Bottom line: our brains can’t really handle more than one task at once without degrading performance.
Money quote:
Several research reports, both recently published and not yet published, provide evidence of the limits of multitasking. The findings, according to neuroscientists, psychologists and management professors, suggest that many people would be wise to curb their multitasking behavior when working in an office, studying or driving a car.
I wonder if I should stop reading my blackberry when stopped at red lights?
Jim
Discoverers and Discoveries 