Horses are very one-sided because they have a very underdeveloped corpus callosum, which is the connective tissue between the two hemispheres of the brain that allows messages to go from one side of the brain to the other. Humans have a very highly developed corpus callosum, meaning we think with both sides of the brain at one time.
Read the rest of this entry by AQHA Professional Horsewoman Julie Goodnight by clicking here.