Study of Cognitive Reserve Disorder Affecting Depression in Aged Related Hearing Loss Via Rest State EEG
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In this study, patients with aged-related hearing loss with depression and without depression were evaluated by audiometry (pure tone audiometry and speech audiometry), cognitive function assessment (MMSE scale for simple mental state test, MoCA Scale for Montreal Cognitive Assessment), and depressive symptoms assessment (GDS-15 and HAMD), resting state EEG. The ananlysis of resting state EEG included power spectral density, traceability analysis, functional connectivity, microstate, clustering coefficient, characteristic path length, characteristic path permeability, and compatibility coefficient. EEG signals were used to explore the activation of brain regions and poor connectivity of brain regions affected by cognitive reserve dissonance on the level of brain imaging. This paper innovatively explores the influence of cognitive reserve dissonance on depressive mood in senile deafness by means of audiological assessment, cognitive function assessment, depression symptom assessment, resting state electroencephalography (EEG) and other technical means. Auditory and cognitive cortical activation, functional connectivity of brain regions, small-world attributes and microstates were analyzed in senile deafness with or without depression at the brain imaging level.
Full description
In this study, patients with aged-related hearing loss with depression and without depression were evaluated by audiometry (pure tone audiometry and speech audiometry), cognitive function assessment (MMSE scale for simple mental state test, MoCA Scale for Montreal Cognitive Assessment), and depressive symptoms assessment (GDS-15 and HAMD), resting state EEG. The ananlysis of resting state EEG included power spectral density, traceability analysis, functional connectivity, microstate, clustering coefficient, characteristic path length, characteristic path permeability, and compatibility coefficient. EEG signals were used to explore the activation of brain regions and poor connectivity of brain regions affected by cognitive reserve dissonance on the level of brain imaging. This paper innovatively explores the influence of cognitive reserve dissonance on depressive mood in senile deafness by means of audiological assessment, cognitive function assessment, depression symptom assessment, resting state electroencephalography (EEG) and other technical means. Auditory and cognitive cortical activation, functional connectivity of brain regions, small-world attributes and microstates were analyzed in senile deafness with or without depression at the brain imaging level.
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Inclusion criteria
- age ≥55 years, < 90 years;
- For patients diagnosed with senile deafness, refering to Expert Consensus on Diagnosis and Intervention of Senile Hearing Loss, 2019 edition.
- mild, moderate, moderate and severe sensorineural hearing loss;
- Chinese who can cooperate with all Chinese version evaluation;
- right-handed;
- there was no middle ear disease or inner ear disease;
- there was no bilateral symmetry or sensorineural deafness;
- there was no severe neurological disease, serious systemic disease, family genetic history, or severe mental disease;
- there was no experience of hearing aids fitting.
Exclusion criteria
- pure tone audiometry suggests that the average pure tone hearing threshold (500Hz, 1kHz, 2kHz, 4kHz) is > 91dB HL;
- sensorineural hearing loss caused by noise or drugs.
Trial design
44 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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