The global quality of the perceived image is superior to the sum of the two since the brain possesses some capacity to concentrate {HEAD ~ its interpretation} of {TAIL ~ the image} on the one which is clearer 
of
The global quality of the perceived image is superior to the sum of the two since the brain possesses some capacity to concentrate { HEAD ~ its interpretation } of { TAIL ~ the image } on the one which is clearer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH