Comparison of recovery efficiency and matrix effect reduction in pesticide residue analysis: QuEChERS with d-SPE, SPE, and FaPEx in apples and Korean cabbage.

QuEChERS is widely used for the analysis of pesticide residues. However, d-SPE, which is commonly utilized in QuEChERS, demonstrates lower clean-up effectiveness than that achieved using conventional SPE, leading to an inadequate reduction of matrix effects. Hence, methods, such as internal standards and matrix-matched calibration (MMC), are frequently employed to address matrix effects.

Korean Proficiency Tests for Pesticide Residues in Rice: Comparison of Various Proficiency Testing Evaluation Methods and Identification of Critical Factors for Multiresidue Analysis.

Establishing pesticide safety management for agricultural products necessitates accurate pesticide analysis at analytical laboratories. Proficiency testing is regarded an effective method for quality control. Herein, proficiency tests were carried out for residual pesticide analysis in laboratories.

Central Auditory Processing Disorder in Patients with Amnestic Mild Cognitive Impairment.

Background: This study was conducted to comprehensively examine the central auditory processing (CAP) abilities of patients with amnestic mild cognitive impairment (aMCI) as well as to compare the results with cognitively normal elderly controls.

Methods: A total of 78 participants were screened through pure-tone audiometry and word recognition score in order to exclude peripheral auditory dysfunction. Forty-five people passed screening tests, and 33 people failed.

Effects of behavioural swallowing therapy in patients with Parkinson's disease: A systematic review.

Purpose: A previous 2014 systematic review outlining the treatment effects of swallowing therapies in Parkinson's disease (PD) demonstrated a lack of well-designed randomised controlled studies. This current review presents and evaluates the latest evidence for behaviour swallowing therapies for PD-related dysphagia to enhance speech-language pathologists' evidence-based decision-making around treatment choices.

Method: A systematic review of articles published in English and Korean was conducted from January 2014 through June 2020 using the electronic databases PubMed, Embase, and Cochrane Library.

Swallowing Outcomes Following Voice Therapy in Multiple System Atrophy with Dysphagia: Comparison of Treatment Efficacy with Parkinson's Disease.

Difficulties with speech and swallowing occur in patients with Parkinsonism. Lee Silverman Voice Treatment (LSVT) is proven as an effective treatment for speech and swallowing function in idiopathic Parkinson's disease (IPD). The effect of LSVT on swallowing function in multiple system atrophy-cerebellar type (MSA-C) is unknown.

Implementation of a Home-Based mHealth App Intervention Program With Human Mediation for Swallowing Tongue Pressure Strengthening Exercises in Older Adults: Longitudinal Observational Study.

Background: Tongue pressure is an effective index of swallowing function, and it decreases with aging and disease progression. Previous research has shown beneficial effects of swallowing exercises combined with myofunctional tongue-strengthening therapy on tongue function. Tongue exercises delivered through mobile health (mHealth) technologies have the potential to advance health care in the digital age to be more efficient for people with limited resources, especially older adults.

Development of an Ultrasonic Doppler Sensor-Based Swallowing Monitoring and Assessment System.

Existing swallowing evaluation methods using X-ray or endoscopy are qualitative. The present study develops a swallowing monitoring and assessment system (SMAS) that is nonintrusive and quantitative. The SMAS comprises an ultrasonic Doppler sensor array, a microphone, and an inertial measurement unit to measure ultrasound signals originating only from swallowing activities.

Swallowing-related quality of life among oral-feeding Chinese patients with Parkinson's disease - a preliminary study using Chinese SWAL-QOL.

Purpose: The objective of the present study is to evaluate swallowing-related quality of life in Chinese patients with Parkinson's disease (PD) using the validated Chinese version of the Swallowing Quality-of-Life Questionnaire (C-SWAL-QOL) and factors associated with swallowing-related quality of life, including age, disease duration, and severity of depression by 15-item Geriatric Depression Scale in Chinese version (GDS-C).

Methods: C-SWAL-QOL was administered to 67 Chinese patients with PD. Upon completion of C-SWAL-QOL, they completed the 15-item GDS-C.

User-Dependent Usability and Feasibility of a Swallowing Training mHealth App for Older Adults: Mixed Methods Pilot Study.

Background: Swallowing difficulties (ie, dysphagia) are common among older adults, with a 13% to 54% prevalence. Adequate interventions to improve the swallowing function of older adults would reduce morbidity and enhance health-related quality of life outcomes. Mobile health (mHealth) apps may help alleviate dysphagia symptoms by providing programs that maximize the intensity and frequency of training without requiring high costs or regular clinic visits.

Acoustic Psychometric Severity Index of Dysphonia (APSID): Development and Clinical Application.

Objectives/hypothesis: The purpose of this study was to explore the predictability of the Korean version of the Voice Activity and Participation Profile (K-VAPP) scores and acoustic measures for perceived severity of voice disorders. Furthermore, usefulness of the index derived from the multivariate formula as a screening tool for voice disorders was explored and compared with that of the Cepstral Spectral Index of Dysphonia (CSID).

Methods: A total of 150 patients with various voice disorders (42 males and 108 females, age = 45.

Discourse Measures to Differentiate Between Mild Cognitive Impairment and Healthy Aging.

Although subtle discourse declines in people with mild cognitive impairment (MCI) have been reported, heterogeneous measures and tasks among the MCI discourse studies have yielded widely varying outcomes. The present study aimed to first, identify discourse measures that aid the differentiation among people with amnestic MCI (aMCI), people with non-amnestic MCI (naMCI), and cognitively healthy control (HC) participants, and second, delineate the cognitive functions related to such discourse measures. Three discourse tasks (an episodic narrative, a planning task, and a picture description) were performed by 30 aMCI, 22 naMCI, and 21 HC participants.

Effects of frontal-executive dysfunction on self-perceived hearing handicap in the elderly with mild cognitive impairment.

It is increasingly agreed upon that cognitive and audiological factors are associated with self-perceived hearing handicap in old adults. This study aimed to compare self-perceived hearing handicap among mild cognitive impairment (MCI) subgroups and a cognitively normal elderly (CNE) group and determine which factors (i.e.

Association between Frontal-Executive Dysfunction and Speech-in-Noise Perception Deficits in Mild Cognitive Impairment.

Background And Purpose: Speech-in-noise perception deficits have been demonstrated in patients with mild cognitive impairment (MCI). However, it remains unclear whether the impairment of speech perception varies between MCI subtypes. The purpose of this study was twofold: 1) to compare speech perception performance among MCI subgroups, and 2) to identify the cognitive domains specifically related to speech-in-noise perception.

A Comparison of Voice Activity and Participation Profiles Among Etiological Groups.

Objectives: The purpose of this study was to determine whether patients with functional voice disorders show voice activity and participation profiles different from those of the organic and neurogenic groups.

Methods: The Korean Version of the Voice Activity and Participation Profile (K-VAPP) was administered to 200 participants (150 patients with functional, organic, and neurogenic voice disorders, 50 for each etiological group, 50 controls without vocal complaint). The K-VAPP subscale scores of the etiological groups were compared, controlling for age, professional use of voice, and severity of voice disorder measured by overall severity of the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V).

Acoustic Characteristics in Epiglottic Cyst.

Objective: The purpose of this study was to analyze the acoustic characteristics associated with alternation deformation of the vocal tract due to large epiglottic cyst, and to confirm the relation between the anatomical change and resonant function of the vocal tract.

Methods: Eight men with epiglottic cyst were enrolled in this study. The jitter, shimmer, noise-to-harmonic ratio, and first two formants were analyzed in vowels /a:/, /e:/, /i:/, /o:/, and /u:/.

Frequency-Limiting Effects on Speech and Environmental Sound Identification for Cochlear Implant and Normal Hearing Listeners.

Background And Objectives: It is important to understand the frequency region of cues used, and not used, by cochlear implant (CI) recipients. Speech and environmental sound recognition by individuals with CI and normal-hearing (NH) was measured. Gradients were also computed to evaluate the pattern of change in identification performance with respect to the low-pass filtering or high-pass filtering cutoff frequencies.

Diagnostic Value of Time-Constrained Naming Test in Mild Cognitive Impairment.

Background: Naming difficulties have recently garnered more interest in elderly individuals with mild cognitive impairment (MCI). We anticipate that naming tests with the consideration of response time can provide more informative and distinct neuropsychological profiles of individuals with MCI.

Methods: Naming tests were administered to 76 elderly individuals with MCI and 149 healthy elderly (HE).

Effects of Noise Level and Cognitive Function on Speech Perception in Normal Elderly and Elderly with Amnestic Mild Cognitive Impairment.

Objective And Background: Along with auditory function, cognitive function contributes to speech perception in the presence of background noise. Older adults with cognitive impairment might, therefore, have more difficulty perceiving speech-in-noise than their peers who have normal cognitive function. We compared the effects of noise level and cognitive function on speech perception in patients with amnestic mild cognitive impairment (aMCI), cognitively normal older adults, and cognitively normal younger adults.

Development and application of cognitive-pragmatic language ability assessment protocol for traumatic brain injury.

The study aim was to introduce a newly-developed multifaceted cognitive-pragmatic language assessment protocol. This study was also designed to assess the reliability and validity of the assessment protocol in the discrimination between mild traumatic brain injury (mTBI) and normal control. Individuals in this study were 25 to 64 years old.

Aging Effect on Korean Female Voice: Acoustic and Perceptual Examinations of Breathiness.

Objective: This paper sought to examine perceptual and acoustic characteristics in Korean female voices, focusing on the 'breathy' quality as a function of aging. In addition, we aimed to investigate if the three selected measures, H1-H2, H1-A1, and H1-A3, demonstrated any changes along a sustained vowel production.

Participants And Methods: A total of 42 participants were assigned to two age groups, young women and elderly women.

Abstract Word Definition in Patients with Amnestic Mild Cognitive Impairment.

The aims of this study were to investigate concrete and abstract word definition ability (1) between patients with amnestic mild cognitive impairment (aMCI) and normal adults and (2) between the aMCI subtypes (i.e., amnestic single-domain MCI and amnestic multidomain MCI; asMCI and amMCI) and normal controls.

Association of alcohol drinking with verbal and visuospatial memory impairment in older adults: Clinical Research Center for Dementia of South Korea (CREDOS) study.

Background: The study's aim was to examine the association of alcohol consumption with verbal and visuospatial memory impairment in older people.

Methods: Participants were 1,572, aged ≥60 years, in the hospital-based registry of the Clinical Research Center for Dementia of South Korea (CREDOS). Moderate drinking was defined as no more than seven drinks per week and three drinks per day.

Efficacy of language-appropriate cueing on micrographia in Korean patients with Parkinson's disease.

Aim: First, we objectively quantified the handwriting size of Parkinson's disease (PD) patients. Second, we investigated the efficacy of the external visual cueing on Korean handwriting in PD.

Methods: We recruited 57 patients diagnosed with PD and 37 community-dwelling normal older adults.

Initial phase performance in a 30-s verbal fluency task as being reflective of aging effect.

Aim: The purpose of the present study was to investigate if performance in a 30-s verbal semantic fluency task (i.e. animal naming) across five elderly aged groups (60-64; 65-69; 70-74; 75-79; 80-84 years) would be reflective of aging effect.

Effect of literacy level on cognitive and language tests in Korean illiterate older adults.

Aim: Illiterate individuals represent a significant proportion of the world's population. Acquisition of reading and writing skills influences the functional status of the brain, and consequently alters the performance on cognitive and language tests. Thus, it is important to identify the degree of the impact of levels of both illiteracy and education as potential confounders on test performance in people with neurological communication disorders.