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Microcomputer analysis techniques for evaluation of benzodiazepine effects on rat electrocorticogram
Electroencephalography and Clinical Neurophysiology
|March 1, 1987
Summary
This study introduces a cost-effective microcomputer system for analyzing electroencephalogram (EEG) drug effects. Period amplitude analysis proved superior to other methods for assessing diazepam
Area of Science:
- Neuroscience
- Pharmacology
- Biomedical Engineering
Background:
- Quantitative electroencephalogram (EEG) analysis typically requires expensive minicomputers and specialized recording equipment.
- Artefact removal is a crucial step in processing EEG signals for accurate drug effect analysis.
Purpose of the Study:
- To evaluate a more affordable 'on-line' microcomputer system for quantitative EEG analysis.
- To compare the efficacy of different data reduction programs for assessing drug-induced EEG changes.
Main Methods:
- An 'on-line' microcomputer system with three data reduction programs was utilized.
- The system was employed to analyze the effects of diazepam on the rat electrocorticogram.
- Period amplitude analysis, Fast Fourier Transform, and Hjorth analysis were compared.
Main Results:
- The microcomputer system provided a cost-effective alternative for EEG data analysis.
- Period amplitude analysis demonstrated effectiveness in detecting diazepam-induced changes in the rat electrocorticogram.
- The study identified period amplitude analysis as a potentially preferable method over FFT and Hjorth analysis for this application.
Conclusions:
- A low-cost microcomputer system can be effectively used for quantitative EEG analysis of drug effects.
- Period amplitude analysis is a viable and potentially superior method for analyzing specific EEG alterations, such as those induced by diazepam.
- This approach offers a more accessible method for researchers studying neuropharmacological effects.