The mind’s biology
She relaxed in the recliner, her eyes closed, her hands resting lightly in her lap. The psychiatrists assistant made small talk while pushing the womans hair this way and that, dabbing her head with spots of paste before attaching the 19 electrodes to her scalp.
As the test started, her anxiety ticked up. And thats when it began: the sensation of being locked in a vise. First, she couldnt move. Then she was shrinking, collapsing in on herself like some human black hole.
It was a classic panic attack captured in vivid color on the computer screen that psychiatrist Hasan Asif was watching.
Its going to be okay, he said, his voice quiet and soothing. Just stay with it.
The images playing out in front of him were entirely unexpected; this clearly wasnt a resting state for his patient. With each surge of anxiety, a splotch of red bloomed on the computer screen. Excessive activity of high-energy brain waves near the top of her head indicated hyper-arousal and stress. Decreased activity in the front of her brain, where emotions are managed, showed she couldnt summon the resources to keep calm.
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http://www.washingtonpost.com/sf/national/2016/02/19/brain-hacking-the-minds-biology/