NeuroImage 124 (2016) 557–572 Contents lists available at ScienceDirect NeuroImage journal homepage: www.elsevier.com/locate/ynimg Frequency-dependent spatiotemporal profiles of visual responses recorded with subdural ECoG electrodes in awake monkeys: Differences between high- and low-frequency activity Kana Takaura a, Naotsugu Tsuchiya b,c,d, Naotaka Fujii a,⁎ a Laboratory for Adaptive Intelligence, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan School of Psychological Sciences, Faculty of Biomedical and Psychological Sciences, Monash University, Melbourne, VIC 3800, Australia c Decoding and Controlling Brain Information, Japan Science and Technology Agency, Chiyoda-ku, Tokyo 102-8266, Japan d Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, VIC 3800, Australia b a r t i c l e i n f o Article history: Received 4 March 2015 Accepted 3 September 2015 Available online 10 September 2015 Keywords: Electrocorticography Frequency band Visual response Spatiotemporal profile Monkey a b s t r a c t Electrocorticography (ECoG) constitutes a powerful and promising neural recording modality in humans and animals. ECoG signals are often decomposed into several frequency bands, among which the so-called high-gamma band (80–250 Hz) has been proposed to reflect local cortical functions near the cortical surface below the ECoG electrodes. It is typically assumed that the lower the frequency bands, the low ...
Purchase document to see full attachment