If a Retinal Cell Has a Center-Surround Receptive Field, Then

question 293

Multiple Choice

If a retinal cell has a center-surround receptive field, then that cell's rate of firing will increase the most when:

• A)no light falls in the center of the receptive field but light falls in the surround
• B)light falls in the center of the receptive field but no light falls in the surround
• C)equal amounts of light fall in both the center and the surround
• D)no light falls in either the center or the surround

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Definitions:

Convulsion

A sudden, violent, irregular movement of the body, caused by involuntary contraction of muscles, often a symptom of epilepsy.

Voltage

An electrical measurement that represents the potential difference or electromotive force between two points, essential for the flow of current.

Neuronal Activity

The electrical and chemical processes occurring within neurons that facilitate the transmission of information throughout the nervous system.

Hippocampus

A major component of the brain, playing critical roles in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation.