Canine Cortex by Rachel Hoyt image by Vlado via freedigitalphotos.net A vortex of sounds daily trickle down on man and man's best friend - A cortex the grounds where vibrations drown and learn which needs to tend - The vertex? A look, proof each cortex shook and needs his love to mend. Copyright © 2014 Rachel Hoyt. All rights reserved. A recent study revealed that