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资源说明：Neural Data Acquisition and Online Spike Processing Software
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BlueSpike
Neural Data Acquisition and Online Spike Processing Software
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BlueSpike is an electrophysiology tool to perform real-time data
acquisition, visualization and sorting of neuronal spikes. It
continuously acquires data every 1 ms and realizes digital signal
processing on retrieved data.
KernelSpike:
* is a kernel module.
* provides data acquisition and signal processing every 1 ms.
* currently supports one data acquisition card with 16 channel
(i.e. NI-6070E) with a sampling rate of 40 KHz per channel.
* realizes 2nd or 4th order Butterworth digital high-pass
filtering (cut-off 150 Hz) which is managed by SpikeViewer.
* performs spike detection process on every channel. The threshold
parameter for spikes is adjusted by using SpikeViewer.
* performs spike sorting (currently only template matching) which
is managed by using SpikeSorter.
SpikeViewer:
* runs in user-space.
* starts/stops of data recording for raw and sorted data. The file
name is generated automatically according to the starting time
of the recording. It also appends a user defined phrase to the
data file name.
* visualizes the neuronal activity related to the selected channel
with a refresh rate of 10 fps.
* submits threshold parameter for spike detection which is
performed by KernelSpike.
* turns on/off 2nd and 4th order digital high-pass filters.
* visualizes detected spikes related to the selected channel.
SpikeSorter:
* runs in user-space.
* turns on/off spike sorting.
* supports up to 3 spikes per channel.
* enables selection of spikes using mouse on spike viewing window
(top-left graph) to obtain a spike template for template matching
algorithm. The determined spike template is later on plotted on
the selected spike unit window. (Note: Before selecting the
spikes by drawing a rectangle on spike viewing window, the
visualization should be paused by clicking on Pause button.)
* submits the difference parameter (Diff) for each unit to adjust
the specificity of template matcher.
* visualizes the sorted spikes on the related unit window. The
non-sorted spikes appear on non-sorted spike window (top-right
graph).
ChannelReviewer:
* runs in user-space.
* visualizes multiple spike channels with a refresh rate of 10 fps.
* is especially useful during implantation of microwire arrays to
ensure placement microwire array in the targeted brain structure.
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Dependencies:
This tool
RTAI(www.rtai.org):
* works on an RTAI-Linux platform and uses RTAI libraries.
* is developed on Linux Kernel-2.6.29.4 with RTAI-3.7.1.
COMEDI(www.comedi.org):
* uses COMEDI libraries for real-time data acquisition.
* is developed by using comedi-0.7.76 & comedilib-0.8.1
* is developed by using National-Instruments NI-6070E data
acquisition card.
GtkDatabox (http://sourceforge.net/projects/gtkdatabox/)
* uses GtkDatabox libraries for visualization of retrieved data.
* is developed by using GtkDatabox-0.9.9.1
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