Attention Enables People to Pick an Amalgam Term Paper

Pages: 2 (799 words)  ·  Bibliography Sources: 3  ·  File: .docx  ·  Topic: Psychology

Attention enables people to pick an amalgam of information and data and give it priority for meaning extraction or processing. Key to the process of perception is emotionally arousing stimuli, which gives an individual contextual information paramount to reacting to changes in the environment. A fearful face or loud noise in a person's environment, for example, tells them to increase their attention because of possible danger. In many rapid serial visual presentation experiments, the second of two stimuli presented in quick succession is often not detected. This phenomenon is known as attentional blink. When the second stimulus is emotionally arousing, to be sure, it is more likely to be seen. Oftentimes, attention is a matter of outlook. In recent experiments, eyesight was definitively improved when people were induced to believe that they could see very well. Such beliefs enhanced visual clarity. These findings support long-held evidence that visual perception is not only dependent on relaying information from eyes to the brain, but, also, on experience-based assumptions about what is perceivable in particular situations. (Deutsch 83)

In noisy situations, such as at a cocktail party, we rarely think about how it is we single-out one voice for perception. For a long time, researchers have not understood how the human brain filters out a single conversation from a web of intercrossing conversations.Buy full Download Microsoft Word File paper
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Term Paper on Attention Enables People to Pick an Amalgam Assignment

Colin Cherry, a British cognitive scientist, called this phenomenon the "cocktail party effect" in the 1950s. Today, scientists contend that the secondary auditory cortex, which is located in the temporal lobe at the side of the head, does much of the untangling. Alexander Gutschalk, of the Ruprecht-Karl University of Heidelberg in German along with his team, hooked up subjects to a Magnetoencephalography (MEG) imager. The researchers then played the subjects a sound file containing many randomly repeating tones across many frequencies. Within the track was a regularly repeating tone. The subjects were asked to press a button when they heard the regular tone. Once the subjects were aware of the regular tone, activity greatly increased in the secondary audio cortex. "In fact, we see the activity even before the subject presses the key, which is interesting," says Gutschalk.

(Phelps 290)

Many factors come into play regarding how we divide out attention. If we perceive two people are talking directly to us, considering the cues we receive from stimuli, it is more difficult for us to concentrate on one task.… [END OF PREVIEW] . . . READ MORE

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