Thursday, November 28, 2019

Simple Stimulus Learning Habituation and Perceptuality

The Concept of Habituation Habituation is a simple learning method characterized by a decrement in intensity of the neural or innocuous response to the repeated application of stimuli. Therefore, habituation allows an animal to ignore such stimuli as irrelevant and chooses not to respond to its application when repeatedly subjected to similar stimuli (Meredith, Stein, 1996).Advertising We will write a custom essay sample on Simple Stimulus Learning: Habituation and Perceptuality specifically for you for only $16.05 $11/page Learn More Meredith and Stein (1996) note one such example to be a bird that becomes habituated and does not run away from people whom it could run before frequent stimulations are applied. Research conducted on the habituation of animals indicates that animals learn to positively or negatively associate specific stimuli by conditionally responding to the application of specific forms of stimuli. Habituation is ubiquitously embedded i n every organism’s sensory system and enables them afford different behavioral patterns in response to the hierarchal forms of habituation. An example is a dog that has been habituated to respond to a bell despite the absence or presence of a meal. Researchers view both aversive and defensive responses as often similar in magnitude with slight variations. The varied intensity and response to stimuli and the resulting habituation is directly related to the intensity of the applied stimuli, a generally accepted principle by many researchers. However, the general consensus varies widely. According to Miller, Morse, Dorman (1977), different approaches in investigating habituation with repeated applications of stimuli indicate varied responses. However, results from such studies verify the habituation concept. One such is habituating people with different tones. If different groups are treated to different tones, the need to orient them to the stimuli arises. This is the case wit h infants. When infants are habituated through the novel stimuli they respond inquiringly to the new stimuli than the old stimuli, clearly indicating novelty and habituation. Similarly, rats uniquely endeavor to investigate new objects added to a test environment clearly illustrating the novelty recognition identified above. Factors that Affect Perceptual Learning The concept of perceptual learning is influenced by the degree or extent to which individuals are conversant with an applied stimulus. A familiar stimulus leads us to perceive and build on what we have perceived. Therefore, learning is faster with prior experience than with a new stimulus. However, it is important to note the significance of attaching weight in distinguishing between stimuli.Advertising Looking for essay on education? Let's see if we can help you! Get your first paper with 15% OFF Learn More Other influencing factors include the degree of positive and negative instances in determining the con trasting stimulus that may not be based on a simple established benchmark. The transition from a simple to difficulty stimuli determines the extent of discrimination necessary to create a distinct degree of orientation. That enhances later abilities to discriminate in a more difficulty environment. Task demands for an animal significantly influence the perceptual learning process depending on specific needs associated with the learning task. In addition to this task is attention and feedback. Miller et al. (1977) argue that the efficacy of a task is influenced by a rise above the learning level to a given extent before a drop is experienced. This provides a framework for the kind of response specific to stimuli and feedback.The attention and feedback paradigm critically relies on task demands and performance behavior for specific stimuli. The behavior of animals particularly when exposed to new environments such as the supply of new food elicits discrimination. Though research indic ates that this exposure revolves around habituation and mere exposure, detailed studies have shown that even animals need to adapt. This conflict leads to less overall assumptions about stimuli and resumption of the old habituation. Effects of Stimulus Exposure These effects include prevalence for familiar stimuli, priming facilitation, potentiated startle, and recapitulation. Miller et al’s. (1977) argument that the emotional variable of stimuli can rise in prevalence to specific stimuli when an animal is exposed to the stimuli is significant. This approach is commonly referred to as mere exposure and is characterized by lack of rewards or an event that evokes stimuli. This is evident with many animals such as rats. Rats indicate neophobia by characteristically declining to consume new food that may seem strange to them. However, as they become familiar with the new food, these animals become more and more attached and consume more and more of the food. In effect, familiarit y breeds a stronger link. This behavioral paradigm can be reinforced through sensory plasticity without necessarily evoking stimuli (Miller et al., 1977).Advertising We will write a custom essay sample on Simple Stimulus Learning: Habituation and Perceptuality specifically for you for only $16.05 $11/page Learn More On the other hand, Miller et al. (1977) note that priming facilitation can enhance discrimination and identification at a faster rate than when introduced for the first time. This is based on prior activation of the sensory nerves in perception. That implies time is low and reactions are faster for stimuli that had been introduced compared to a newly introduced stimuli. Another effect is potentiated startle. The magnitude of the startle caused by an incident like the burst of loud music can create a reaction which when habituated decreases. However, background stimuli when combined with the habituated startle may cause the reaction to rise i nstead of declining. This is the case for identifying the amount of fear inherent in animals. Potentiated startles when incorporated with fear have the effect of causing higher reactions (Mondor Breau, 1999). The potential nature of recapitulations significantly increases the degree of response to stimuli. However, habituated recapitulated stimuli can be liked or disliked by the target animal, depending on the degree of orientation to the applied stimuli and the rules used to manipulate the stimuli. Application of Stimuli to real life situations In the real life environment, stimuli play a significant role in the treatment of various maladies including anxiety, phobias among others. Emotional flooding is identifiably a unique approach in exposing a target situation to controlled stimuli of fear. This implies a decline in the fear results from repeated application of the stimuli. An example is if one fears riding on a horse, a ride on a horse may be recommended. This provides prolon ged exposure to the subject that fears riding, with the consequences of alleviating the fears. Different therapists propose different approaches of treating conditions associated with stimuli. Mondor and Breau (1999) view David Barlow to be a staunch proponent of the latter. Barlow asserts that maximum exposure to stimuli had the counter effect of alleviating the problem with certain patients. Such prescriptions have been shown to effectively reduce the anxiety associated with a specific patient on a specific event.Advertising Looking for essay on education? Let's see if we can help you! Get your first paper with 15% OFF Learn More Other applications in the real life situations are virtual reality therapeutic exposures. This approach includes flight events that individuals that fear flying are treated to flight related stimuli by use of a helmet that is designed with the characteristics of virtual reality. Almost 70% success rates have been recorded. Conclusion Habituations are ubiquitously embedded in every organism’s sensory system and enables them afford different behavioral patterns in response to the hierarchal forms of habituation. It varies in intensity with the applied stimuli. Different Reponses however, have been identified to significantly influence the varied forms of response. These responses are vital for the treatment of phobia, fear, and other forms of psychiatric problems. However, further research need to be conducted to scientifically reinforce the contentious issues related to these forms of treatments. References Meredith, M. A., Stein, B. E. (1996). Spatial determinants of multise nsory integration in cat superior colliculus neurons. Journal of Neurophysiology, 75, 1843-1857. Miller, C. L., Morse, P. A., Dorman, M. F. (1977). Cardiac indices of infant speech perception: Orienting and burst discrimination. Quarterly Journal of Experimental Psychology, 29, 533-545. Mondor, T. A., Breau, L. M. (1999). Facilitative and inhibitory effects of location and frequency cues: Evidence of a modulation in perceptual sensitivity. Perception Psychophysics, 61, 438-444. This essay on Simple Stimulus Learning: Habituation and Perceptuality was written and submitted by user Hezekiah Valenzuela to help you with your own studies. You are free to use it for research and reference purposes in order to write your own paper; however, you must cite it accordingly. You can donate your paper here.

Sunday, November 24, 2019

Holidays of Spanish-Speaking Countries

Holidays of Spanish-Speaking Countries If youre traveling to a Spanish-speaking area, one thing to consider is the countrys fiestas, holidays and other celebrations. On the positive side, you may get an opportunity for an upclose look at the countrys culture and a chance to participate in activities youll see nowhere else; on the other hand, with some of the more important holidays, businesses may be closed, public transportation may crowded and hotel rooms may be difficult to reserve. Spring Holidays Because of the Roman Catholic heritage, in nearly all the Spanish-speaking world la Semana Santa, or Holy Week, the week before Easter, is among the most widely celebrated of holidays. Specific days observed include el Domingo de Ramos, or Palm Sunday, a celebration of Jesus triumphal entry into Jerusalem before his death; el Jueves Santo, which commemorates la Última Cena de Jesà ºs (the Last Supper); el Viernes Santo, or Good Friday, marking the day of Jesus death; and the weeks climax, el Domingo de Pascua or la Pascua de Resurreccià ³n, or Easter, a celebration of Jesus Resurrection. The dates of la Semana Santa vary from year to year. Winter Holidays La Navidad, or Christmas, is also universally celebrated on December 25. Related days include la Nochebuena (Christmas Eve, December 24), el dà ­a de san Esteban (St. Stephens Day, honoring the man traditionally believed to be the first Christian martyr, on December 26), el dà ­a de san Juan Evangelista (St. Johns Day, on December 27), el dà ­a de los Santos Inocentes (Day of the Innocents, honoring the babies who, according to the Bible, were ordered slaughtered by King Herod, December 28) and el dà ­a de la Sagrada Familia (the Day of the Holy Family, observed the Sunday after Christmas), culminating in la Epifanà ­a (January 6, Epiphany, the 12th day of Christmas, marking the day los magos or Wise Men arrived to see the infant Jesus). In the middle of all this is el Aà ±o Nuevo, or New Years, which typically is celebrated beginning on el Nocheviejo, or New Years Eve. Independence Holidays Most Latin American countries also celebrate an Independence Day to mark the day of separation from Spain or, in a few cases, some other country. Among the dà ­as de la independencia are February 12 (Chile), Feb. 27 (Dominican Republic), May 24 (Ecuador), July 5 (Venezuela), July 9 (Argentina), July 20 (Colombia), July 28 (Peru), August 6 (Bolivia), August 10 (Ecuador), August 25 (Uruguay), September 15 (Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua), September 16 (Mexico) and November 28 (Panama). Spain, meanwhile, celebrates its Dà ­a de la Constitucià ³n (Constitution Day) on December 6. Other Days of Celebration: Dà ­a del Trabajo or Dà ­a del Trabajador - May Day or Labor Day is widely observed on May 1.Fiesta Nacional de Espaà ±a - This day, observed on October 12, marks the arrival of Christopher Columbus in the Americas. It also goes by other names, including la Fiesta de la Hispanidad. In Latin America, it is often known as el Dà ­a de la Raza.Cinco de Mayo - This Mexican celebration marking a victory in the Battle of Puebla has been exported to the United States, where it is more widely observed than in Mexico.Dà ­a de la Asuncià ³n - A day commemorating the Assumption of Mary is observed in some countries on August 15.Dà ­a de la Revolucià ³n - Mexico celebrates the start of the Mexican Revolution on the third Monday of November.Dà ­a de Todos Santos - All Saints Day is widely observed on November 1.

Thursday, November 21, 2019

Retirement Awareness Essay Example | Topics and Well Written Essays - 750 words

Retirement Awareness - Essay Example Early health problems often result in an early exodus from the professional arena. Larry: I decided to retire early in 2003. I had formed a consulting service named Benyshek and Hough Consulting Services Inc. The services provided by our firm are management of dataset and develop into readily-accessible form to be used by cattle production forms, commercial producers, breeders, feedlots, and packing plants. We provide the expertise in EPDs, ultrasound and all areas of animal breeding and genetics. The consultation service needed full time work in the firm and I considered early retirement from the office. Larry: I did not receive any training especially on retirement but I have gathered some information from my old colleagues who talked about it generally. The topic is of common interest to all employees and therefore I got lots of information and awareness on it. I understood the importance of retirement planning and saving money for retirement. I was aware of pension scheme of the university and started saving for the future. Larry: Yes. I am very much comfortable. I enjoyed my life while working as University Professor where I had the opportunity to write numerous Articles and made countless presentations on my subject and received international recognition. I am still working on my own and have no financial problems. Larry: Yes, although I have retired as a university professor but I am still working as private consultant. I am fully enjoying my time with my colleagues and family. Retirement relieves you from the hectic routines of professional life. At the same time it gave me an opportunity to spend some time with my family and kids for which I have longed all my life. This is certainly a relaxing experience with no liabilities and work pressure. All I do is have a nice time and look after my private business which is going pretty well for me. Larry: I am regular visitor of Church and participate in social activities of