Discuss the role of appraisal in the way we respond to stressful events and describe the biology of the fight-or-flight< /span response as well as the physical characteristics and phases of the general adaptation syndrome.
Stress is something that seems to be an inevitable part of the modern world where deadlines direct us, changes challenge us, and the unexpected unnerves us. Here is a chance to learn what we can do to prevent or at least ease stress. As you think about your discussion post, think about the following:
What factors lead to the experience of stress?
On what would they agree or disagree?
By the end of this discussion, you will be able to:
Discuss the role of appraisal in the way we respond to stressful events and describe the biology of the fight-or-flight< /span response as well as the physical characteristics and phases of the general adaptation syndrome.
Define psycho-physiological illness, and describe the effect of stress on immune system functioning, and coronary heart disease
Identify ways people cope with stress, and describe how a perceived lack of control can affect health.
Complete the following:
Identify a major stressor in your life. Please choose one that you are comfortable sharing with the class. If others are involved, please disguise their identities to protect their privacy. Describe the stressful situation and explain how it affects you. You should discuss as many of the following as possible: Emotions, self-esteem, relationships, work performance, health. Create a realistic and practical step-by-step strategy for coping with this stressful situation. Using information from your readings, explain why that strategy should be effective.
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Added on 15.06.2016 18:01
Sensation and Perception
As we learned earlier in the course, our brain is composed of neurons and information going to and from our brain is in the form of action potentials. Our brain”s neurons do not see light or hear sound or smell odors. Our brain”s neurons recognize certain patterns of action potentials coming from certain neurons as the red glow of a stop sign or the “moo” of a cow or the smell of pizza. We have specialized nerve cells called receptors that convert different types of energy in our environment into action potential codes that can be interpreted by our brain. In the retinas of our eyes we have photoreceptors that respond to light and convert light energy into action potentials that are sent to the occipital lobe of the brain.[Fig 1. Eye] Do you remember where that is? [Image of Brain] In our inner ears we have auditory receptors that are sensitive to vibrations between 20 and 20000 cycles per second and convert those vibrations into action potentials that are sent to the temporal lobes of the brain.[Fig 3. Ear] Where are the temporal lobes? In our nose we have olfactory receptors that collect chemicals in the air and send action potentials to the olfactory bulbs under the frontal lobes of the brain. [Fig 4. Nose]
Sensation is the process by which we detect physical energy from our environment and encode it as neural signals. Perception is the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. The task of each sense is to receive stimulus energy, transform it into neural signals, and send those neural messages to the brain.
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