Q: Which of the following equations best represents the relationship between the Blood Oxygen Level Dependent (BOLD) signal and neural activity in fMRI?

$$BOLD \propto \text{Neural Activity}$$

Question 1

Which of the following best describes the function of the corpus callosum in the brain?

Accepted Answer

It connects the two hemispheres of the brain, allowing communication between them.

Question 2

A patient suffers a stroke that damages the left hemisphere of their cerebral cortex. Which of the following deficits is most likely to occur?

Accepted Answer

Difficulty with language and mathematical abilities

Question 3

Which brain imaging technique is best suited for measuring rapid changes in brain activity over time, but has poor spatial resolution?

Accepted Answer

Electroencephalogram (EEG)

Question 4

The somatic nervous system is primarily responsible for:

Accepted Answer

Transmitting sensory information and controlling movement of skeletal muscles

Question 5

Which of the following structures is NOT part of the central nervous system (CNS)?

Accepted Answer

Somatic nervous system

Question 6

A researcher wants to study the structure (shape and size) of a patient’s brain after a traumatic brain injury. Which imaging technique should they use?

Accepted Answer

Computed Tomography (CT)

Question 7

Which of the following best explains the concept of contralateral organization in the brain?

Accepted Answer

Each hemisphere of the brain controls the opposite side of the body.

Question 8

Which of the following is a key difference between structural and functional brain imaging techniques?

Accepted Answer

Structural imaging provides information about the shape and size of brain regions, while functional imaging shows areas of activation during tasks.

Question 9

A patient is unable to recognize familiar faces, a condition known as prosopagnosia. Which area of the brain is most likely damaged?

Accepted Answer

Fusiform gyrus in the temporal lobe

Question 10

Which of the following best describes the function of the thalamus?

Accepted Answer

It acts as a relay station, interpreting and transmitting sensory information to the cortex.

Question 11

If a person has damage to their reticular formation, which of the following symptoms are they most likely to experience?

Accepted Answer

Problems with arousal and alertness

Question 12

Which of the following equations best represents the relationship between the Blood Oxygen Level Dependent (BOLD) signal and neural activity in fMRI?

Accepted Answer

$$BOLD \propto 	ext{Neural Activity}$$

Question 13

Which of the following is a primary function of the cerebellum?

Accepted Answer

Coordinating voluntary movements and balance

Question 14

A neuroscientist is interested in mapping the white matter tracts in the brain. Which imaging technique should they use?

Accepted Answer

Diffusion Tensor Imaging (DTI)

Question 15

Which of the following best describes the main function of the autonomic nervous system?

Accepted Answer

Controlling involuntary body functions such as heart rate and digestion

Question 16

Which of the following statements about event-related potentials (ERPs) is correct?

Accepted Answer

ERPs are derived from EEG and reflect specific changes in brain activity in response to events.

Question 17

A patient with damage to the hippocampus would most likely experience which of the following symptoms?

Accepted Answer

Problems forming new memories

Question 18

Which of the following best explains why fMRI is considered to have good spatial resolution but relatively poor temporal resolution?

Accepted Answer

fMRI can localize brain activity to specific regions but cannot measure rapid changes in activity.

Question 19

Which of the following is a correct sequence of information flow in the nervous system?

Accepted Answer

Peripheral nervous system → Central nervous system → Muscles/glands

Question 20

Which of the following best describes the main difference between gyri and sulci in the cerebral cortex?

Accepted Answer

Gyri are ridges and sulci are grooves.

Biological Psychology II: Nervous System Structure, Organization, and Brain Imaging

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