Research Has Found That the Amount of Representation in the Motor

question 46

Multiple Choice

Research has found that the amount of representation in the motor cortex reflects the

• A) size of the body parts.
• B) degree of precise control required by each of the parts.
• C) sensitivity of the body region.
• D) area of the occipital lobe being stimulated by the environment.

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Definitions:

MEG

Magnetoencephalography, a non-invasive imaging technique used to measure the magnetic fields produced by neuronal activity in the brain.

Magnetic Fields

Invisible forces that exert a magnetic influence on moving electric charges, affecting the behavior of charged particles in the vicinity.

Electrical Signals

The method by which neurons communicate and transmit information through action potentials and synapses in the nervous system.

Radiochemicals

Radiochemicals are chemical compounds that are radioactive, often used in medical diagnostics, research, and nuclear industries.