Cross Modal Sensations
Cross Modal Sensations - 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
The brain weighs whether signals occur together, appear to come from the same place, and convey compatible meaning. Signals that align on these dimensions are more likely to be combined into a coherent percept, whereas mismatched information may have less influence on one another. This comparison helps explain why multisensory perception depends on relationships among cues rather than on isolated sensory inputs.
Attention determines which sensory information receives priority, while expectation prepares perception for likely combinations of cues. Learned associations can also link signals that repeatedly occur together, allowing one modality to influence interpretation of another. Consequently, the same sensory input may produce different experiences depending on what a person attends to, anticipates, or has previously learned.
Visual speech cues can alter the sound a listener reports hearing, showing that seeing a mouth movement can affect auditory interpretation. Similarly, visual information can change perceived flavor, even when the taste-related input remains the same. These examples demonstrate that the experienced percept can reflect combined sensory evidence rather than the contribution of only one sense.
They provide evidence that perception is not organized into completely independent sensory channels. Studying these interactions allows psychologists to examine how the brain constructs experience from multiple sources and how that construction changes across contexts. The topic also offers a framework for investigating synesthesia and sensory processing disorders, where relationships among sensory experiences may be especially informative.
A study can present information through one modality alone, through another modality alone, and through both together, then compare the resulting perceptual reports. Researchers can focus on whether timing, location, or meaning changes the combined experience and can also examine the effects of attention or expectation. This approach identifies when one sensory signal changes interpretation of another.
In communication research, they help explain how visual speech information contributes to what people hear. In consumer behavior, they help examine how visual cues influence perceived flavor and related sensory judgments. These applications show that perception can affect how people interpret messages and products, because experiences may depend on coordinated information across several modalities.
Because the framework examines how the brain combines sound, vision, touch, taste, and smell, it can help researchers study differences in multisensory processing. Comparing how people respond to coordinated or conflicting cues may clarify how sensory information is integrated. This makes cross-modal research relevant to psychological investigations of sensory processing disorders as well as typical perception.