Physical Sensation
Physical Sensation - Related Videos
11:32
Perspectives on Sensation and Perception
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University The study of sensation—how signals are transduced from sensory organs, like the eyes—and perception—how the brain interprets these messages—has a rich history dating back to the 19th century, when great strides were made in understanding the properties of light and how they relate to the visual system. Importantly, such sensory and perceptual processes determine what we see, feel, taste, and hear in our surroundings. However, many...
07:54
Design, Fabrication, and Administration of the Hand Active Sensation Test (HASTe)
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Cited by 1 •
2015
The Hand Active Sensation Test (HASTe) is a valid and reliable measure of haptic performance, which has been used successfully to identify impaired haptic touch in individuals with stroke. The purpose of this paper is to describe the design, fabrication and administration of the HASTe.
08:39
Operant Sensation Seeking in the Mouse
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Cited by 27 •
2010
In this protocol we describe a method of operant learning using sensory stimuli as a reinforcer in the mouse. It requires no prior training or food restriction, and it allows the study of motivated behavior without the use of a pharmacological or natural reinforcer such as food.
01:21
Sensation
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2024
Sensory receptors are specialized neurons that respond to specific types of external stimuli, initiating the process known as sensation. This occurs when sensory input, such as light entering the eye, is detected by these receptors, causing chemical changes in the cells of the retina. These cells then convert the sensory stimulus into action potentials that are transmitted to the central nervous system, a process termed transduction. Absolute thresholds can quantify the sensitivity of sensory...
07:28
A Protocol of Manual Tests to Measure Sensation and Pain in Humans
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Cited by 24 •
2016
The goal of this procedure is to demonstrate a battery of quantitative techniques for sensory and pain measurement in humans. The equipment and techniques described are commonly found in pain clinics or are easy to obtain.
FAQs
Specialized sensory receptors provide the first stage for registering changes in the body or surroundings, including pressure, temperature, tissue damage, and body position. Their responses create signals that can be transmitted through peripheral nerves and the central nervous system. This organization allows psychological research to relate particular sensory inputs to later interpretation, behavior, and experience.
Transmission connects detection with interpretation. Peripheral nerves carry signals away from sensory receptors, while the central nervous system participates in processing those signals so they can contribute to conscious experience. This pathway matters because sensation is not limited to receptor activity; its psychological significance depends on how incoming information is interpreted and linked with attention, emotion, or action.
These areas provide complementary ways to examine sensory processing. Research on touch, pain, proprioception, and interoception helps clarify how input from different sources contributes to experience and behavior. Considering them together gives psychology a broader basis for understanding sensory processing rather than focusing on one type of bodily or environmental signal alone.
Researchers examine how sensory input becomes conscious experience and how that experience affects psychological responses. The same general process connects incoming information with attention, emotion, and action, making it relevant beyond simple detection. Studying this transition helps explain how bodily and environmental signals can influence what people notice, feel, and do.
Research on physical sensation supports assessment by providing a framework for examining changes in sensory processing and perception. Work involving touch, pain, proprioception, and interoception can help identify how altered sensory input relates to experience. This perspective is relevant when psychological or clinical assessment needs to consider unusual, reduced, or otherwise changed perceptions.
Findings about sensory processing can contribute to approaches for managing discomfort and related disorders. Research clarifies how signals associated with tissue damage or other bodily changes are interpreted and experienced, while also connecting sensation with attention and emotion. That knowledge supports efforts to understand discomfort in psychological context rather than treating it as an isolated signal.