The Orbitofrontal Cortex

question 2

Multiple Choice

The orbitofrontal cortex

• A)lies within the prefrontal cortex.
• B)seems to provide executive control in weighing values of alternative choices.
• C)has connections with the amygdala and striatum.
• D)all of the above

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Definitions:

Axon

The long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body.

Dendrite

A branched extension of a neuron that receives electrical impulses from other nerve cells.

Myelin Sheath

An insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord, made of protein and fatty substances, which allows electrical impulses to transmit quickly and efficiently along the nerve cells.

Absolute Refractory

A period immediately following the transmission of a nerve impulse when a neuron cannot be stimulated to transmit another impulse, regardless of the strength of the incoming signal.