transmission
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major reference
- In nervous system: Transmission of information in the nervous system
In the nervous system of animals at all levels of the evolutionary scale, the signals containing information about a particular stimulus are electrical in nature. In the past the nerve fibre and its contents were compared to metal…
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nervous system evolution
- In nervous system: Evolution and development of the nervous system
…suggest that electrically mediated junctional transmission is older than chemically mediated synaptic transmission, which would require that some epithelial cells secrete chemical substances.
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thalamus
- In thalamus
The thalamus translates neural impulses from various receptors to the cerebral cortex. While the thalamus is classically known for its roles as a sensory relay in visual, auditory, somatosensory, and gustatory systems, it also has significant roles in motor activity, emotion, memory, arousal, and other sensorimotor association functions.
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