Split screen mode allows viewing two EEG fragments simultaneously (for example two different functional tests)

This mode is very useful for visual comparison of different EEG fragments both in process of recording and reviewing.

Creation and editing of EEG montages

EEG can be displayed in any montage chosen by the user (monopolar, bipolar and mixed). With the help of this mode it is possible to create arbitrary montages. It can be used for changing of EEG traces displaying in the process of recording and reviewing.

EEG coherent analysis results

To the left are the coherency maps, and to the right are the coherency function graphs for each derivation pair. By moving the marker, user can specify the instantaneous frequency value. Before the coherent analysis the user is offered to choose the derivation pairs between which the coherency parameters will be calculated. The lines color on the maps is defined by the values of the one coherency parameters (user selected). The closer is the color of line to the red one, the higher is the value of the corresponding parameter (the higher is the coherency). As the parameters the value of the coherency on the instantaneous frequency (in the point ticked by the marker) or in the frequency ranges can serve. As a frequency range it is possible to choose either one of the standard ranges (delta, teta, alpha and beta) or total range of EEG.

Spectral and coherent EEG analysis results

In the right half of the window, coherency function graphs for selected derivation pairs are presented. In the left one there are graphs of spectrum power for each EEG derivation. On the frequency axis the standard EEG frequency ranges are marked by the color (delta, theta, alpha and beta). The frequency markers on both graphs can be moved synchronously.

EEG analysis results

In the left part of the window, graphs of spectrum power for each derivation, shown in the one overall coordinate space, are presented. In the right one graphs of coherency function for selected pairs, also drawn in one overall coordinate space, are given. The frequency markers on both graphs can be moved synchronously.

Review and analysis of multi-channel EP

The software module Neuron-Spectrum-LEP allows providing the recording and analysis of visual (flash and reversal pattern), auditory and cognitive (Р300, MNM, CNV) long-latency evoked potentials with their brain mapping. To the right the averaged EP traces with the set component markers are displayed. To the left the brain maps of EP amplitude for each EP component are represented.

EEG checkup report

In Neuron-Spectrum software the report is generated automatically basing on the results of EEG mathematical analysis. The report can be edited in the built-in or MS Word editor. The report contains the textual description of background EEG and the description of functional tests responses. If it is necessary, it can be supplemented with EEG fragments, tables, graphs and brain maps.

EEG analysis results are displayed as brain maps and bar charts

Neuron-Spectrum software allows carrying out of amplitude, spectral, periodometrical, correlative, and coherent EEG analysis. The analysis results can be represented as tables, graphs, bar charts or brain maps.

Results of epileptiform activity analysis (automatic search of spikes and sharp waves)

Epiactivity analysis can be conducted in a whole record, separate functional test or EEG fragment. The fragments with detected spikes and sharp waves are marked by the color. In the result window tables and epiactivity brain maps are shown.

3-D dipole localization of pathological electrical activity sources

BrainLoc 3-D localization software can be used as an optional module for Neuron-Spectrum EEG systems. The localization results can be presented on 3-D head model, on the diagrammatic sectional views of the brain structures or on the axial tomographic brain images.

Auditory (brainstem) EP recording

Auditory EP when stimulating from left and right for ipsi- and contralateral derivations.

Recording and analysis of somatosensory EP

3-channel somatosensory evoked potentials recording.

Neuron-Spectrum-4/EP Delivery Set

·                   EEG unit with a stand

·                   LED photic stimulator with a stand

·                   Set of accessories for EEG recording:

o                            Bridge/cup EEG electrode – 25 pcs.

o                            Ear EEG electrode – 3 pcs.

o                            EEG cable for bridge/ear EEG electrode – 25 pcs.

o                            EEG helmet – 3 pcs. (big, medium, small)

·                   Neuron-Spectrum-LEP – software for multi-channel long-latency EP study with brain mapping

·                   Neuron-Spectrum-MEP – software and equipment for 4-channel short- and long-latency EP study:

o                            Cup electrode for EP recording with cable – 8 pcs.

o                            Pup-jack linker for EP recording – 2 pcs.

o                            Set of stimulators for EP recording:

o                                      Visual stimulator (LED goggles)

o                                      Auditory stimulator (headphones)

o                                      Electro stimulating electrode

o                            Adapter for pattern-stimulator connection (as a pattern stimulator, any SVGA computer monitor can be used, but the monitor is not included in the delivery set and should be bought separately)

o                            Patient button

o                            Electrode adhesive paste

o                            Abrasive paste for skin preparation

·                   CD with software

·                   User and technical manuals

·                   Transportation bag