Afferent Fibers from the Periphery Carry Nociceptive Information to the Dorsal

question 23

Multiple Choice

Afferent fibers from the periphery carry nociceptive information to the dorsal horn neurons, whose axons immediately

• A) ascend to the brainstem where pain information crosses the midline before synapsing in the thalamus.
• B) cross the midline and then ascend.
• C) directly stimulate the cingulate cortex.
• D) cross the midline and terminate in the midbrain, which them mediates vocalizations, perception, and other pain-related behaviors.

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Economists Milton Friedman and Edmund Phelps, known for their work on the natural rate of unemployment and the expectations-augmented Phillips curve.

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