IN PICTURES: Big Brother’s Lab rat task

Here we are bringing a look at the latest action from the Big Brother 2012 house on their latest shopping task becoming lab rats.

The housemates have been taking part in experiments such as running on a huge wheel to get food, doing their best to not get distracted and even faking hypnosis.

‘Scientists’ Benedict, Lydia and Luke A have to predict the outcomes of the experiments before the ‘lab rats’ perform them.

Big Brother 2012 airs tonight at 10pm on Channel 5.

Lab Rat Luke S running for food

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