A cat wearing a crocheted hat custom-made to record brain activityAlienor Delsart
Scientists have recorded electrical activity in the brains of awake cats for the first time, thanks to specially crocheted wool caps that hold the electrodes in place.
The technique gives researchers a way to assess chronic pain in cats and could lead to novel treatments, says Aude Castel at the University of Montreal in Canada.

About a quarter of all adult cats live with chronic pain due to osteoarthritis, which gets worse with age.…