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24 March, 00:54

Information from higher brain regions is transmitted to the medulla through the

A. corpus callosum. B. hippocampus. C. angular gyrus. D. thalamus.

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  1. 24 March, 01:00
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    D. thalamus.

    Explanation:

    Thalamus, which is a part of the intermediate brain, is a walnut-sized nerve tissue. It is located in the middle part of the human brain. All sensory organs except the sense of smell is located in the thalamus. Behavior for performing a specific job is shaped here. It receives sensory information from brain stem and optic nerves and transmits it to higher brain regions. The outer appearance of the thalamus resembles two bulbs standing side by side. It consists of two identical pieces and the length of each piece is approximately 6 cm. Thalamus occurs in the early stages of embryonic development due to its effect on the senses. The embryo that does not develop in the thalamus region cannot survive. In the same way, a person who suffers damage to the thalamus region will die in a short time. One of the most important features of thalamus is the filter feature on the senses. This feature allows us to classify our feelings according to their importance. It puts the less important senses in the background while highlighting the important ones. In this way, we can concentrate on what we do. The thalamus is one of the most primitive parts of the brain and has a constructive effect on primitive behavior. Behaviors such as anger, fear and violence are controlled by the thalamus. Therefore, damage to this organ to affect these senses may cause psychological disorders. The thalamus controls primitive behaviors and secretes hormones of the adrenaline type resulting from primitive behaviors. The reason for this is to maximize the functionality of the body and to escape from a dangerous environment without harm. When the body encounters a dangerous situation, its movements are restricted by the thalamus. The reason for this is that the person does not act in fear. For example, most people cannot act with fear when they encounter snake species. This is related to the effects of thalamus on primitive emotions.
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