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 average amount of daily rest (lying down relaxing, dozing and sleeping) that most dogs require is about 17 hours. Rest and relaxation is important to the management of biological and emotional stress as it allows the body to recover from releases of âstressâ hormones such as adrenaline and cortisol.