Neurons in the Brain That Carry Messages from One Neuron

question 351

Multiple Choice

Neurons in the brain that carry messages from one neuron to another and do most of the work of the nervous system are called __________.

• A) afferent neurons
• B) active neurons
• C) efferent neurons
• D) interneurons

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Definitions:

PET Scans

Positron Emission Tomography scans, a type of imaging test that allows doctors to check for diseases in the body by using a special dye containing radioactive tracers.

fMRI

Functional Magnetic Resonance Imaging, a technique for measuring and mapping brain activity by detecting changes associated with blood flow.

Broca's Aphasia

A condition resulting from damage to the Broca's area of the brain, characterized by impaired speech production while understanding of language remains relatively intact.

Speech

The verbal expression of thoughts and feelings through articulated sounds.