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.
Quick Answer. When a dog carries its tail between its legs, it means the dog is feeling nervous, venerable, shameful or submissive. Dogs also put their tails between their legs when they are feeling frightened. It generally signifies that something is wrong, and it is a position that the dog takes around a dominant person or animal. Keep Learning.