A Brain-Imaging Method Using Magnetic Fields to Measure the Release

question 151

Multiple Choice

A brain-imaging method using magnetic fields to measure the release of energy from water in biological tissues is called ________.

• A)electroencephalography (EEG)
• B)magnetic resonance imaging (MRI)
• C)positron emission tomography (PET)
• D)computed tomography (CT)

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Definitions:

Dopamine

A neurotransmitter involved in regulating mood, behavior, and cognitive functions and is crucial in the reward and pleasure systems of the brain.

Serotonin

A neurotransmitter that plays a key role in mood regulation, digestion, sleep, and other bodily functions.

Emotional Arousal

The state of being emotionally stimulated or excited, which can impact cognitive processes and physical responses.

Fight or Flee

A physiological response to perceived harmful events, attacks, or threats to survival, also known as the fight-or-flight response.