Topic: Brain imaging study

Brain Scans Show We Take Risks Because We Can't Stop Ourselves

Feb. 4, 2014

[caption id="attachment_44464" align="alignright" width="300" caption="When these brain regions (mostly associated with control) aren't active enough, we make risky choices. Z-statistic corresponds to predictive ability, yellow being the most predictive regions. Image: Sarah Helfinstein/U. of Texas at Austin."]Brain Scans Reveal Activity Associated with Risky Choices[/caption]

AUSTIN, Texas  A new study correlating brain activity with how people make decisions suggests that when individuals engage in risky behavior, such as drunk driving or unsafe sex, it's probably not because their brains' desire systems are too active, but because their self-control systems are not active enough.

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