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Related Concept Videos

Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

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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...
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Sensory Modalities01:15

Sensory Modalities

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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...
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Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Sensory Functions of the Skin01:16

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The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
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Parallel Processing01:20

Parallel Processing

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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

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Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
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Sensory Processing in People Experiencing Homelessness in Spain: A Pilot Study.

Alicia Cal-Herrera1, Berta Gándara-Gafo2, Ariadna Corbella-González1

  • 1INPRO (Research in Occupational Participation and Performance), Department of Health Sciences, European University Miguel de Cervantes, 47012 Valladolid, Spain.

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PubMed
Summary

People experiencing homelessness exhibit distinct sensory processing patterns, including higher scores in low registration, sensory sensitivity, and sensation avoiding. These findings highlight the need for tailored interventions to address their unique needs.

Keywords:
homelessnessmental healthoccupational therapysensory modulationsensory profilesensory reactivity

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Area of Science:

  • Occupational Therapy
  • Psychology
  • Public Health

Background:

  • People experiencing homelessness (PEH) face challenging environments and social exclusion, potentially impacting information processing.
  • High rates of mental illness among PEH are noted, but a link to sensory processing issues remains unexplored.

Purpose of the Study:

  • To analyze and characterize sensory processing patterns in people experiencing homelessness.
  • To identify potential differences in sensory processing compared to a general population.

Main Methods:

  • A descriptive cross-sectional study involving 150 participants experiencing homelessness.
  • Utilized the Adult/Adolescent Sensory Profile and a sociodemographic questionnaire.
  • Participants aged 18-64 were assessed.

Main Results:

  • PEH demonstrated significantly higher scores in low registration (M=36.9), sensory sensitivity (M=41.1), and sensation avoiding (M=45.5) compared to controls (p < 0.001).
  • These elevated scores suggest a unique sensory processing profile within the homeless population.

Conclusions:

  • Sensory processing differences in PEH may stem from chronic stress, unpredictable environments, and mental health conditions.
  • Person-centered interventions should consider these sensory characteristics to reduce isolation and enhance occupational participation.