How do the tracts composing the ventromedial pathway differ in general from the tracts of the dorsolateral pathway?
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   The ventromedial tracts are more discrete in the distribution of their final projection.; | 
   
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   The ventromedial tracts control contraction of the proximal muscles of the trunk and shoulders.; | 
   
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   Only the ventromedial tracts contain both pyramidal and extrapyramidal motor system elements.; | 
   
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   The ventromedial tracts project to both sides of the spinal cord.; | 
   
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   Both alternatives b and d are correct.; | 
   
   
   
   
   
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