Brain Imaging
What does an fMRI scan measure?
A) Electrical activity
B) Blood flow & oxygen levels
C) Neurotransmitter release
D) Reflex responses
B) Blood flow & oxygen levels
What does EEG measure?
A) Electrical activity
B) Blood flow
C) Brain structure
D) Neurotransmitters
A) Electrical activity
What is the primary goal of lesion studies?
A) To measure brain blood flow
B) To identify neurotransmitter levels
C) To determine the function of brain areas
D) To diagnose mental disorders
C) To determine the function of brain areas
Which research method involves inserting electrodes into a neuron?
A) PET
B) Single-Unit Recording
C) MRI
D) EEG
B) Single-Unit Recording
True or False: PET scans provide real-time images of the brain.
False (PET scans show glucose metabolism over time, not instant activity)
Which brain imaging method exposes the patient to radiation?
A) EEG
B) PET Scan
C) fMRI
D) TMS
B) PET Scan
What happens when TMS is applied to the motor cortex?
A) The person sees colors
B) The person's muscles twitch
C) The person loses consciousness
D) The person feels pain
B) The person's muscles twitch
Which famous case study provided insight into personality and the frontal lobe?
A) Henry Molaison (H.M.)
B) Phineas Gage
C) Broca's Patient
D) Sperry's Split Brain
B) Phineas Gage
Why do researchers often use animal models in neuroscience?
A) To study brain functions without ethical concerns
B) Because animal brains are identical to human brains
C) To perform experiments not possible in humans
D) Because animal brains are larger
C) To perform experiments not possible in humans
True or False: The thalamus plays a key role in relaying sensory information to the brain.
True
What is one advantage of MRI over CT scans?
A) MRI has better spatial resolution
B) MRI uses less radiation
C) MRI measures electrical activity
D) MRI detects neurotransmitters
A) MRI has better spatial resolution
Which technique is used to measure sleep stages?
A) fMRI
B) EEG
C) PET
D) Lesion Studies
B) EEG
If the hippocampus is damaged, what is the likely outcome?
A) Loss of motor skills
B) Difficulty forming new memories
C) Increased aggression
D) Loss of speech
B) Difficulty forming new memories
Which of these is NOT an advantage of fMRI?
A) Non-invasive
B) High spatial resolution
C) Provides real-time brain activity
D) No radiation exposure
C) Provides real-time brain activity