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Why Is It Difficult to Measure Background Extinction Rates

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Why is it difficult to measure background extinction rates?


Definitions:

Blood Flows

The continuous movement of blood through the circulatory system, delivering essential nutrients and oxygen to the body and removing waste products.

fMRI

Functional Magnetic Resonance Imaging, a non-invasive neuroimaging technique that measures brain activity by detecting changes associated with blood flow.

Brainstem

The lower part of the brain that connects the cerebrum with the spinal cord and controls basic life functions such as breathing, heart rate, and blood pressure.

Growing Tumor

An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should.

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