Wiest C Torrecillos F Pogosyan A Bange M Muthuraman M Groppa S Hulse N Hasegawa H Ashkan K Baig F Morgante F Pereira EA Mallet N Magill PJ Brown P Sharott A Tan H The aperiodic exponent of subthalamic field potentials reflects excitation/inhibition balance in Parkinsonism: a cross-species study in vivo View published paper