The signals from our sense of smell do not pass through the thalamus and instead go more directly to the limbic system.
The thalamus is a small structure located just above the brain stem with the function of relaying motor and sensory signals. The thalamus works in conjunction with the cerebral cortex, to whom it relays said signals, which explains its location in between the cerebral cortex and the midbrain. It is able to carry out these functions due to a network of nerves that connects it to its neighboring structures.
The limbic system is a group of neural structures that serve to:
- Process and regulate emotions
- Form and store memories
- Control sexual urges
- Participate in the process of learning
The signals from our sense of smell do not pass through the thalamus. They instead travel down their corresponding sensory nerve, the first cranial nerve known as the olfactory nerve, and go more directly to the limbic system.
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