Exam (elaborations)
Chapter 19 Brain Rhythms and Sleep
- Course
- Neuroscience
- Institution
- Stanford University
Chapter 19 Brain Rhythms and Sleep
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Chapter Nineteen Brain Rhythms and Sleep1. The EEG is primarily used to help diagnose certain neurological conditions, especially
which of the following? Choose the correct option.
A) Abnormal heart rhythms
B) Schizophrenia
C) Brain tumors
D) The seizures of epilepsy
2. What part of the nervous system generates the fluctuations and oscillations of an
EEG?
Choose the correct option.
A) Individual cortical neurons
B) Dendrites of many pyramidal neurons in the cerebral cortex
C) Individual thalamic neurons
D) Axons of many thalamic neurons projecting to the cerebral cortex
3. Which of the following represents delta rhythms, the hallmark of deep sleep?
Choose the correct option.
A) Greater than 14 Hz
B) 8-13 Hz
C) Less than 4 Hz
D) 4-7 Hz
4. Which of the following represents Walter Freeman's idea that neural rhythms are used
to coordinate activity between regions of the nervous system? Choose the correct
option.
A) Most rhythms have no direct function but are by-products of neural connections.
B) Both sensory and motor systems of the awake brain are often synchronously
active. C) Feedback circuits are necessary for the cortex to function.
D) EEG rhythms provide a window on the functional states of the brain.
5. What brain structure is known to act as a powerful pacemaker for the cerebral cortex?
Choose the correct option.
A) Cerebellum
B) Midbrain
C) Brain stem
D) Thalamus
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