Antagonistic Center-Surround Organization Means That

question 18

Multiple Choice

 Antagonistic center-surround organization means that

• A) photoreceptors in the fovea will suppress input from photoreceptors in the periphery of the eye.
• B) photoreceptors in the periphery of the eye will suppress input from photoreceptors in the fovea.
• C) light falling on the center of a receptive field has the opposite effect than light falling on the surround.
• D) light falling on the center of a receptive field has the identical effect as light falling on the surround.

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Definitions:

Synaptic Vesicles

Small sacs in a synapse that release neurotransmitters into the synaptic cleft to transmit signals between neurons.

Neurons

Nerve cells specialized for transmitting electrical and chemical signals throughout the body and brain.

Synapse

a structure that permits a neuron (nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell.

Electrical Activity

The movements of charged particles, such as electrons, which can occur within a variety of systems, including the neural circuits in the body.