Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

520
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
520
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

299
Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
299
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

364
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
364
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

436
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
436
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

652
Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
652
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

437
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
437

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Alzheimer's disease neuroimaging signature aids identification of cognitive impairment in older adults with early-onset epilepsy.

medRxiv : the preprint server for health sciences·2026
Same author

APOE ε4 and amyloid status moderate the associations between sleep, physical activity, and tau-PET burden in cognitively unimpaired older adults.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same author

Editorial: The role of neurogenesis in cognitive decline during aging.

Frontiers in genetics·2026
Same author

PARP1 deficiency mitigates amyloid pathology, neurodegeneration, and cognitive decline in a familial Alzheimer's disease model.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Modulating the default mode network with deep TMS: a proof-of-concept framework with potential relevance to circuits implicated in lack of awareness of cognitive decline.

Frontiers in aging neuroscience·2026
Same author

AT(N) Framework in Older Adults with Epilepsy: Plasma Biomarkers and Associations with Demographic, Clinical, and Cognitive Features.

medRxiv : the preprint server for health sciences·2026
Same journal

Evidence for progressive neurodegeneration in iatrogenic cerebral amyloid angiopathy.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Human brain connectome profiles mediate the relationship between pathology burden and clinical phenotypes in Alzheimer's disease.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Kat5 cKO mouse replicates biological domain signatures associated with Alzheimer's disease.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Evaluation of CSF and plasma tau species as fluid surrogate candidates for tau PET in prodromal to moderate Alzheimer's disease.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Associations of self-reported obstructive sleep apnea with cognition and dementia risk in cognitively unimpaired middle-aged adults.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Inflammation profiles in Alzheimer's disease relate to cognition and neurodegeneration.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jan 7, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

16.4K

Manifestaciones Clínicas

Bradley J Dixon1, John L Woodard1, Lynn M Bekris2

  • 1Wayne State University, Detroit, MI, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
PubMed
Resumen
Este resumen es generado por máquina.

El rendimiento en las pruebas neuropsicológicas, específicamente el recuerdo diferido, puede predecir cambios en los biomarcadores de la enfermedad de Alzheimer, como las proporciones de tau y amiloide en el líquido cefalorraquídeo (LCR). Estos hallazgos sugieren un potencial para la detección temprana del riesgo de Alzheimer.

Palabras clave:
enfermedad de Alzheimerbiomarcadoresrendimiento neuropsicológicorecuerdo diferidolíquido cefalorraquídeotauamiloidedetección tempranaenvejecimiento cognitivoneurociencia

Más Videos Relacionados

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
04:44

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

20.7K
Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
09:08

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

Published on: October 14, 2021

6.1K

Videos de Experimentos Relacionados

Last Updated: Jan 7, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

16.4K
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
04:44

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

20.7K
Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
09:08

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

Published on: October 14, 2021

6.1K

Área de la Ciencia:

  • Neurociencia
  • Investigación de biomarcadores
  • Envejecimiento cognitivo

Sus antecedentes:

  • El rendimiento en las pruebas neuropsicológicas es un predictor de la conversión a la enfermedad de Alzheimer (EA).
  • Pocos estudios han relacionado el rendimiento neuropsicológico con los biomarcadores de la EA.
  • La detección temprana de la patología de la EA requiere medidas cognitivas sensibles.

Objetivo del estudio:

  • Investigar la relación entre los cambios en el rendimiento de las pruebas neuropsicológicas y los biomarcadores de la enfermedad de Alzheimer.
  • Determinar si los cambios cognitivos predicen cambios en los biomarcadores o viceversa.

Principales métodos:

  • 137 adultos mayores sanos se sometieron a pruebas neuropsicológicas basales y recolección de líquido cefalorraquídeo (LCR).
  • Los participantes fueron reevaluados dos años después.
  • Un modelo bivariado de puntuación de cambio latente analizó las relaciones longitudinales entre el recuerdo diferido de la prueba de aprendizaje verbal auditivo Rey (RAVLT) y las proporciones de LCR t-tau/Aβ1-42 y p-tau181/Aβ1-42.

Principales resultados:

  • Las puntuaciones basales de recuerdo diferido predijeron negativamente un cambio de dos años en la relación LCR t-tau/Aβ1-42.
  • La relación basal de LCR p-tau181/Aβ1-42 predijo negativamente un cambio de dos años en las puntuaciones de recuerdo diferido.
  • Estas asociaciones sugieren relaciones predictivas bidireccionales entre el rendimiento cognitivo y los biomarcadores de EA.

Conclusiones:

  • El rendimiento neuropsicológico, particularmente el recuerdo diferido, es sensible a los cambios en los biomarcadores de la EA.
  • Ciertos biomarcadores de la EA pueden predecir cambios en el rendimiento cognitivo.
  • Las tareas de recuerdo diferido pueden servir como herramientas de detección prácticas para estudios de intervención temprana en personas con alto riesgo de EA.