Wednesday, December 9, 2009

How child abuse changes the brain

Kids who are abused or who witness violence can have organic changes to their brains. In performing a memory test while hooked up to an fMRI machine, where they were shown a word list and then the same list with some words added and  had to tell which words were new, 16 adolescents who  had symptoms of PTSD did worse on the recall part than a control group did and had less hippocampus activity.

The details of what brain part does what under what conditions blend together after a few hundred studies, but it's another reminder that we are our brain, and the physical brain can be influenced for good or bad by a lot of stuff.

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