Examples of Mechanisms to Help Learn
After looking at the research conducted from Lund University, I realized it began a little bit like Pavlov’s study where he conditioned his dogs to salivate at the anticipation of food. At Lund University, they wanted to see if animals could learn to a$$ociate a certain tone or light pattern to a puff of air blown into their eye. The air buff in their eye causes the reaction of a blink. Therefore, eventually the tone or the light would make the animal or human blink before the puff had even been triggered. They found much like Pavlov’s dogs, this did work. When either the light or the tone was played the conditioning took affect and the subjects blinked as expected.
The Twist
The scientists then did something a little different with the study. Instead of having one stimulus, they decided to have a tone and the light signal at the same time. Some would think that this would reinforce the conditioning now that there were two things “warning” of the impending air puff. The result was somewhat surprising. Amazingly, the subjects were less likely to react to the two stimuli put together. The results got worse instead of better when there were two “warnings” given to the subjects. As explained by one of the Swedish brain researchers: “Two stimuli therefore achieve worse results than just one. It seems contrary to common sense, but we believe that the reason for it is that the brain wants to save energy.” - See more at: http://www.gltrends.com/scientists-discover-why-it-is-necessary-for-our-brains-to-forget-what-we-learn/#sthash.NgCtRxRx.dpuf
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