drive to my university every day so this is a normal situation for me. at a construction site the road grows narrower that's a potential source of stress for the driver but says she's just fine. it feels like driving through the city always feels nothing special. but is that really the case kemah cameras help reveal that more is going on in. psychology professor asking says yes. coming in with fossett what's your i know she was confronted with a new situation where driving became more difficult at the construction site and the driver has to concentrate more on the stress level rises mental effort increases so the forehead in the cheeks get warmer. doesn't click at the difference low effort and easy driving and intense effort in a difficult driving situation. heightened stress could mean drivers aren't driving