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The thalamus acts as a sensory relay for the brain, with which sense being the exception?
ASmell
BTaste
CTouch
DVision
Answer & Solution
Correct answer: A. Smell
1. The thalamus is described as a sensory relay for the brain.
2. All of our senses, with the exception of smell, are routed through the thalamus before being directed elsewhere for processing.
3. Smell instead projects directly to the limbic system.
4. The chapter uses that direct projection to explain why smell can evoke emotional responses in ways other sensory modalities cannot.
_Source: OpenStax Psychology (1st ed., CC BY 4.0), Ch 3 "Biopsychology", §3.4 The Brain and Spinal Cord_
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