The neurogenic theory of depression involves the notion that:

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The neurogenic theory of depression proposes that the brain is capable of making new neurons, but this process is disrupted in individuals with depression. It suggests that neurogenesis plays an important role in regulating mood, and that antidepressant treatments may work by increasing neurogenesis. Option A is incorrect because there is no evidence of neurons slowly accumulating depression; depression is a complex mood disorder that involves many factors. Option C is incorrect because depressed patients typically exhibit decreased neurogenesis, not upregulation. Option D is incorrect because studies suggest that depression may make neurons more vulnerable to damage.

The Neurogenic Theory of Depression Involves the Notion That