Results: 64

Spatial orientation tasks show moderate to high accuracy for the diagnosis of mild cognitive impairment: a systematic literature review

Arq. neuropsiquiatr; 78 (11), 2020
Abstract Spatial disorientation has been observed in mild cognitive impairment (MCI) and is associated with a higher risk of progression to Alzheimer's disease (AD). However, there is no gold standard assessment for spatial orientation and paper-and-pencil tests lack ecological validity. Recently, there ...

Early diagnosis and treatment of Alzheimers disease: new definitions and challenges

The prevalence of Alzheimer's disease (AD), a progressive neurodegenerative disorder, is expected to more than double by 2050. Studies on the pathophysiology of AD have been changing our understanding of this disorder and setting a new scenario for drug development and other therapies. Concepts like the ...

Accuracy of the semantic fluency test to separate healthy old people from patients with Alzheimers disease in a low education population

J. bras. psiquiatr; 69 (2), 2020
OBJECTIVE: Evaluate the accuracy of two semantic categories of the verbal fluency test (supermarket and animal categories) to separate healthy elderly individuals and lower educated Alzheimer’s disease patients. METHODS: We evaluated 69 older adults with less than 5 years of schooling, consisting of 31...

Brazilian version of the European Cross-Cultural Neuropsychological Test Battery (CNTB-BR): diagnostic accuracy across schooling levels

Objective: To translate, establish the diagnostic accuracy, and standardize the Brazilian Portuguese version of the European Cross-Cultural Neuropsychological Test Battery (CNTB) considering schooling level. Methods: We first completed an English-Brazilian Portuguese translation and back-translation of ...

Air pollution: Health effects

Med. leg. Costa Rica; 37 (1), 2020
Abstract Background: Air contamination happens when unsafe or inordinate amounts of substances including gases, particles, and organic atoms are brought into Earth's climate. Objective: This review article defines air pollution, describes the types of pollutants, enumerates the various causative fact...

Psychometric properties of Cognitive Instruments in Vascular Dementia and Alzheimer's disease: a neuropsychological study

Clinics; 75 (), 2020
OBJECTIVES: To describe elderly performance in the Bender Gestalt Test (BGT) and to discriminate its score by using types of errors as comparison among healthy controls, Alzheimer's disease (AD) patients, and vascular dementia (VD) patients. METHODS: We performed a cross-sectional analysis of 285 elderl...

The neurogenic effects of rosmarinic acid in a mouse model of type 2 diabetes mellitus

There is emerging evidence for a dysregulation of insulin signaling in the brains of patients with Alzheimer's disease (AD) with overlapping molecular features to Type 2 Diabetes Mellitus (T2DM). In addition, T2DM is a known risk factor of AD. The goal of this study was to investigate the neurogenic and ...

Prevalence of dementia in patients seen at a private hospital in the Southern Region of Brazil

ABSTRACT Objective To evaluate the epidemiological profile of patients seen at a dementia outpatient clinic. Methods A retrospective study conducted by medical record review searching data on sex, race, age, schooling level, and diagnosis of patients seen from 2008 to 2015. Results A total of 760 p...