dr. dieter wants educators to think. >> always body, mind and soul. >> about improving the brain by wherek your behind. >> all right, third graders! >> when students sit in rigid chairs, their bodies and brains are not stimulated enough. >> in an aesthetic way you lose concentration and you will fall into body and mind fatigue. >> he says students should use these types of chairs. >> it is a special ergonomic shape. >> shaped to their spines. >> it is flexible. >> which allow movement. he says that's when students learn better. >> then paired with an activity, yourhole postural organs are active. >> and so is your brain, he says. >> they have more blood flow. there is more muscular activity, there is more oxygen supply. the 14th school district is already using ergonomic chairs at younger levels and also in the new adams city high school which opens next fall. >> it does aid in pressure because it's slimmed a little bit. >> he studied students for four years who switched from rigid chairs to ergonomic ones. he says the results were astounding. >> we really found out that the attentiveness