Exam 3: The Neuroscience of Behavior

A neuron with thousands of synapses is being bombarded with GABA and glutamate, among other neurotransmitters. Explain how these chemical signals will be averaged to determine whether the neuron should fire. For simplicity, focus on GABA and glutamate in your answer, ignoring the presence of other neurotransmitters.

Messages from the central nervous system are carried to muscles by

A major difference between motor neurons and sensory neurons is that motor neurons

Modern brain research has refuted Descartes's concept of the human mind by

Following a head injury, Maria experienced a dramatic personality change. She now gambles heavily, swears and yells at work, and has difficulty planning ahead. She most likely experienced damage to her

Jake has recently developed a disease that causes him to release too much testosterone. Compared with his behavior prior to developing the disease, his behavior now is likely to be

Collecting fMRI data

Five-year-old James had a brain tumor removed. Initially he had difficulty remembering words he had once known, but over time he regained much of his ability to speak coherently. This demonstrates the concept of neural _______.

Which technology enables researchers to temporarily inhibit a localized brain region, like a reversible brain lesion?

Which of these events occurs first during an action potential?

A _______ scan is likely to be used to _______ of healthy patients.

Debi just ran a marathon in less than four hours and felt no pain during the run. Her lack of pain was most likely due to

A scientist has inserted an electrode into the frontal lobe of a monkey. Electrical stimulation would most likely cause the monkey to

Which pair represents two distinct functional classes of neurons in the human nervous system?

After her stroke, Mei was able to hear, smell, and taste normally. However, she had difficulty with her vision. She most likely experienced damage to her

Positron emission tomography (PET) uses _______ to show how the brain works.

What evidence would be required to show there are mirror neurons for yawning in chimpanzees?

Otto Loewi electrically stimulated a nerve in a frog heart. He then applied fluid surrounding that heart to a second heart. In this experiment, he found evidence that

Key functions of the hypothalamus are

After a skydiving accident, an MRI showed damage to Rose's cerebellum. She is most likely to have difficulty with