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A patient approaches a doctor with a problem that he was not able to sleep for the last 6 months. The doctor said that it may be due to the defect in the relay centre of his brain and advised him to take sedative pills. a) Which part of brain is described here as 'relay centre'? b) What are the actions of sedative pills in body?
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a) Solution: Thalamus is a part of the brain that is responsible for relaying sensory and motor signals to the cerebral cortex. It acts as a gatekeeper for all sensory information that enters the brain and filters out irrelevant information.
b) Solution: Sedative pills work in the Thalamus by preventing the transmission of impulses to the cerebrum. This causes a depression in brain activity which produces feelings of calmness, relaxation, drowsiness, and deep sleep.
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Question Text | A patient approaches a doctor with a problem that he was not able to sleep for the last 6 months. The doctor said that it may be due to the defect in the relay centre of his brain and advised him to take sedative pills.
a) Which part of brain is described here as 'relay centre'?
b) What are the actions of sedative pills in body?
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Topic | Neurobiology and behaviour |
Subject | Biology |
Class | Class 11 |
Answer Type | Text solution:1 |