temporal lobe atrophy

[Xinxin Guo]

hi, there,

I need your help. In our population-based study, we found a strong 
correlation between temporal lobe atrophy and impaired lower limb mobility. 
Both cortical and central atrophy were rated on CT scan. The temporal, 
parietal, frontal and temporal atrophy were rated as normal, mild, moderate 
and severe. Central atrophy were measured as bifrontal ratio, bicaudate 
ratio, third ventricle width. The mobility of upper limbs and lower limbs  
were measured by optoelectronic technique.

My question is (1) how to interprete the association between temporal 
atrophy and impaired mobility? (2)why did the correlation is only limit to 
lower limbs?

It would be very grateful if you could offer me some tips, or suggest me 
some relevant reference.

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