In 1937,the Primary Motor Cortex Was Mapped by Electrically Stimulating

question 77

Multiple Choice

In 1937,the primary motor cortex was mapped by electrically stimulating the cortex of conscious human patients who were undergoing neurosurgery.This was accomplished by

• A) Hebb.
• B) Pinel.
• C) Jackson.
• D) Penfield and Boldrey.
• E) Sperry.

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Definitions:

Cardiac Muscle

Muscle tissue found only in the heart, characterized by its ability to contract involuntarily and rhythmically.

Tetanic Contractions

Sustained muscle contractions that occur when the muscles do not relax between stimuli, leading to a smooth and steady contraction.

Depolarization

The process in which a cell's membrane potential becomes less negative, leading towards an action potential in nerve and muscle cells.

Heart Rate

is the number of heartbeats per unit of time, usually per minute, indicating cardiovascular fitness and overall health.