journal
Journals Alzheimer Disease and Associat...

Alzheimer Disease and Associated Disorders

https://read.qxmd.com/read/37916936/a-longitudinal-evaluation-of-the-pattern-of-social-cognition-impairment-in-brazilians-with-alzheimer-s-disease
#1
JOURNAL ARTICLE
Tatiana Teresa Belfort Almeida Dos Santos, Marcela Moreira Lima Nogueira, Isabel Barbeito Lacerda, Michelle Brandt, Aline Tavares de Lucena, Rogeria Rangel, Julia Gaigher, Felipe Oliveira, Marcia Cristina Nascimento Dourado
BACKGROUND: Social cognition (SC) impairments contribute to the dependence of people with Alzheimer disease (AD), influencing their functional disability and the burden on family members and caregivers. Our objective was to longitudinally investigate the relationship between SC and cognitive and clinical variables in persons with AD and their caregivers. We also evaluated the different SC predictors from 3 perspectives: people with AD, caregivers of people with AD, and discrepancy analysis...
November 2, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37890053/perspectives-from-black-and-white-participants-and-care-partners-on-return-of-amyloid-and-tau-pet-imaging-and-other-research-results
#2
JOURNAL ARTICLE
Annalise Rahman-Filipiak, Mary Lesniak, Shima Sadaghiyani, Scott Roberts, Peter Lichtenberg, Benjamin M Hampstead
PURPOSE: Alzheimer disease (AD) biomarker testing is now common in research and approaching clinical translation. Disclosure protocols must be informed by diverse participants' perspectives on if/how the information would be useful. METHODS: This study utilized semistructured interviews assessing interest in receiving positron emission tomography (PET) amyloid and tau results, as well as perceived risks and benefits of hypothetical PET disclosure as a function of race and participant diagnosis...
October 30, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37862614/mild-cognitive-impairment-subtype-performance-in-comparison-to-healthy-older-controls-on-the-nih-toolbox-and-cogstate
#3
JOURNAL ARTICLE
Sarah Garcia, Robert L Askew, Voyko Kavcic, Sarah Shair, Arijit K Bhaumik, Edna Rose, Stephen Campbell, Nicolas May, Benjamin M Hampstead, Hiroko H Dodge, Judith L Heidebrink, Henry L Paulson, Bruno Giordani
BACKGROUND: Early detection is necessary for the treatment of dementia. Computerized testing has become more widely used in clinical trials; however, it is unclear how sensitive these measures are to early signs of neurodegeneration. We investigated the use of the NIH Toolbox-Cognition (NIHTB-CB) and Cogstate-Brief computerized neuropsychological batteries in the identification of mild cognitive impairment (MCI) versus healthy older adults [healthy control (HC)] and amnestic (aMCI) versus nonamnestic MCI (naMCI)...
October 20, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37824629/aspects-of-rest-activity-rhythms-associated-with-behavioral-and-psychological-symptoms-in-moderate-and-severe-dementia-results-of-a-cross-sectional-analysis
#4
JOURNAL ARTICLE
Daiki Ishimaru, Hiroyuki Tanaka, Yuma Nagata, Yasuhiro Ogawa, Keita Fukuhara, Takashi Nishikawa
OBJECTIVE: Disturbances in rest-activity rhythms (RAR) are commonly observed in patients with dementia; however, the influence thereof on behavioral and psychological symptoms of dementia (BPSD) remains unexplored. This study aimed to determine whether there is an association between RAR and BPSD among patients with moderate and severe dementia. METHODS: RAR analyses of 64 participants were performed using actigraphy. BPSD was assessed using the Neuropsychiatric Inventory-Nursing Home (NPI-NH) scale, and other clinical variables were assessed by the Mini-Mental State Examination, Cognitive Test for Severe Dementia, and Hyogo Activities of Daily Living Scale...
October 13, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37824581/anticipated-psychological-or-behavioral-reactions-to-learning-alzheimer-biomarker-results-associations-with-contextual-factors
#5
JOURNAL ARTICLE
Lindsay R Clark, Claire M Erickson, Nathaniel A Chin, Kristin E Basche, Erin M Jonaitis, Fred B Ketchum, Carey E Gleason
BACKGROUND: As Alzheimer disease (AD) biomarker testing becomes more widely available, adults may opt to learn results. Considering potential reactions to learning biomarker results can guide prebiomarker and postbiomarker testing education and counseling programs. METHODS: Cognitively healthy adults enrolled in observational Alzheimer research responded to a telephone survey about learning AD risk information (n=334; 44% Black or African American; mean age=64.9±7...
October 12, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37788381/balance-and-gait-associations-with-cognitive-impairment-and-dementia-in-individuals-with-down-syndrome
#6
JOURNAL ARTICLE
Aline S G G Conceição, Lívea F G Sant Ana, Guilherme P Mattar, Maria de Fátima R Silva, Andressa R Ramos, Alexandra M Oliveira, Claudia L Carvalho, Octavio R Gonçalves, Bruna L R Varotto, Luana D Martinez, Vinícius Leduc, Luciana M Fonseca, Orestes V Forlenza
BACKGROUND: Atypical aging in Down syndrome (DS) is associated with neuropathological characteristics consistent with Alzheimer disease. Gait abnormalities have been shown to be associated with an increased risk of dementia for the general population. The aim of this study was to determine whether gait disorders are associated with worse cognitive performance and dementia in adults with DS. METHODS: We evaluated 66 individuals with DS (≥20 y of age), divided into 3 groups: stable cognition, prodromal dementia, and dementia (presumed Alzheimer disease)...
October 2, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37738287/a-visual-analog-scale-for-self-reported-quality-of-life-a-comparison-of-vas-and-qol-ad-in-older-adults
#7
JOURNAL ARTICLE
Elizabeth Redford, Sabine Heuer
PURPOSE: People with dementia (PWD) are one of the fastest-growing clinical populations for speech-language pathologists. Self-reported quality of life (QoL) assessments are critical patient-reported outcome measures that align with person-centered care principles. However, proxy-reporting is most often used due to assumptions that PWD cannot provide reliable self-report. Visual analog scales (VASs) have been successfully used with people with expressive and cognitive deficits to measure subjective constructs such as QoL, mood, and pain...
September 22, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37738286/gender-pain-and-function-associated-with-physical-activity-after-hospitalization-in-persons-living-with-dementia
#8
JOURNAL ARTICLE
Ashley Kuzmik, Marie Boltz, Barbara Resnick, Brittany F Drazich, James E Galvin
BACKGROUND: The purpose of this study was to identify factors that are associated with physical activity after hospitalization in persons living with dementia. METHODS: Multiple linear regressions were conducted to test factors associated with objective activity levels (sedentary, low, moderate, and vigorous) among 244 patients living with dementia from a randomized controlled trial. RESULTS: Within 48 hours of hospital discharge, time in sedentary behavior was associated with increased pain (β=0...
September 20, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37738277/virtual-assessment-as-a-way-to-reduce-help-seeking-barriers-in-older-adults-with-subjective-cognitive-decline
#9
JOURNAL ARTICLE
Michael R Kann, Peter J Zeiger, Sandra J Rizer, Stephanie Cosentino, Martina Azar
Subjective cognitive decline (SCD), a potential early marker for neurodegenerative disease such as Alzheimer's disease, is common among older adults. Although it is often regarded as a personal health concern, most individuals with SCD do not seek help from a health care professional. Help-seeking (HS) is a complex, individualized process with significant life-course implications, and older adults often face several barriers to HS across personal, socioeconomic, and cultural domains. The pandemic exacerbated these barriers by imposing additional limitations on in-person care...
September 19, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37698523/effect-of-neurotoxin-exposure-on-blood-biomarkers-of-neurodegeneration-and-alzheimer-disease
#10
JOURNAL ARTICLE
Carla R Schubert, Adam J Paulsen, A Alex Pinto, Richard J Chappell, Yanjun Chen, Luigi Ferrucci, Laura M Hancock, Karen J Cruickshanks, Natascha Merten
AIM: To determine whether exposure to neurotoxins in midlife is associated with changes in blood-based biomarkers of neurodegeneration and Alzheimer disease pathology. METHODS: Blood cadmium, lead, neurofilament light (NfL) chain, total tau (TTau), and amyloid beta (Aβ) 40 and Aβ42 concentrations were measured in 1516 participants in the Beaver Dam Offspring Study. Linear mixed-effect models were used to determine associations between baseline cadmium and lead levels and baseline NfL, TTau, and Aβ42/Aβ40, and 10-year change in concentrations using repeated measures of these biomarkers as the outcome...
September 13, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37695107/a-randomized-double-blind-study-to-assess-the-skin-irritation-and-sensitization-potential-of-a-once-weekly-donepezil-transdermal-delivery-system-in-healthy-volunteers
#11
JOURNAL ARTICLE
Marwan N Sabbagh, Philip Mathew, Alan Blau
BACKGROUND: A once-weekly donepezil transdermal delivery system (TDS; Adlarity; Corium, LLC) is indicated for the treatment of mild, moderate, and severe dementia of the Alzheimer type. METHODS: In this placebo-controlled, randomized, double-blind phase 1 trial, healthy volunteers aged 40 years or older were randomized to receive a placebo and donepezil TDS and were evaluated for the primary endpoints of skin irritation and sensitization potential. Skin irritation was scored...
September 11, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37615489/high-frequency-rtms-could-improve-impaired-memory-in-mild-cognitive-impairment-patients-in-china-a-randomized-controlled-study
#12
JOURNAL ARTICLE
Tao Wang, Zhiwei Guo, Hongxia Wu, Yi Jiang, Qiwen Mu
OBJECTIVE: The purpose of this study was to investigate the effects of repetitive transcranial magnetic stimulation (rTMS) on improving memory deficits in mild cognitive impairment (MCI), as well as to provide visualized evidence for neuronal specificity by using resting-state functional magnetic resonance imaging. MATERIALS AND METHODS: Forty MCI patients were enrolled to receive 10-session and sham-controlled 10Hz-rTMS over the left dorsolateral prefrontal cortex...
August 25, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37615480/predictors-of-cognitive-change-in-parkinson-disease-a-2-year-follow-up-study
#13
JOURNAL ARTICLE
Carmen Gasca-Salas, Sarah Duff-Canning, Eric McArthur, Melissa J Armstrong, Susan Fox, Christopher A Meaney, David F Tang-Wai, David Gill, Paul J Eslinger, Cindy Zadikoff, Fred J Marshall, Mark Mapstone, Kelvin L Chou, Carol Persad, Irene Litvan, Benjamin T Mast, Adam T Gerstenecker, Sandra Weintraub, Connie Marras
BACKGROUND: Mild cognitive impairment is common in Parkinson disease (PD-MCI). However, instability in this clinical diagnosis and variability in rates of progression to dementia raises questions regarding its utility for longitudinal tracking and prediction of cognitive change in PD. We examined baseline neuropsychological test and cognitive diagnosis predictors of cognitive change in PD. METHODS: Persons with PD, without dementia PD (N=138) underwent comprehensive neuropsychological assessment at baseline and were followed up to 2 years...
August 22, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561943/utility-of-amyloid-pet-imaging-in-a-memory-clinic
#14
JOURNAL ARTICLE
Alexandra Pletnikova, Hamid R Okhravi, Nimra Jamil, Mackenzie Kirby, Constantine G Lyketsos, Esther S Oh
There is greater interest in amyloid biomarker for the diagnosis of Alzheimer disease (AD) with the recent Food and Drug Administration approval of amyloid-targeted therapy. The goal of this study was to assess the clinical utility of amyloid positron emission tomography (PET) in clinically ambiguous cases of cognitive impairment by examining outcomes of patients enrolled in the Imaging Dementia-Evidence of Amyloid Scanning study at 2 academic institutions. Of the 112 patients in the study, 66.1% (n=74) of patients had a positive amyloid PET scan, and 33...
August 11, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561946/visuospatial-and-verbal-memory-differences-in-amish-individuals-with-alzheimer-disease-and-related-dementias
#15
JOURNAL ARTICLE
Michael B Prough, Andrew Zaman, Laura J Caywood, Jason E Clouse, Sharlene D Herington, Susan H Slifer, Daniel A Dorfsman, Larry A Adams, Reneé A Laux, Yeunjoo E Song, Audrey Lynn, Denise Fuzzell, Sarada L Fuzzell, Sherri D Miller, Kristy Miskimen, Leighanne R Main, Michael D Osterman, Paula Ogrocki, Alan J Lerner, Jeffery M Vance, Jonathan L Haines, William K Scott, Margaret Pericak-Vance, Michael L Cuccaro
BACKGROUND: Verbal and visuospatial memory impairments are common to Alzheimer disease and Related Dementias (ADRD), but the patterns of decline in these domains may reflect genetic and lifestyle influences. The latter may be pertinent to populations such as the Amish who have unique lifestyle experiences. METHODS: Our data set included 420 Amish and 401 CERAD individuals. Sex-adjusted, age-adjusted, and education-adjusted Z-scores were calculated for the recall portions of the Constructional Praxis Delay (CPD) and Word List Delay (WLD)...
August 2, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561937/education-as-a-moderator-of-help-seeking-behavior-in-subjective-cognitive-decline
#16
JOURNAL ARTICLE
Martina Azar, Silvia Chapman, Jillian Joyce, Maria Schultheis, Zoe Zhang, Leah Waltrip, Shaina Shagalow, Peter Zeiger, Preeti Sunderaraman, Stephanie Cosentino
OBJECTIVE: Disparities in Alzheimer disease (AD) and differences in help seeking (HS) across sociodemographic groups warrant public health concern. Research addressing such disparities must shift toward the earliest clinical manifestations of AD to optimize diagnosis, intervention and care planning. Subjective cognitive decline (SCD), a risk state for AD, provides an important context in which to examine sociodemographic-related disparities in HS. PARTICIPANTS AND METHODS: One hundred sixty-seven cognitively healthy older adults (Mage=73, Meducation=16) (26...
July 31, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561955/impaired-emotion-recognition-a-potential-marker-for-social-behavioral-problems-in-patients-with-amnestic-mild-cognitive-impairment-and-early-alzheimer-disease
#17
JOURNAL ARTICLE
Fijanne Strijkert, Rients B Huitema, Barbara C van Munster, Jacoba M Spikman
OBJECTIVE: Emotion recognition, an important aspect of social cognition, can be impaired already in early Alzheimer disease dementia and amnestic mild cognitive impairment (aMCI) and may underly social behavioral changes, which can increase caregiver burden. However, social behavior is difficult to assess in outpatient settings. We evaluated whether impaired emotion recognition is related to proxy-rated social behavioral problems and thus can serve as a marker of these changes. PATIENTS AND METHOD: Emotion recognition was assessed with Ekman 60 Faces Test (EFT-total, 6 separate emotions) in patients (n = 31 AD; n = 37 aMCI) and healthy controls (n = 60 HCs)...
July 24, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561950/psychosocial-and-behavioral-outcomes-for-persons-with-cognitive-impairment-and-caregivers-following-amyloid-%C3%AE-pet-scan-disclosure-a-systematic-review
#18
JOURNAL ARTICLE
Elyse Couch, Miriam T Ashford, Wenhan Zhang, Matthew Prina
BACKGROUND: Positron emission tomography (PET) scans for amyloid-β can aid in the early and accurate detection of Alzheimer disease. The results of amyloid PET scans could help people with cognitive impairment and caregivers better understand their diagnosis; however, there are concerns that they could also cause psychological harm. METHODS: A systematic review of psychosocial and behavioral quantitative outcomes following the disclosure of an amyloid PET scan for persons living with cognitive impairment (subjective cognitive decline, mild cognitive impairment, Alzheimer's Disease, and other dementias) and caregivers...
July 24, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561948/meta-analysis-of-animal-fluency-performance-in-amnestic-mild-cognitive-impairment-and-cognitively-unimpaired-older-adults
#19
JOURNAL ARTICLE
Vivek Sharma, Michael Malek-Ahmadi
Animal fluency is a commonly used neuropsychological measure that is used in the diagnosis of amnestic mild cognitive impairment (aMCI) and Alzheimer disease. Although most individuals with aMCI have clinically normal scores on this test, several studies have shown that aMCI individuals' performance is significantly lower than that of cognitively unimpaired (CU) individuals. The aim of this meta-analysis was to characterize the effect size of animal fluency performance differences between aMCI and CU individuals...
July 24, 2023: Alzheimer Disease and Associated Disorders
https://read.qxmd.com/read/37561952/dementia-prevalence-and-risk-factors-data-from-rural-tanzania
#20
JOURNAL ARTICLE
Caitlin Roe, Ssenku Safic, Lwitiko Mwaipopo, Catherine L Dotchin, Joanna Klaptocz, William Gray, Marcyella Joseph, Aimee Spector, Sarah Urasa, Richard W Walker
OBJECTIVES: The burden of dementia is increasing in sub-Saharan Africa (SSA), but there are limited epidemiological data on dementia in SSA. This study investigated the prevalence and associations of dementia in older adults (less than 60 y) attending the outpatient department of Mount Meru Hospital in Tanzania. METHODS: This one-phase cross-sectional study screened a sample using the Identification of Dementia in Elderly Africans (IDEA) cognitive screening tool...
July 10, 2023: Alzheimer Disease and Associated Disorders
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