1 23 Journal of Comparative Physiology A Neuroethology, Sensory, Neural, and Behavioral Physiology ISSN 0340-7594 Volume 199 Number 3 J Comp Physiol A (2013) 199:183-189 DOI 10.1007/s00359-012-0779-1 Evaluation of two minimally invasive techniques for electroencephalogram recording in wild or freely behaving animals M. F. Scriba, W. M. Harmening, C. Mettke-Hofmann, A. L. Vyssotski, A. Roulin, H. Wagner & N. C. Rattenborg