Interpretation of the Precision Matrix and Its Application in Estimating Sparse Brain Connectivity during Sleep Spindles from Human Electrocorticography Recordings. - Anup Das 004; Aaron L. Sampson; Claudia Lainscsek; Lyle Muller; Wutu Lin; John C. Doyle 001; Sydney S. Cash; Eric Halgren; Terrence J. Sejnowski (Neural Comput., 2017)