Melatonin's Actions May Include

question 29

Multiple Choice

Melatonin's actions may include

• A)regulation of circadian rhythms
• B)antioxidant activity
• C)induction of calcium reabsorption
• D)both a and b
• E)none of the above

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Definitions:

Figure-Ground Separation

The visual ability to distinguish an object (the figure) from its surrounding background (the ground).

Feature Detectors

Neurons in the retina or brain that respond to specific attributes of the stimulus, such as movement, orientation, and so on.

Line Orientation

The direction in which a line or linear object points or aligns within a visual field or specified space.

Stimulus

is any event or situation that evokes a response from an organism in the environment.