Word: scans
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...What the Fancy Machines Can - And Can't - Do New medical technology can probe, scan and make sophisticated diagnoses. But it's up to the body to cure
...last they may be getting somewhere. Next month No Lie MRI of San Diego, a beneficiary of some of that federal largesse, will roll out a brain-scan lie-detection service it is marketing to government and industry. Another company, Cephos of Pepperell, Mass., hopes to follow within a few years...
...shortcomings of fMRIs may be more serious. Physical anomalies such as evidence of a stroke or tumor can interfere with the scan's accuracy. And the test is administered in a decidedly unnatural way--with the subject lying down inside a giant magnet. Since speaking aloud activates regions of the brain that could swamp lie-detection results, subjects are asked yes-or- no questions and then instructed to push a button to answer. Maybe the brain operates the same way with a push-button fib as with a verbal one--but maybe it doesn't. And because...
...What the Fancy Machines Can - And Can't - Do New medical technology can probe, scan and make sophisticated diagnoses. But it's up to the body to cure
...scan the cabin for familiar faces. The 50-odd passengers include the usual suspects--Western "security consultants" in faux fatigues, Iraqi officials in dark suits. And some surprises, like the three women in white Indian saris with blue borders. The nuns from the Missionaries of Charity, Mother Teresa's order, are a comforting sight. One of them, Sister Benedetta, kindly gives me a laminated picture of the soon-to-be saint and a genuine relic--a microchip-size piece of Teresa's sari. A lapsed Hindu, I'm nonetheless grateful for any and all gifts that purport to holiness; somewhere...