STRESS AND COGNITIVE FUNCTIONS Consider the work of an air traffic controller or
STRESS AND COGNITIVE FUNCTIONS
Consider the work of an air traffic controller or
STRESS AND COGNITIVE FUNCTIONS
Consider the work of an air traffic controller or an emergency room physician. Both jobs require alertness, quick thinking, and sound judgment in the making of a constant stream of life-or-death decisions. This process occurs with every worker’s shift, day after day. Imagine the impact of such an ongoing responsibility on cognitive functioning.
Stress has profound effects on cognitive functions, such as decision making, occasionally altering the brain in surprising ways. Stress symptoms may lead to prominent clinical characteristics, which often go beyond anxiety and fear. Stress hormones can affect neurotransmitter systems in the brain, causing physical changes in some cases. The hippocampus, for example, can atrophy as a result of chronic stress.
For this Discussion, consider effects of stress on cognitive functions. Then think about a time when stress affected your cognitive functions.
RESOURCES
Be sure to review the Learning Resources before completing this activity. Click the weekly resources link to access the resources.
With these thoughts in mind:
Post a brief explanation of how stress affects cognitive functions, including the roles of the amygdala and the prefrontal cortex. Then provide examples of situations when stress affected your attention, memory, problem solving, or decision making. Finally, explain how you might mitigate the effects of stress on cognitive functions.
References/Resources
Becker, M. W., & Leinenger, M. (2011). Attentional selection is biased toward mood-congruent stimuli. EmotionLinks to an external site., 11(5), 1248–1254.
Eysenck, M. W., Derakshan, N., Santos, R., & Calvo, M. G. (2007). Anxiety and cognitive performance: Attentional control theory. EmotionLinks to an external site., 7(2), 336–353.
Gamo, N. J., & Arnsten, A. F. T. (2011). Molecular modulation of prefrontal cortex: Rational development of treatments for psychiatric disorders. Behavioral NeuroscienceLinks to an external site., 125(3), 282–296.
Joormann, J., & Gotlib, I. H. (2008). Updating the contents of working memory in depression: Interference from irrelevant negative material. Journal of Abnormal PsychologyLinks to an external site., 117(1), 182–192.
Lupien, S. J., McEwen, B. S., Gunnar, M. R., & Heim, C. (2009). Effects of stress throughout the lifespan on the brain, behaviour, and cognition. Nature Reviews NeuroscienceLinks to an external site., 10(6), 434–445.
Phelps, E. A., & LeDoux, J. E. (2005). Contributions of the amygdala to emotion processing: From animal models to human behavior. NeuronLinks to an external site., 48(2), 175–1
Be sure to support your postings and responses with specific references to the Learning Resources.
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