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PSY 355 Emotions Paper

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Running head: EMOTIONS
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Emotions
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PSY355/Motivational Processes in Human Psychology
November 8, 2010
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EMOTIONS
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Emotions
Emotions and arousal vary from person to person. Experiences, knowledge, mood, and the
environment have roles in what emotions people display and the amount of arousal they feel.
Emotions have been discussed for hundreds of years from philosophers to modern day
psychologists to determine how they develop and why they differ from person to person. Some
theories have been developed over the years and have been studied thoroughly using a variety of
research methods. The facial feedback hypothesis has garnered much attention from a variety of
fields to determine if people experience similar facial expressions based on the same stimuli.
Historical Theories of Emotion and Arousal
The Yerkes-Dodson law states “low arousal produces maximal performance on difficult tasks,
and high arousal produces maximal performance on easy tasks” (Deckers, 2010, p. 134). This
law believes there is U shaped function between arousal and performance (Deckers, 2010). High
levels of arousal produce high levels of performance, whereas low levels of arousal produce low
levels of performance (Deckers, 2010). If there is too little arousal, tasks can be easily ignored,
causing the arousal to have little influence on performance. When arousal is too high,
performance may suffer because of anxiety.
Research has shown that diverse tasks necessitate different intensities of arousal for best
performance (Deckers, 2010). For example, complicated or mentally challenging tasks such as
writing a paper or studying for a test could entail the need for a lesser stage of arousal to assist
attentiveness. Task tough stamina or determination tasks would be performed best with an
elevated level of arousal to amplify motivation. The form of the U curve can be extremely
inconsistent because of task differences (Deckers, 2010). For undemanding or memorized tasks,

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Emotions Names PSY355/Motivational Processes in Human Psychology November 8, 2010 Instructor Emotions Emotions and arousal vary from person to person. Experiences, knowledge, mood, and the environment have roles in what emotions people display and the amount of arousal they feel. Emotions have been discussed for hundreds of years from philosophers to modern day psychologists to determine how they develop and why they differ from person to person. Some theories have been developed over the years and have been studied thoroughly using a variety of research methods. The facial feedback hypothesis has garnered much attention from a variety of fields to determine if people experience similar facial expressions based on the same stimuli. Historical Theories of Emotion and Arousal The Yerkes-Dodson law states "low arousal produces maximal performance on difficult tasks, and high arousal produces maximal performance on easy tasks" (Deckers, 2010, p. 134). This law believes there is U shaped function between arousal and performance (Deckers, 2010). High levels of arousal produce high levels of performance, whereas low levels of arousal produce low levels of performance (Deckers, 2010). If there is too little arousal, tasks can be easily ignored, causing the arousal to have little influence on performance. When arousal is too high, performance may suffer because of anxiety. Research has shown that diverse tasks necessitate different intensities of arousa ...
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