If you’ve ever experimented with VR, you know it can trick your brain into thinking that what you see is real.

But in the United States, they are taking this technology to a whole new level – a minuscule one. Scientists there have created miniature VR goggles for mice to wear, but why?

Professor Daniel Dombeck, Department of Neurobiology, at Northwestern University, joins Jonathan to discuss.

Also joining Jonathan for this week's Newsround is Lianne Shanley, PhD Researcher from the School of Biochemistry and Immunology, Trinity College Dublin & Dr. Ruth Freeman from Science Foundation Ireland.