Example Recordings from SCTs


Here are recordings made with our subcutaneous transmitters. The NDF files are compressed as zip archives. You can download these and play them yourself with the Neuroarchiver, which is free for download as part of our LWDAQ Software.

Seizure Spreading: Presentation of rat EEG following injection of tetanus toxin in the visual cortex, recorded by an A3028A-CC two-channel SCT with one electrode in motor cortex, one in visual cortex, one in cerabellum. (Rob Wykes, ION)

Mouse_Tetanustoxin_1: Mouse EEG following injection of tetanus toxin in the visual cortex, recorded by an A3019A with screw electrodes. Shows bursts of high frequency power in the mouse motor cortex and secondary generalised seizure. One electrode is in the visual cortex, the other in the motor cortex. (Rob Wykes, ION)

Mouse_Pilocarpine_1: Mouse EEG following injection of pilocarpine into the visual cortex, recorded by an A3019A with screw electrodes. Shows evolution of epileptiform activity following pilocarpine injection into the visual cortex. (Rob Wykes, ION)

M1279645346.ndf Two minutes of heartbeat and respiration from a rat, recorded by an A3019D with two bare-wire electrodes in the chest cavity. In a sixteen-second interval we see the respiration rhythm as well as the heartbeat spikes. The spectrum shows a peak at 1 Hz is the fundamental frequency of respiration. The decreasing peaks at 2, 3, 4, 5, and 6 Hz are its harmonics. The peak at 7 Hz is the fundamental of the heartbeat. In a two-second interval we see the 7-Hz heartbeat clearly, and its harmonics at 14, 21, 28, and 35 Hz.

Mouse Classifier_Example: Four consecutive hours of EEG recorded from two mice by an A3028B with screw electrodes. Also includes event classification processor ECP3, an event library, and an event list. (Iris Oren, Edinburgh)

M1300920651.ndf: One hour of EEG from several rats after injection of tetanus toxin, recorded by an A3019D with screw electrodes. The characteristics file produced by ECP1.tcl from this recording is M1300920651_ECP1.txt. (Joost Heeroma, ION)

M1300924251.ndf: One hour of EEG from several rats after injection of tetanus toxin, recorded by A3019D transmitters with screw electrodes. The characteristics file produced by ECP1.tcl from this recording is M1300924251_ECP1.txt. (Joost Heeroma, ION)

Rat Classifier_Example: Sixteen separate hours of EEG recorded from a few dozen rats with A3019D transmitters one screw and one bare-wire electrode. Includes event classification processor ECP11V3 and Event Library. (Rob Wykes and Joost Heeroma, ION)