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A brain wave is a recording of the Blank______ activity of the cells of the brain.Multiple choice question.electricalthermalpressurechemical

Question

A brain wave is a recording of the Blank______ activity of the cells of the brain.

Multiple choice question.

  • electrical
  • thermal
  • pressure
  • chemical
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Solution

The correct answer is electrical.

Explanation:

Brain waves refer to the electrical activity produced by the collective firing of neurons in the brain. This activity can be measured and recorded using an Electroencephalogram (EEG). The electrical impulses generated by the neurons communicate information throughout the brain and are categorized into different frequencies, which correspond to various states of consciousness, such as being awake, asleep, or in a meditative state.

  • Electrical activity: This is the primary type of activity recorded when measuring brain waves. Neurons transmit signals through electrical impulses.
  • Thermal, pressure, and chemical activities: While these may relate to brain functions in various ways (e.g., neurotransmitter activity, blood flow), they do not directly describe the nature of the brain waves themselves as recorded by EEG.

Hence, "electrical" is the most accurate choice to fill in the blank regarding brain wave activity.

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