Essay on The Rise Of Biological Theories Within The 1970 ' S

1563 Words Nov 20th, 2015 null Page
This break down allowed for the rise of biological theories in the 1970’s. The product of this shift in thought is the term “Major Depressive Disorder” and the rise in medication as a treatment (Blazer, 2012, p. 52). To be diagnosed with major depressive disorder requires: a distinct change of mood, characterized by sadness or irritability and accompanied by at least several psychophysiological changes, such as disturbances in sleep, appetite, or sexual desire; constipation; loss of the ability to experience pleasure in work or with friends; crying; suicidal thoughts; and slowing of speech and actions. These changes must last a minimum of 2 weeks and interfere considerably with work and family relations.
(Belmaker & Agam, 2008, p. 55).
And in this definition you can see the modulation and synthesis of information about depression as it has been discussed for its history. It includes many of the same physiological and psychosocial symptoms that have been noted by philosophers historically, but also frames them into a context of duration and severity. Biological theory also focuses more on the role of neurotransmitters in the brain. The main neurotransmitters involved in depression are serotonin, noradrenaline, dopamine, gama-amniobutryic acid (GABA) and glutamate, which will tend to show hypo- and/or hyperactivity in different regions of the brain (Werner, 2009, p. 9). Most anti-depressants, and indeed any drug that affects neurotransmitter activity, work by altering the…

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