Tuesday, March 10, 2020
Parietal Lobes Function and Brain Anatomy
Parietal Lobes Function and Brain Anatomy The parietal lobes are one of the four main lobes or regions of the cerebral cortex. The parietal lobes are positioned behind the frontal lobes and above the temporal lobes. These lobes are important to the function and processing of sensory information, understanding spatial orientation and body awareness. Location Directionally, the parietal lobes are superior to the occipital lobes and posterior to the central sulcus and frontal lobes. The central sulcus is the large deep groove or indentation that separates the parietal and frontal lobes. Function The parietal lobes are involved in a number of important functions in the body. One of the main functions is to receive and process sensory information from all over the body. The somatosensory cortex is found within the parietal lobes and is essential for processing touch sensations. For instance, the somatosensory cortex helps us to identify the location of a touch sensation and to discriminate between sensations such as temperature and pain. Neurons in the parietal lobes receive touch, visual and other sensory information from a part of the brain called the thalamus. The thalamus relays nerve signals and sensory information between the peripheral nervous system and the cerebral cortex. The parietal lobes process the information and help us to identify objects by touch. The parietal lobes work in concert with other areas of the brain,à such as the motor cortex and visual cortex, to perform certain tasks. Opening a door, combing your hair, and placing your lips and tongue in the proper position to speak all involve the parietal lobes. These lobes are also important for understanding spatial orientation and for proper navigation. Being able to identify the position, location and movement of the body and its parts is an important function of the parietal lobes. Parietal lobe functions include: CognitionInformation ProcessingTouch Sensation (Pain, Temperature, etc.)Understanding Spatial OrientationMovement CoordinationSpeechVisual PerceptionReading and WritingMathematical Computation Damage Damage or injury to the parietal lobe can cause a number of difficulties. Some of the difficulties as it relates to language include the inability to recall the correct names of everyday items, inability to write or spell, impaired reading, and the inability to position the lips or tongue properly in order to speak. Other problems that may result from damage to the parietal lobes include difficulty in performing goal-directed tasks, difficulty in drawing and performing math calculations, difficulty in identifying objects by touch or distinguishing between different types of touch, inability to distinguish left from right, lack of hand-eye coordination, difficulty in understanding direction, lack of body awareness, difficulty in making exact movements, inability to perform complex tasks in the proper order, difficulty in localizing touch and deficits in attention.ââ¬â¹ Certain types of problems are associated with damage caused to either the left or right hemispheres of the cerebral cortex. Damage to the left parietal lobe typically results in difficulties in understanding language and writing. Damage to the right parietal lobe results in difficulties with understanding spatial orientation and navigation. Cerebral Cortex Lobes The cerebral cortex is the thin layer of tissue that covers the cerebrum. The cerebrum is the largest component of the brain and is divided into two hemispheres with each hemisphere being divided into four lobes. Each brain lobe has a specific function. Functions of the cerebral cortex lobes involve everything from interpreting and processing sensory information to decision-making and problem-solving capabilities. In addition to the parietal lobes, the lobes of the brain consist of the frontal lobes, temporal lobes, and occipital lobes. The frontal lobes are involved in reasoning and the expression of personality. The temporal lobes assist in organizing sensory input and memory formation. The occipital lobes are involved in visual processing.
Saturday, February 22, 2020
What made Franklin D. Roosevelt such a powerful leader and one of the Essay
What made Franklin D. Roosevelt such a powerful leader and one of the most highly regarded presidents in American history - Essay Example Because of his strong advocacy, the love of freedom is still alive in America today (InfoUSA 1). As a great leader, Franklin Roosevelt devoted his effort to the service of his country. In as much as critics may highlight instances of failure during his presidency, Roosevelt has a legacy as a strong leader in the countryââ¬â¢s history. People generally accept that F. D. Roosevelt remains one of the greatest leaders in the world. He served as the 32nd President of the country. Roosevelt was born in New York. His leadership guided the United States and helped it during hard moments. He has been considered a central political figure throughout the world, as well. Roosevelt laid a solid foundation of leadership as a president during his early age. He was bright during his young age and graduated from Harvard University. ââ¬Å"Roosevelt became very active with the school newspaper.â⬠When he undertook studies at Harvard, he spent most of his time in publishing the school newspaper. After he graduated from Harvard, ââ¬Å"Franklin D. Roosevelt joined Columbia Law School.â⬠Various experiences and knowledge helped him win the Senate seat later (Rosenberg 1). As a great leader, Roosevelt made a number of improvements in society. One of the most significant and remarkable things he did, and probably the most successful one, was that he led the United States recovery from the Great Depression (Rosen 130). The Great Depression was an economic decline in the United States. ââ¬Å"Banks in all 48 states had either closed or had placed restrictions on how much money depositors could withdraw.â⬠Most banks were bankrupted during the Great Depression; thus, people could not take their money. Additionally, unemployment rose and people lost their jobs overnight. People suffered during this period. As economic distress increased in the United States, Franklin Roosevelt was elected to be a new president instead of President Hoover in order to save
Thursday, February 6, 2020
Kodak and Fujifilm Essay Example | Topics and Well Written Essays - 1750 words
Kodak and Fujifilm - Essay Example In 1965, Fujifilm descended into the US, establishing its quarters in New York, in 1966 it set itself up in Dusseldorf to manage business in Europe, in 1987 it introduced itself to Germany, and so on until it had its industries scattered across the globe, from Japan, to the Middle East, to North America (Fujifilm Global, Corporate History). According to Shigetaka Komori and Shegehiro Nakajima, Chief Executive Officer and Chief Operating Officer respectively, of Fujifilm, "Once, our overwhelming core business was photographic film, but we have now evolved into a company which is continually growing in a number of new strong business fields." These "new" fields that Fujifilm is expanding into include studying the "fine chemistry which controls elaborate chemical reactions, mechatronics, optics, electronics, software and a wide array of manufacturing technologies." Fujifilm is not just a photofilm industry that deals with only camera related products, rather, as Komori and Nakajima cont end, Fujifilm even caters to producing "highly functional materials such as LCD materials; medical/life sciences such as pharmaceuticals, functional skin care cosmetics and nutritional supplements; graphic arts such as printing materials and equipment; optical devices such as camera phone lens units; digital imaging such as digital cameras, digital printing, and Photobook." For Fujifilm, the ultimate goal is to "make a broad contribution to society through products and services using our leading-edge, proprietary technologies," and "aim to be a company which can respond to any changes with corporate excellence on a global scale," (Fujifilm Global, Message from the Chairman and President). Moving onto Kodak, American inventor George Eastman founded his photofilm company in Rochester, New York in 1982 (Sparkes, Kodak: 130 years of history). In 1900, Kodak launched its Brownie camera, bringing the camera into the hands of the masses of society, and in 1969, the Appollo 11 mission even made use of Kodak film. Sparkes also mentions that in 1975, Kodak was the first to build a digital camera and in 2005 it was "the largest seller of digital cameras in the US, with revenue reaching $5.7bn." Kodak's plan was to "make photography as convenient as the pencil," and the official US Kodak website further states that Kodak is "known not only for photography, but also for images used in a variety of leisure, commercial, entertainment and scientific applications. Its reach increasingly involves the use of technology to combine images and information--creating the potential to profoundly change how people and businesses communicate." Rupert Neate in his "Kodak falls in the 'creative destruction of the digital age," makes a very poignat statement that now "it is the end of the "Kodak moment." Michael Krigsman in his piece on "Goodbye Kodak, Hello Fujifilm," also makes a similar comment that "After 131 years great American photographic icon, Eastman Kodak, filed for bankruptcy w hile Japanese FujiFilm rises toward greatness." Clearly, there has been a sharp decline in the success of Kodak despite
Tuesday, January 28, 2020
Asylum Seekers Essay Example for Free
Asylum Seekers Essay The still images of Asylum seekers revealed the medias uncaring attitude towards them. The media believe that asylum seekers are nothing but poor helpless scroungers who soak up others countries fund. I thought that the most powerful image was the one that had a scruffy haired woman reaching out with one hand. This to me was a very effective still image because it mirrored the medias opinion both proximally and kinetically. The womans facial expressions suggested that she was distressed and desperate which in an example of the pictures that are always conveyed in the media. Furthermore the womans gestus (Hand out in need) represented how she needed some aid and refuge. An act that is perceived by the media, as a way to sponge of the countries services, such as healthcare and housing. I conveyed my attitude towards asylum seekers and refugees by taking part in an attitude continuum. I place myself in the number 7 spot 3 places away from being totally sympathetic (10) and 7 spaces away from having a hostile attitude (1). I placed my self here because I believe that as a Christian we should help any one in need and provide refuge for them. However I also feel that we should help the homeless and needy in our own country first. In our still image sequence we acted as farmers in order to show our understanding of the line When the sun says goodnight to the mountains. I am dreaming of the sun saying goodnight. We believed that the lines meant that the sun is ruining all of the Caribbean farmers crops. So without anything to harvest the farmer, owner and the buyer are all badly effected. We showed this with two images. The first one with the farmer sitting around doing nothing because without the rain he could not grow is a crop. The farmer tells the audience without my job on the farm I cannot feed my family. The owner of the farm is seen with is hands empty as he looks nervously at the buyer and says because of the lack of rain I have no harvest to sell. Lastly the buyer looks frustrated at the owner as he proclaims to the audience. Because of the lack of rain I have no harvest to buy cheap and then sell for a profit.
Monday, January 20, 2020
Cuban Missile Crisis: The Brink of Global Nuclear War Essay -- History
Cuban Missile Crisis: The Brink of Global Nuclear War The Cuban Missile Crisis had a huge impact on society even years after it was resolved because the incident had brought our nation and the world so close to the brink of nuclear war. Before the Cuban Missile Crisis had occurred, many other factors had been piling up and building undesirable tensions between many countries. Along the way new allies and enemies were made causing more stress to the Cold War. The new bonds that formed after Cuba was taken over by Fidel Castro pushed nuclear war to the very edge. Many changes in Cuba caused tensions to mount between the United States, Cuba, and Russia. At the time before the Bay of Pigs incident, Cuba had a corrupt dictator that ruled the people without giving them much freedom. President Fulgencio Batista was an ally to the United States because American companies that were based in Cuba did not have many restrictions. Many wealthy Americans owned plantations on the island of Cuba because of the lack of restrictions. This all changed in 1959 when Fidel Castro took over. Castro wanted to limit American influence and cut ties with the United States. Castro quickly made attempts to be allies with the Soviets. For Castro's attempt to woo the Soviets, the United States stopped the importing of sugar from Cuba. Cuba's economy would have suffered terribly if they could not find a buyer. The Soviets agreed to buy all of the sugar. After this the United States cut off all relations with Cuba. The United States and Cuba were no l onger allies even though they were only separated by a mere 100 miles. While the Cold War loomed over the heads of the world, the President of the United States tried to think of way... ...ry.navy.mil/faqs/faq90-1.htm>. Naval Historical Center, 1993. "Cuban Missile Crisis - John F. Kennedy Presidential Library & Museum." John F. Kennedy Presidential Library & Museum. Web. 22 Jan. 2012. . Web. . Web. through . Web. Pike, John. ââ¬Å"Cold War in the 1960sâ⬠. 2012. ops/cold-war-1960s.htm>. Web. ââ¬Å"Limited Test Ban Treaty.â⬠U.S. Department of State. January 22, 2012. . Sting. "Russians." The Dream of the Blue Turtles. A & M Records, 1985. Vinyl. Berkin. Making America : A History of the United States. Wadsworth, 2012. P. 354
Sunday, January 12, 2020
How the area of a wire affects the resistance in a circuit Essay
Electricity is conducted through a conductor. Resistance is the word used to describe the opposition between forces. The more free electrons there are, the better the conduction and the worse the resistance is. The more atoms vibrate, the more resistance there is. The free electrons are given energy, as a result they move and collide with the surrounding electrons. This happen throughout the whole wire. This is how the electricity is conducted. Resistance is the result of energy loss in form of heat. How do we measure it? V=I/R V=Voltage I =Current R=Resistance Ohmââ¬â¢s Law. This law states that the current through a metallic conductor (wire) at a constant temperature is proportional to the potential difference (Voltage). Therefore the Voltage and Current is constant. If the resistance increases the temperature increases, so it stays constant. At higher temperatures the particles move more quickly, increasing the collision of the free electrons. Possible Input Variables Wire area Wire thickness Wire length Applied voltage Material Taught connections Cross-sectional shape Insulated Density of wire Coiled or not Temperature Preliminary Experiments. Easy to measure? Easy to change Wire area V V Wire thickness X X Wire length V V Applied voltage V V Material X V Taught connections X X Cross-sectional shape X X Insulated X V Density of wire V X Coiled or not V V Temperature V V Applied I or V by a double cell which is measured by digital volt and ammeter. I will find out the Resistance by the formula using R=V/I. Wire area. It is difficult to change the area. A possible solution would be to add wires and twist them together. Coiled or not? It has not got an obvious affect. The Voltage and Current didnââ¬â¢t increase or decrease. Temperature. My idea was to set up a water bath to keep the wire at a same temperature at every point. I would experiment with temperatures from 20? C-100 (room temperature to the boiling point of water) Wire length. Is very easy to set up. There is a very large range of results. Chosen Input variable I chose wire area as my variable because it is has a better variety of results. I will have 8 wires with the same cross sectional area. It would be to expensive using different cross sectional sizes of wire. I will put the wire parallel to each other an twist them add the end to increase the area of the wire. My chosen output variable is resistance because that is what I am looking for in the wire. Fair Test In the experiment I am not going to change anything ( wire length and applied voltage). The only thing I will change is the area of the wire (input variable). I will use the same equipment throughout the test, to make sure it is a fair test. If I would use different equipment it may give me different readings. I am using a safety resistor, so that the current is the same and that the wire will not overheat. It would not be a fair test if the wire would heat because it would give my different sets of results at different temperatures. It could also be a safety hazard if the wire overheats. Method Cut eight wires of the same cross sectional area in 35cm length (only 30cm of wire measured because I have to attach crocodile clips on each sideà The equipment is as following: 2 cell Battery Ammeter+ Voltmeter Safety Resistor 8 wires (35cm) 2 crocodile clipsà My circuit will look as following:à Let electricity pass through the circuit and note down the readings of the ammeter and voltmeter. Add more wires to the circuit and continue as plannedà Make three sets of results through an accurate experiment Prediction I will expect that if the area of the wire increases the resistance will decrease. This can be proven by background physics of the past. Observation Test Results Nr. of wiresà This graph shows the voltages I measured Nr. of wires This graph shows the Current I measured Nr. of wires R1 R2 R3 Rave Area m^2 1/Areaà This graph shows me the resistance and resistance average I have worked out. It also includes the formulas for the Area and 1/Area My Graphs are on a separate sheet of graph paper. Analysis My graph shows me that if I increase the area the resistance decreases. I have plotted two graphs to give me a wider range of results and averages in different areas (1/Area and Area m^2). My Area graph looks like a y =1/X graph X Y 1 1 2 0. 5 3 0. 333 4 0. 25 To reassure this I have plotted an average 1/Area. If it is correct then I should get a straight line. When I plotted the graph I had a straight line. This tells me that the average is proportional to 1/Area i. e. Rave ? 1/Area. The slope is: y/x= 10. 5/16= 0. 66 ? /mi I am ignoring the offset on my 1/Area graph This experiment shows me that resistance is definitely affected by the area of the wire. Looking at my background physics it has worked out like resistors on a parallel circuit. When attaching another wire to the experiment it acts like adding another parallel resistor in a parallel circuit. So if the area of the wire increases the resistance decreases. Also I have learned if the voltage goes down the resistance goes up Evaluation I found this experiment easy to do. I had no anomalies on my graph. This means that the points I have plotted are all in a acceptable arrangement. There were no experimental caused by a faulty connection. There were no safety hazards and the experiment was safe to do.
Saturday, January 4, 2020
The Social Factors That Affect The Experiences Of Children
A traditional family is defined by the marriage of a man, woman, and/ or a child. Today, less than half of the children in this nation live in such a family. Families have become more complex and less ââ¬Å"traditionalâ⬠(Livington, 2014). According to Livington (2014), Americans are delaying marriage or avoiding it altogether. This is largely due to the factor that women are attaining careers and not getting married and having children. Another factor that contributes to this movement away from the traditional family, is the fact that with some states not allowing marriage between two people of the same sex, many couples do not find the necessity to marry if they are not going to adopt or have children. In this paper, I will describe some ofâ⬠¦show more contentâ⬠¦Some of the social factors affecting the Latino children population include family and household demographics, language patterns, educational level challenges, poverty and unemployment rates, and health and in surance rates. Latino Children Origin and Language Patterns Nearly 70 percent of Latino children are of Mexican origin. The next largest origin groups include Puerto Ricans (1.6 million), Salvadorans (587,000), Dominicans (448,000), Cubans (394,000), Guatemalans (363,000) and Colombians (236,000) (Saenz, 2014). Although Latino children come from a vast array of countries, more than 90 percent are born in the United States or born abroad to U.S. citizens. As a result of this, the language patterns of Latino children have strong ties to their ancestral roots. About three-fifths of Latino children are bilingual. They speak Spanish at home but are also fluent in English. This is an extremely important factor for the Latino community. Public schools are effectively teaching Latino children to speak English but at home they converse in Spanish with their families. Family Households Poverty and Unemployment Rates The majority of Latino children (54 percent) live in a married household. The next quarter live in households headed by a single female and about one sixth live with a grandparent or a single father (Saenz 2014). In some instances, some
Subscribe to:
Posts (Atom)