PsychSim 5: HUNGER AND THE FATRAT Date: 1/27/15 This activity provides a simulated experiment on weight regulation in rats. The Hypothalamus • What are the two techniques used to study hypothalamic dysfunction? How do they differ? The two techniques used to study hypothalamic dysfunction are stimulation and destruction. To simulate the hypothalamus a small wire probe is inserted into the hypothalamus and a weak but constant current is passed through its insulated tip. Generally‚ simulation makes
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Title of the article: Maps in Your Mind Edward C. Tolman Reasons for Tolman to carry out the study were to demonstrate that complex internal cognitive activity could be studied in rats‚ not only in humans‚ and that these mental processes could be studied without the necessity of observing them directly. The theoretical propositions which this research is based on were two 2 modifications to the prevailing view that Tolman proposed. One was that the true nature and complexity of learning could
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1734 Predict Question 1: The BMR of both remaining rats will be lower than the normal rat’s BMR Predict Question 2: The normal rat will become hyperthyroidic but will not develop a goiter. Predict Question 3: The normal rat will become hyperthyroidic and develop a goiter. Predict Question 4: The normal rat will become hypothyroidic and develop a goiter. Chart 1: Effects of Hormones on Metabolic Rate Normal rat Thyroidectomized rat Hypophysectomized rat Baseline Weight (g) Variable‚ 249–251 Variable
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normal rat was approximately ________ ml O2/kg/hr. 426 2. True or False: The BMR of all three rats was approximately the same before treatment with thyroxine‚ TSH‚ or propylthiouracil. true 3. Which rat had the fastest basal metabolic rate (BMR)? normal 4. Why did the BMR’s differ between the normal rat and the surgically altered rats? Because the metabolism of the normal rat was normal. The Tx and Hypox rats’ metabolism was altered from the removal of the pituitary gland (Hypox rat) and
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place in the research laboratory in Princeton University by Professor Bart Hoebel. He experimented with rats overeating a sugar solution. The rats would go twelve hours without food and than be given a sugar solution with their meal. The experiment was to release dopamine into the rat’s brain the same way in which it is released into a drug addict’s brain. The research concluded‚ “ that the rats developed many behaviors and changes in the brain that are similar to the effects of some drugs of abuse
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Compare and contrast the ways in which the theme of isolation is presented and explored by Sebastian Faulks and T.S Eliot in ‘Engleby’ and ‘Selected Poems’. Throughout both ‘Engleby’ and ‘Selected Poems’ there is a prevailing sense of ‘apprehension of the tenuousness of human existence’ which is evident in the protagonists’ confining inability to communicate with the world around them‚ as seen in Prufrock’s agonised call‚ ‘so how should I presume?’. ‘The Wasteland’ was written by Eliot to ‘address
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famous experiment associated with classical conditioning would be Little Albert‚ this was where little Albert was introduced to a pet rat and when he would play with the rat they would hit a gong causing an aversion conditioning (negative response can lead to phobias). The most famous experiment linked with operant conditioning is the Skinner Box. This was were a rat was placed in a box with to levers one of which was programmed to give food when pressed.
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are rat and cat the legend of the Chinese zodiac and cat and mice become enemies. Cat and rat and mice and cat the two where best friends and the came to be enemies in both stores. These stories are legends because they got passed on over and over again. The stories where about cats and mice/rats and they where talking about why cats and rats/mice don’t like each other any more. The theme of the story is that have you had a best friend and they betrayed you. although‚ at the begging rat and
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Dissections help researchers get a 3-dimensional picture of how the systems of a body work together. Now you’ll have the opportunity to see how the respiratory‚ digestive and circulatory system are arranged spatially. The Classification of the Rat (Rattus norvegicus): Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Mammalia Order: Rodentia Family: Muridae Genus: Rattus Species: Norvegicus Note: Dissection does not mean “to cut up.” Rather
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Albino female rats (210-250 g weight) and their 27 pups provided by Adnan Menderes University Medical Faculty Experimental Animal Laboratory‚ were used. The rats were restricted separately in plastic cages under artificial lighting from fluorescence lamps‚ with a 12-h light photoperiod and a 12-h dark photoperiod. The room temperature was set at 25°C constant heat and 45%-55%
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