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Related Concept Videos

Primary Healthcare Services01:30

Primary Healthcare Services

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Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
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Levels of Health Promotion and Illness Prevention01:26

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Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Healthcare Agencies II01:17

Healthcare Agencies II

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There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
Parish nursing is a growing specialty nursing profession that focuses on holistic healthcare, health promotion, and illness prevention. It blends professional nursing practice with a health ministry, focusing on health and healing within the context of a Christian community. Parish nurses serve as health educators, referral sources,...
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Methods Of Healthcare Delivery System01:26

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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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Public Health.

Poluri Manaswini1, Sajjad Shaik1, Debanjali Bhattacharya1

  • 1Amrita Vishwa Vidyapeetham, Bengaluru, Karnataka, India.

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Summary
This summary is machine-generated.

Electroencephalography (EEG) analysis identified distinct brainwave power alterations in Alzheimer's Disease (AD) and Frontotemporal Dementia (FTD) patients. These localized neural activity changes serve as potential biomarkers for differentiating these neurodegenerative conditions.

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Area of Science:

  • Neuroscience
  • Biomarker Discovery
  • Cognitive Decline Research

Background:

  • Electroencephalography (EEG) signal analysis is crucial for understanding cognitive decline in neurodegenerative disorders such as Alzheimer's Disease (AD) and Frontotemporal Dementia (FTD).
  • Identifying neural biomarkers is essential for early diagnosis and effective management of these conditions.
  • Disease-specific alterations in brain activity and affected regions require detailed investigation.

Purpose of the Study:

  • To identify neural biomarkers for Alzheimer's Disease (AD) and Frontotemporal Dementia (FTD).
  • To analyze EEG channels, brainwave dynamics, and power variations independently.
  • To provide insights into disease-specific alterations in brain activity and affected brain regions.

Main Methods:

  • Analysis of power variations across 19 EEG channels using the OpenNeuro dataset.
  • Independent sample t-tests to compare band power differences between AD, FTD, and healthy control (HC) subjects.
  • Assessment of channel-specific power alterations in various brainwave bands (alpha, beta, theta, delta, gamma).

Main Results:

  • Significant differences in brainwave patterns and channel-specific power were observed across AD, FTD, and HC groups.
  • Reduced alpha wave power in posterior channels (Pz, POz, O1) was noted in AD and FTD patients, indicating degeneration in higher-order cognitive regions.
  • Significant alterations in beta waves were found in frontal and central channels, while theta waves showed changes in frontal and central regions, consistent with cognitive impairment.

Conclusions:

  • EEG analysis effectively reveals localized neural activity changes in specific brain regions affected by AD and FTD.
  • Brainwave dynamics and channel-specific power variations can serve as valuable biomarkers for distinguishing neurodegenerative conditions from healthy brain function.
  • This study highlights the potential of EEG in identifying disease-specific neural signatures for improved diagnostic capabilities.