the Morris water maze test. The Morris water maze begins by putting a rat in a circular pool of cloudy water. Submerged in the pool‚ is a podium that will get the rat out of the water. First time rats will swim for longer periods of time and take a longer path to get to the podium. All subsequent trials for normal rats‚ the rat will go straight to the podium. However‚ if the rat has damage to the bilateral hippocampus‚ the rat cannot remember the location of the podium or fail to find it
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behaviors of rats and pigeons. He would use Skinner boxes that would isolate these specimens. An example of how he came up with the operant conditioning method is by depriving the rats of food. The rats had a lever placed in their cage that would release a pellet of food if pushed. Since the rat did not know this would happen‚ it was basically trial and error that resulted in a positive result for the rat. Eventually the rat would learn this behavior from receiving food. In this example when the rat received
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Cummins gives specific examples of experiments that have taken place regarding stress increasing obesity. An experiment that took place included rats given normal rat chow and sugar water. The stressed rats chose the sugar water over the healthier choice. The stressed rats ended up gaining more weight‚ especially near their abdomen unlike the non-stressed rats. In another study Cummins includes‚ Dr. Carol Shively feeds female monkey the American diet and compares those monkeys with higher ranked monkeys
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ground and destroying their old barns. They are rare to find nowadays because the increased use of toxic rat poisions. The organziations most closely associated are World Owl Trust‚ Barn Owl Studies of Canada‚ World Wildlife Foundation‚ and minestry of natural resources. Factors that negatively influence their status is because of human decisions. For example the rat poision is killing rats‚ and rats are the Barn Owls food contaminating their food source. The organizations could be altered to affect
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Reinforcement Natalie Tamayo CUNY Queens College Abstract This experiment is centered on the notation of Behavior Modification. In this experiment a rat is trained to exhibit a targeted behavior called Roll. The desired goal of the experiment is mold the rat into the behavior of producing rolls whenever the light is turned on. One rat took part in this experiment. There were two precursor behaviors to the desired Roll behavior. One behavior was genital grooming and the other was head tucking
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Zimbardo & McCann‚ 2009‚ p.95). By pairing the banging bar and the white rat‚ Watson and Rayner were able to use classical conditioning by hitting the bar at the same time Albert touched the rat. This created and association of the loud bang‚ which drew out the reaction of fear‚ to the rat itself. With the rat having no original reaction‚ the banging now caused the reaction to be the same in the presence of the rat. Unconditioned stimulus is when we naturally react to a stimulus such as
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There is also the form that is known as variable schedule. This means that you change the factor of "x" every time‚ making the reinforcement not as consistent. In the case of the rats‚ they can no longer "pace" themselves because both intervals have changed and they can no longer establish what the time will be between behavior and reward. Both of these schedules are resistant to extinction. According to Skinner‚ this is a method
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polyunsaturated fatty acid-rich liquid oils. This blending produced fat products of zero-trans fatty acid content and melting points below the human body temperature‚ so that they can be digested easily. The new blended products were fed to male albino rats (Charles Foster strain); the coefficients of digestibilities were 94.2% for palmstearin and rapeseed oil blend‚ 95.1% for palmstearin and sunflower oil blend‚ and 96.2% for palmstearin and soybean oil blend‚ which were somewhat better than the digestibility
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to various stimuli which were paired with a loud banging noise on a bar. A rat was put next to Albert and when he would reach for the rat‚ they would bang that bar to get baby Albert to display fear by crying. Albert was conditioned to the point that by simply showing him the rat he would cry and want to crawl away. He knew that along with the rat‚ came the loud clanging noise‚ therefore he felt that by avoiding the rat‚ he would also be able to avoid the noise. “In classical conditioning‚ the
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Toddaliaasiatica(350 mg/kg) and Araucaria bidwilli(250 mg/kg).All the rats used for the sub-chronic toxicity study appeared normal before‚ during and after the treatment. Mortality was not observed at any of the dose levels used in this study. There is a positive effect of T. conophorum extract on the weight status of the test rats. The weights of rats given the plant extract in all groups remained higher in contrast to those rats not given the plant extract (control group) at the end of the 28 days
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