REGIONAL CEREBRAL BLOOD FLOW (RCBF RCBF): Regional cerebral blood flow monitoring may help boost the validity of the regional localization theory, in which specific parts of the brain control specific functions.. measure of the blood flow in a specific area of the brain, using positron emission tomography (PET scans) and/or single photon emission computed tomography.
If a dog goes on his back to you he is accepting you as his master. This is part of the answer but here's a little more in-depth version as reported by USA Today. In general, dogs lie on their back for three reasons.
The âNutshellâ. This is a very popular sleeping position for dogs and is also the most defensive. It involves tucking their paws under themselves, their head into their body and their tail around their face. It isnât a very restful sleep as they are tensing most of their body so as not to be vulnerable.