Old age & the brain

What happens to neurons in the brain during teenage years?

• They disconnect from other neurons.

• They connect to tens of thousands of other neurons.

• They stop making new connections.

• They die off rapidly.

What does a healthy brain do as it ages?

• Loses neurons rapidly.

• Stops growing.

• Rewires itself and grows new neurons.

• Becomes inactive.

What is often the cause of memory and motor skill loss in the elderly without Alzheimer's?

• Aging

• Inactivity and lack of mental stimulation

• Genetic factors

• Poor diet

What is associated with aging due to common diseases?

• Increased brain activity

• Degenerative brain diseases

• Enhanced memory

• Improved motor skills

What is a common disease associated with aging?

• Diabetes

• Alzheimer's disease

• Heart disease

• Cancer

What is the main idea of Paragraph 1?

• Writing with your wrong hand is impossible.

• Learning happens because neurons in the brain grow stronger.

• The brain only develops during childhood.

• Writing skills are determined by age.

What does Paragraph 3 emphasize about a healthy brain in old age?

• It cannot form new neurons.

• It inevitably loses most brain cells.

• It can continue to rewire and grow neurons.

• It stops functioning without physical exercise.

What is the closest synonym for "stimulate" as used in the text?

• exercise

• strengthen

• activate

• inhibit

What is a synonym for "decline" in the context of the text?

• Growth

• Progress

• Deterioration

• Strength

What does "it" refer to in the sentence: “Without stimulation, it gradually dies”?

• muscle

• the brain

• a neuron

• memory