Neuroplasticity and Brain Recovery Quiz

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What kind of sensations can occur in a phantom limb?

Only intense pain

Both tingling and intense pain (correct)

Only tingling sensations

Neither tingling nor pain

Which body part can a phantom sensation spread to during sexual arousal?

Genitals (correct)

Ears

Fingers

Toes

How can painful phantom sensations be relieved?

By learning to use an artificial limb (correct)

By focusing on the sensation

By ignoring the sensation

By taking pain medication

What happens when a person loses peripheral vision?

They start to move their head from side to side Signup and view all the answers

What happens to the brain areas after decades without normal input?

They retain their original properties Signup and view all the answers

What can cause damage to the sensory nerves from a forelimb to the spinal cord?

A spinal cord injury Signup and view all the answers

What effect do cannabinoids (marijuana) have on the brain after a stroke?

They decrease the release of glutamate. Signup and view all the answers

What is one evolutionary explanation for human goosebumps?

They are a remnant of a protective mechanism from our hairy ancestors. Signup and view all the answers

How can serum albumin help reduce morbidity in patients with acute stroke?

By reducing the volume of infarct and edema. Signup and view all the answers

What is the role of astrocytes in scar tissue?

They release chemicals that keep nearby neurons alive. Signup and view all the answers

What is the relationship between the frontal parts of the brain and impulse control?

The frontal parts of the brain inhibit impulses. Signup and view all the answers

What role does the entorhinal cortex play in relation to the hippocampus?

It sends input to the hippocampus. Signup and view all the answers

What happens when axons from the entorhinal cortex of one hemisphere are damaged?

Axons from the other hemisphere sprout and take over vacant synapses, restoring behavior. Signup and view all the answers

What occurs when the entorhinal cortex is damaged in both hemispheres?

Axons from other locations sprout, conveying different information, interfering with behavior. Signup and view all the answers

What is denervation supersensitivity, and how does it help compensate for decreased input?

It is a process where receptors become more sensitive to a neurotransmitter due to decreased input. Signup and view all the answers

What happens when axons to the muscles of the eye regenerate but attach incorrectly?

Both b and c are correct. Signup and view all the answers

What happens to cortical information that previously responded to information from a specific finger after amputation?

It is lost after amputation. Signup and view all the answers

What is responsible for pain in the context of treatments that facilitate the regrowth of axons in a damaged spinal cord?

All of the above. Signup and view all the answers

Neuroplasticity and Brain Recovery Quiz

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