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. Author manuscript; available in PMC: 2015 May 21.
Published in final edited form as: Dev Neuropsychol. 2007;32(1):471–519. doi: 10.1080/87565640701360924

FIGURE 4.

FIGURE 4

The Cost-benefit trade offs result in variation in evolved traits. Here, the costs and benefits along dimensions of focused to diffuse attention and focus on external to internal information results in most individuals clustering toward the center of the figure. In this area, individuals can shift attentional resources along these dimensions, as circumstances change. Individuals in the upper left quadrant are predicted to show symptoms of ADHD, whereas those in the lower right quadrant are predicted to show obsessions associated with OCD.