Brainwaves and Their Functions

What are the electrical ups and downs generated by millions of neurons synchronizing in the brain called?

• Sound waves

• Chemical signals

• Brainwaves

• Muscle contractions

Which type of brain rhythm is typically produced during normal waking activity?

• Alpha rhythm

• Beta rhythm

• Delta rhythm

• Gamma rhythm

What important process do brainwaves help with during sleep?

• Controlling dreams

• Forming long-term memories

• Regulating body temperature

• Digesting food

How do brainwaves help different parts of the brain work together effectively?

• By increasing the brain's size

• By tuning different parts to the same frequency

• By creating new neurons

• By reducing blood flow