Psychology Essay

770 words - 4 pages

Psychology, as most know, is the study of the mind and personal or group thoughts, feelings, and emotions in humans and animals. Scientists study, analyze, and investigate many areas of psychology, but the causes and effects of mood disorders and emotion irregularities are still unrecognized. Many studies were an attempt to find more information on mental illnesses. One of the most common illnesses in the United States is depression, also; it is the most often recognized mental illness in the world. What most clinicians don’t know, however, is what happens in the brains of patients before, during, and after depressive episodes.
An empirical article published by Dr. B. Czech a researcher from The European Archives of Psychiatry & Clinical Neuroscience, discusses the physical changes that develops in the brain during long-term depression. It particularly describes the compression of the hippocampus as well as how this occurs. The hippocampus is an important part of the brain in mammals that controls long-term memory, spacial recognition, and emotion. It is found in almost the center of the brain.
This experimental study would help conclude on whether stress contributed to loss of size in the hippocampus. The hippocampus is Czech suggested that the neurons we not, in fact, being destroyed but loosing volume and that this was because tension and stress limited the growth of nervous tissue (Czech 2007). He also pointed out those distortions in neuron cells, which are in simple terms, brain cells, may cause hippocampus reduction. He points out that slight neuron reduction correlates with depression and also apoptosis, or, programmed evolutionary cell loss, could be the main reason
Methods used in the article to collect data were quantitative studies and qualitative observations. Rats tested in labs helped prove that cells were not being destroyed but creation of new cells was hindered. To measure, subjects were given steroids to stain cells around their hippocampi. A scan was then taken and mapped out in bar graphs comparing non depressed individuals with depressed patients. Other changes such as stress, brain function, cell reduction and surrounding area changes were monitored (Czech 2007).
It was documented, that distortion of neurons was not the cause, and natural apoptosis was not reason the hippocampus shrunk. He attributed the significant decline in mass to the suppression of neurons created each day. This only partially proved...

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