Page 2 - Facial Tracking News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: immediately, alex says she starts to feel like she has to have what she sees. >> i've been looking for these. some camo pants. these are awesome. i'm probably going to have to get these. i've been looking for something like this for a year. so it might be my lucky day. >> reporter: but what's really happening in alex's brain? according to analysis provided by the facial tracking company inviso, she is on a shopping high. her eyes are wide and alert, mouth slightly open. these are all signs that the pleasure center in her brain is lighting up which experts at the university of mich...

>> i love this. i want this dress. >> reporter: do i hear more shopping, please? >> this is adorable. >> reporter: to find out how that's possible, we mounted a gopro on 30-year-old alex roberts to see what's going on inside her brain. on average, americans buy more than one item of clothing each week. take a peek in alex's closet. you shop often. this is your sport. >> it is. >> so you still have things with tags on them. >> yes, i do. >> reporter: you buy it faster than you can wear it. >> yeah. i feel so like excited and you know pumped up when i do go shopping. kind of like a drug. >> repo...