Sound Is Normally Produced from

question 89

Multiple Choice

Sound is normally produced from

• A)air moving down through the vocal cords.
• B)the epiglottis vibrating.
• C)air moving up through the vocal cords.
• D)All apply.

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Definitions:

Sensation

The process by which sensory receptors and the nervous system receive and represent stimulus energies from the environment.

Minimal Stimulus

The smallest level of stimulation that can be detected or that elicits a response from an organism.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time, delineating the boundary between detectable and undetectable sensations.

Difference Threshold

The minimal change in stimulation that an individual can detect 50% of the time, also known as the just noticeable difference (JND).