. Conclusion: Intervention with a CI improved cognitive functioning (domain Attention in particular) in older adults with severe hearing impairment compared to that of the matched controls with hearing impairment without a CI. However, older CI users did not, in terms of cognition, bridge the performance gap with adults with normal hearing after 1 year of CI use. The fact that experienced, older CI users still present subnormal cognitive functioning may highlight the need for additional cognitive rehabilitation in the long term after implantation.

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Purpose Children with (central) auditory processing disorder [(C)APD] exhibit many cognitive difficulties and receive negative psychosocial consequences from their disorder. Diagnosis of (C)APD relies on multidisciplinary assessment, including psychological testing. There is a strong need for valid and reliable questionnaires to identify children who are at risk of (C)APD. This work aims to establish the psychometric properties of the Polish version of the Scale of Auditory Behaviors (SAB; Domitz & Schow, 2000 ; Krzeszewska & Kurkowski, 2015 ; Miranda, Bruera, & Serra 2016 ; Musiek & Chermak, 2007 ; Nunes et al., 2013 ) as a screening tool in children. Method The SAB was administered to parents of 326 children (152 girls and 174 boys) aged from 6 to 12 years ( M = 8.24, SD = 1.56). The questionnaire consists of 12 items related to various symptoms of (C)APD and allows the frequency of particular behaviors to be assessed. In addition, the questionnaire Children's Home Inventory for Listening Difficulties was administered to parents, and 3 other psychoacoustic behavioral tests (Frequency Pattern Test, Duration Pattern Test, Dichotic Digit Test; Czajka et al., 2012 ) were conducted on the children to evaluate their auditory abilities. Results The Polish version of SAB demonstrated high internal consistency (Cronbach's α = .93), confirmed by interitem correlations. Intraclass correlation, which was used to determine reproducibility, was .95. There were also significant and positive relationships, ranging from r = .17 to .68, between the SAB score and scores of other measures, indicating convergent validity of the tool. Girls demonstrated higher SAB scores than boys ( p < .05); however, age was not statistically significant. A ceiling effect was detected, but no floor effect. Conclusions Results of psychometric and statistical analyses suggest the Polish version of SAB appears to be a valid and reliable questionnaire to evaluate symptoms of (C)APD in children, especially as a screening tool.