Sloth Wearing EEG/EMG Recorder (IMAGE) Smithsonian Tropical Research Institute Caption This brown-throated three-toed sloth (B. variegatus) is wearing an EEG/EMG recorder on its head. Credit Niels Rattenborg, Max Planck Institute for Ornithology Usage Restrictions Credit: Max Planck Institute for Ornithology License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.