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Related Concept Videos

What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Sensory Modalities01:15

Sensory Modalities

Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
Documentation in Long-Term and Home Healthcare Setting01:29

Documentation in Long-Term and Home Healthcare Setting

Documentation in long-term care facilities and home healthcare settings is crucial for ensuring continuous, coordinated, and comprehensive care for patients. Each setting has its specific documentation processes and tools:
Long-Term Care Facilities
Introduction to Sensory Receptors01:31

Introduction to Sensory Receptors

Sensory receptors are vital in our ability to perceive and interpret the world. Sensory receptors are specialized cells in the peripheral nervous system that respond to various stimuli and enable one to experience different sensations. Based on specific criteria, sensory receptors are classified into distinct types.
The first classification criterion is based on cell type, position, and function. Some receptor cells are neurons with free nerve endings, where their dendrites are embedded in the...
Introduction to Special Senses01:26

Introduction to Special Senses

Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive functions.

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Related Experiment Video

Updated: May 25, 2026

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
11:21

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Published on: July 27, 2018

Towards smart homes using low level sensory data.

Asad Masood Khattak1, Phan Tran Ho Truc, Le Xuan Hung

  • 1OS Lab, Department of Computer Engineering, Kyung Hee University, Yongin-Si, 446-701, Korea. asad.masood@oslab.khu.ac.kr

Sensors (Basel, Switzerland)
|January 17, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a Human Activity Recognition Engine (HARE) for ubiquitous life care (u-Life care). HARE uses heterogeneous sensors and cloud processing to accurately monitor patient activities, enabling low-cost, high-quality healthcare services.

Keywords:
accelerometeractivity recognitionlocation sensoru-healthcarevideo sensor

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Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
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Area of Science:

  • Health Informatics
  • Artificial Intelligence
  • Sensor Technology

Background:

  • Ubiquitous Life Care (u-Life care) aims for high-quality, low-cost services.
  • Real-time patient activity monitoring is crucial for spontaneous and robust healthcare.
  • Existing life care systems lack reliability and accuracy.

Purpose of the Study:

  • To present a Human Activity Recognition Engine (HARE) for improved healthcare delivery.
  • To develop a system for intelligent processing of real-time patient activities using heterogeneous sensors.
  • To demonstrate low-cost, high-quality care through accurate activity recognition.

Main Methods:

  • Utilized heterogeneous sensor technology (video, wearable, location-based) for activity recognition.
  • Developed a Human Activity Recognition Engine (HARE) for intelligent processing on a Cloud platform.
  • Employed ontology and patient profile information for inferring higher-level activities and decision-making.

Main Results:

  • Experimental results demonstrated good accuracy for all activity recognition components compared to existing techniques.
  • The system successfully identified low-level activities from raw sensor data.
  • Ontology-based manipulation inferred higher-level activities and enabled patient-specific decision-making.

Conclusions:

  • The presented Human Activity Recognition Engine (HARE) offers a reliable and accurate solution for ubiquitous life care.
  • Cloud-based intelligent processing of heterogeneous sensor data enhances healthcare delivery.
  • The system provides a foundation for cost-effective, high-quality patient monitoring, particularly for conditions like Alzheimer's disease.