The limbic system is a neural system located below the cerebral hemispheres of the brain. Three structures that are part of the limbic system are the hypothalamus‚ hippocampus‚ and the amygdala. These three structures work together as a whole making it feasible for the body to function properly. The hypothalamus is a small‚ but busiest part of the brain located just below the thalamus and is mainly concerned with homeostasis. It is an important link in the command chain governing bodily maintenance
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functions of Hypothalamus since this also forms a part of the limbic system and the class has been taken separately There are other areas in the structures near to the limbic system that are intimately connected to it – namely cingulate gyrus‚ basal ganglia‚ ventral tegmental area of the brain stem (just below the thalamus) and prefrontal cortex. So their functions are also needed to be studied alongwith this. LIMBIC SYSTEM 16th April‚ 2014 History • Paul Broca (1824-1880): 1878:
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The Limbic System Most reptiles and lower order organisms only have the “old brain”‚ the evolutionarily oldest part of the brain responsible for vital tasks such as breathing and sleeping‚ whereas higher order organisms have a limbic system. The old brain is comprised of the pons‚ the medulla oblongata‚ the brain stem‚ the thalamus‚ the cerebellum‚ and the reticular formation. The reticular formation is a network inside of the brain stem‚ part of the “old brain” that is essential for arousal (sleeping
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CHAPTER 5 • THE MEMORY SYSTEM PROBLEMS - Cap. 9 - Sistema di memoria 5.1 Give a block diagram similar to the one in Figure 5.10 for a 8M × 32 memory using 512K × 8 memory chips. 5.2 Consider the dynamic memory cell of Figure 5.6. Assume that C = 50 femtofarads (10−15 F) and that leakage current through the transistor is about 9 picoamperes (10−12 A). The voltage across the capacitor when it is fully charged is equal to 4.5 V. The cell must be refreshed before this voltage drops
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The Memory System Memory is a very important aspect in a person’s life. It enables that individual to store information about various things that they can recall upon at a later time when that information is needed. The applications of your memory are boundless and are used every day whether we realize it or not for example taking test‚ fixing something around the house‚ playing a sport‚ etc. We are able to do this by associating that memory with a certain sounds‚ images‚ or colors that are familiar
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1.2 Describe the types of memory impairment commonly experienced by individuals with dementia. Memory problems are usually the most obvious symptom in people with dementia. For example‚ a person with early stages of dementia might go to the shops and then cannot remember what they wanted. It is also common to misplace objects. As dementia progresses‚ sometimes memory loss for recent events is severe and the person may appear to be living in the past. They may think of themselves as young and not
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what is LOVE? A weak human feeling? LOVE is blind? Valentine’s day? Ask any random person and you will get any random answer also. Personally‚ love is felt or expressed rather than defined‚ I cannot give the exact meaning but I know what it means and how to show it. Beyond that‚ I rest my case. The ancient Greeks tried to define and sort out LOVE. And they come up with four- Storge‚ Philia‚ Eros and Agape. And I have come up with this presentation to define all four in the simplest way possible. We
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“And of Clay Are We Created” written by Isabel Allende‚ is a story about Rolf Carlé‚ who is brought back to his tragic past‚ as he tries to save a little girl. They discovered the girl is thirteen-year-old Azucena. Her body covered in the clay and debris‚ only her head held above it all‚ which was caused by a tremendous avalanche that have buried entire towns and killed many people. Rolf Carlé is a reporter‚ he was one of the first to arrive to the scene. He is a well-known reporter by everyone‚
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What Causes A Rainbow? What causes a rainbow to form? It’s a relatively simple answer. A rainbow is an optical and meteorological phenomenon that is caused by both reflection and refraction of light in water droplets in the Earth’s atmosphere‚ resulting in a spectrum of colors in the sky. It takes the form of a multicolored arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun. Rainbows can be observed whenever there are water drops in the air and sunlight
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2.1 How Wind is Created. Wind is defined as air in motion. (1) When wind is being describe you first give the strength of the wind followed by the direction the wind is coming from e.g. extremely windy for a time‚ with strong to gale force and blustery west to northwest winds. (2) Wind is powered by the sun and by the rotation of the planet. Wind from the sun is caused by the uneven heating of the earth by the sun. The equator is heated much more by the sun than the poles. The hotter air expands
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