recapitulation theory

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Related to Biogenic theory: biogenic amine theory

recapitulation theory

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According to Psychodynamic perspective of depression; the first serious challenge to Kraepelin's biogenic theory of mood disorder came from Freud and other early psychoanalytic theorists who argued that depression was not a symptom of organic dysfunction but a massive defense mounted by the ego against intrapsychic conflict.
According to the biogenic theory of fossil fuels, petroleum was formed under pressure and heat in the absence of oxygen while sadistically counting organic death tolls for millennia.