An Individual Is in a Sleep Lab and You Are

question 275

Multiple Choice

An individual is in a sleep lab and you are trying to determine when she enters stage 4 sleep. What would you look for in the EEG tracings?

• A)Alpha waves
• B)Delta waves
• C)Beta waves
• D)Sleep spindles
• E)Theta waves

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Definitions:

Colour Constancies

The ability to perceive colors of objects, under varying lighting conditions, as being relatively constant even when the type of light changes.

Accommodate

To adjust actions or support needs, often making space or provisions for something.

Light Purity

A measure of the extent to which a light source emits a single wavelength, affecting the saturation of the perceived color.

Brightness

A perception of how luminous an object appears, depending on the amount of light it reflects or emits.