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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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LoveSick LoveSick
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9 years ago
Explain how sensory coding and processing allow the central nervous system to communicate information on the four properties of a stimulus.
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bio_manbio_man
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9 years ago
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Answer rejected by topic starter
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9 years ago
I believe the four properties are modality (nature), location , Intensity, and Duration of the Stimulus.
LoveSick Author
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9 years ago
Quote from: Properties (9 years ago)
I believe the four properties are modality (nature), location , Intensity, and Duration of the Stimulus.
Forgot to Log in >.<
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#4
9 years ago
nature, location, intensity, and duration
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9 years ago
Quote from: Meemzy (9 years ago)
nature, location, intensity, and duration

You wouldn't happen to have the answer to this?
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#6
9 years ago Edited: 9 years ago, Meemzy
no i dont!!
Post Merge: 9 years ago

The four properties of a stimulus are nature, location, intensity and duration.
Nature: this is where sensory neurons are activated and neurons terminate in the brain. Each receptor type is sensitive to a certain modality and the brain will associate a certain signal coming from a specific group with a specific modality. Labeled line coding is 1:1 association with receptor sensation.
Location: this is where stimulus is coded by where receptive fields are activated. However, auditory information is the exception. This is due to it being sensitive to different frequencies and timing and uses timing of receptor activation to determine location. Lateral inhibition increases the contrast between activated receptive fields and population coding uses multiple receptors functioning together.
Intensity: this is coded by the number of receptors that are activated and the frequency of action potentials.
Duration: This codes for the duration of action potentials and some receptors can adapt to cease to respond. Tonic receptors adapt slowly so it can be monitored consciously while phasic receptors adapt rapidly to ignore irrelevant information. This would be like players on a football field who ignore the chants of the crowd so they can focus more on the game which is what is consciously importan
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