AcqKnowledge includes a number of fully automated EEG analysis functions.
Compute Approximate Entropy
Approximate entropy is a statistical measure that attempts to quantify the predictability of a data sequence. A perfectly predictable data series (such as a pure sine wave) has an approximate entropy of zero. Several studies are beginning to examine approximate entropy of EEG data and its relationship to external factors such as drugs and sleep states.
Derive Alpha RMS
The Derive Alpha RMS script constructs a standard alpha RMS waveform from an alpha EEG signal. Alpha RMS is the windowed root mean square value of the signal using a window width of 0.25 seconds.
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This is one of many ADVANCED FEATURES for the selected Application. Scroll down for hardware options.Derive EEG Frequency Bands
The software automaticaly filters the raw EEG signal for the appropriate band widths. The following bands are available: Alpha, Beta, Theta, Delta, and Gamma
EEG Frequency Analysis
The EEG Frequency Analysis script divides the EEG signals into fixed-width time epochs. For each individual time epoch, the Power Spectral Density function of AcqKnowledge is used to estimate the power spectrum of that epoch using a Welch periodogram estimation method. From this PSD the following measures are extracted for each epoch: Mean Power, Median Frequency, Mean Frequency, Spectral Edge, Peak Frequency.
Remove EOG Artifacts
Some EEG recordings involve subjects performing various visual tasks such as reading or watching video. Under these conditions, EEG may be susceptible to interference from the much stronger EOG signal arising from eye motion, particularly if EEG is recorded from positions oriented towards the front of the skull. The Remove EOG Artifacts script helps to remove EOG interference from the EEG signals, recovering the EEG data for use in further analysis.
Delta Power Analysis
Delta power is the total power of the EEG signal that occurs within the delta frequency band of 0.5 Hz to 4 Hz. Delta power has been examined in a number of various EEG studies as an indicator of sleep/wakefulness and other conditions. By examining changes in the delta power, it may be possible to correlate delta power with effects of external factors.
EEG - EOG Artifact Removal
EEG Frequency Analysis | AcqKnowledge Demonstration
EEG - Automated Filtering
BIOPAC Research Solutions | EEG
Integrating BIOPAC Research Systems | Data Acquisition & Analysis
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MP36R System
Wired | Automated EEG Analysis
MP36R with AcqKnowledge plus lead set & reusable 8 mm snap electrodes
MP36R System
Wired | Automated EEG Analysis
MP36R with AcqKnowledge plus electrode cap and electrode lead adapter
MP160 System
Wired | Automated EEG Analysis
MP160 System with EEG amplifier and reusable electrodes
MP160 System
Wired | Automated EEG Analysis
MP160 System with AcqKnowledge plus EEG amps and electrode cap
EEG Amp & Cap
Wired | Automated EEG Analysis
EEG amp with electrode cap system
MP36R System
Wired | Automated EEG Analysis
MP36R with AcqKnowledge plus electrode lead adapter, 8 mm shielded TP electrode and 8 mm unshielded TP electrode
MP160 System
Wired | Automated EEG Analysis
MP160 with AcqKnowledge plus five EEG amps & Touch proof 10/20 EEG Cap System
MP36R System
MP36R System
MP160 System
MP160 System
EEG Amp & Cap
MP36R System
MP160 System
MP160 System
Wireless | Automated EEG Analysis
MP160 System with AcqKnowledge plus BioNomadix wireless EEG amp, 8 mm reusable snap electrodes and adhesive gel
MP160 System
Wireless | Automated EEG Analysis
MP160 System with AcqKnowledge plus BioNomadix wireless EEG amp and 8 mm reusable snap electrodes
BioNomadix Logger
Wireless | Automated EEG Analysis
BioNomadix Logger and one transmitter for wireless EEG plus Ag-AgCl snap electrodes and tensile adhesive gel
BioNomadix Logger
Wireless | Automated EEG Analysis
BioNomadix Logger and one transmitter for wireless EMG setup, plus leads and disposable electrodes
B-Alert X10
Wireless | Automated EEG Analysis
X10 Wireless EEG (9 CH) and ECG plus Cognitive State Metrics & AcqKnowledge
BioNomadix Transmitter/Receiver
Wireless | Automated EEG Analysis
Wireless EEG BioNomadix transmitter/receiver set, reusable 8 mm snap electrodes & leads, plus MP160 with AcqKnowledge
MP160 System
MP160 System
BioNomadix Logger
BioNomadix Logger
B-Alert X10
BioNomadix Transmitter/Receiver
MP160 System
MRI | Automated EEG Analysis
MP160 System with EEG MRI amplifier, leads and disposable electrodes
MP160 System
MRI | Automated EEG Analysis
MP160 with AcqKnowledge plus EEG Amp with disposable radio-translucent electrodes
MP160 System
MP160 System
MP160 System
Animal | Automated EEG Analysis
MP160 System with EEG amplifier and needle electrodes
EEG Amp
Animal | Automated EEG Analysis
EEG amp plus three 12 mm unipolar needle electrodes
MP36R System
Animal | Automated EEG Analysis
MP36R with AcqKnowledge plus electrode lead adapter and three 12 mm TP unipolar needle electrodes
MP160 System
EEG Amp
MP36R System
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