Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Watch this video (http://openstaxcollege.org/l/
basalnuclei2) to learn about the basal nuclei (also known
as the basal ganglia), which have two pathways that process information within the cerebrum. As shown in this video,
the indirect pathway is the longer pathway through the
system that results in decreased activity in the cerebral
cortex, and therefore less motor activity. The indirect
pathway has an extra couple of connections in it, including
disinhibition of the subthalamic nucleus. What is the end
result on the thalamus, and therefore on movement initiated
by the cerebral cortex?
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- Ms. Norris is brought to the emergency department with injuries to the posterior of her head resulting from a motor vehicle accident. Which lobes of the cerebrum likely sustained injuries? Predict the main signs and symptoms you will see resulting from the injury to these cerebral lobes?arrow_forwardUpper motoneurons which are often affected in MND are originate from the Primary motor cortex only Somatosensory motor cortex only Primary motor and pre motor cortices Pre motor cortex only Primary motor, pre motor and primary sensory corticesarrow_forwardNeuroscience: Basal Ganglia and Cerebellum 1) Describe the two additional pathways through the basal ganglia (hyper direct andindirect) 2) Describe the role of dopamine signaling in the basal ganglia Please provide pictures with your explanation. This should help me prepare for an upcoming exam. I need to understand what is going and I'm a visual person!!arrow_forward
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