Hyperpolarization of the Postsynaptic Nerve Terminal

question 10

Multiple Choice

Hyperpolarization of the postsynaptic nerve terminal

• A)increases the chance than an action potenetial will be initiated.
• B)decreases the chance than action potential will be initiated.
• C)is stimulated by an influx of calcium ions.
• D)does not affect the initiation of an action potential.
• E)none of the above

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Definitions:

Bottom-up Processing

A cognitive approach where processing starts with the sensory input, moving up to the higher levels of processing without preconceived cognitive theories.

Gestalt Theory

A psychological approach that emphasizes understanding the whole of anything is greater than its parts, focusing on patterns and context in perception.

Trichromatic Theory

A theory explaining how the human eye perceives colors through the response levels of three types of cones sensitive to blue, green, and red wavelengths.

Opponent Process

A theory in psychology and neuroscience that suggests the brain has mechanisms that operate to counterbalance the effects of activating one emotion by invoking an opposing emotion.