I need the answer as soon as possible The EEG signal represents the activity of : *The whole cortexSpecial region of the cortexO non of the above.

EEG A method to study the activity of brain.

Answered: The EEG signal represents the activity…

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter12: Electroencephalography And Emg Instrumentation

Section: Chapter Questions

Problem 4P

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Watch the video (http://openstaxcollege.org/l/2brains) titled The Man With Two Brains to see the neuroscientist Michael Gazzaniga introduce a patient he has worked with for years who has had his corpus callosum cut, separating his two cerebral hemispheres. A few tests are run to demonstrate how this manifests in tests of cerebral function. Unlike normal people, this patient can perform two independent tasks at the same time because the lines of communication between the right and left sides of his brain have been removed. Whereas a person with an intact corpus callosum cannot overcome the dominance of one hemisphere over the other, this patient can. If the left cerebral hemisphere is dominant in the majority of people, why would right-handedness be most common?
Excess neural connections within the brain are reduced through a process of accommodation. true or false
What part of the nervous system produces the currents and voltages visualized with an EEG ? Individual cortical neurons Axons of many thalamic neurons Dendrites of many pyramidal neurons
In the human brain, which of these structures in approximately 50% larger in females than in males? Group of answer choices Massa intermedia (interthalmic adhesion) Right side of the amygdala Arcurate fasciculus (fascia) Preoptic nucleus in the hypothalamus
Deep brain stimulation is a potential treatment for Parkinson’s disease. Into which nucleus are the electrodes be inserted? Select all that apply Substanita nigra Subthalamus Thalamus Caudate Globus pallidus interna Globus pallidus externa Putamen
In the sheep brain, the cerebellum is Anterior or Posterior (select the best answer) to the cerebral hemispheres. This is different than in the human brain, where the cerebellum is ventral or dorsal (select the best answer) to the cerebral hemispheres. The right or left (select the best answer) hemisphere controls the movement of the right arm.
Dr. Hibbert has a different drug that he would like to use to treat Parkinson’s disease. This drug promotes expression of the tyrosine hydroxylase gene. If he were to deliver this locally, what brain region should be target? Group of answer choices Substantia nigra pars compacta Striatum Thalamus Motor cortex
Immediately before falling asleep, the EEG waves shift to patterns of larger and slower brain waves called which of the following? Alpha. Beta. O Delta. Gamma.
If you begin an EEG recording of brain wave patterns a few hours before someone wakes up starting when they are in deep sleep, what is the most likely pattern of waves you’re going to see from deep sleep to waking? Beta, Theta, Theta interrupted by K-complexes, then Delta Delta, Theta interrupted by K-complexes, Theta, then Beta Theta interrupted by K-complexes, Delta, Theta, then Beta Beta, Theta interrupted by K-complexes, Theta, then Delta
What is (are) the most important route(s) for sensory information to reach the amygdala? Through a cortical route from ventral thalamus and a subcortical route from the dorso-medial thalamus Through the pulvinar thalamus to secondary cerebral cortex to association cerebral cortices Through the ventral thalamus to primary and secondary cerebral cortex to pulvinar d. Through primary and secondary cerebral cortices and the brainstem reticular formation
Explain the physiology of ascending pathways by placing each word or phrase into the blanks to complete the sentences. posterior horn tactile corpuscles spinoreticular tract primary somatosensory anterior horn spinothalamic tract contralateral ipsilateral prior to decussation A feather is rubbed over a section of skin on the palm of the hand, eliciting an action potential that was generated from neurons associated with Action potentials traveling in the posterior root reach the synapse with second order neurons located in the of the spinal cord. The transfer of electrical signals between first and second order neurons occurs Second order neurons ascend the spinal cord in the Arriving on the transferred to third order neurons. side of the thalamus, action potentials are Third order neurons arrive in the comprehension occurs. Reset cortex, where conscious
identify the structure on this posterior lateral view of the brain model

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The EEG signal represents the activity of : * The whole cortex O Special region of the cortex O non of the above.