Box of electrodes, blunt needles, electrocaps, gel, for EEG work, as used in the Biosignal Laboratory at the Institute of Psychiatry, London, England, established by Professor Hans Eysenck and Dr Paul Barrett to conduct investigations into the relationship between psychophysical and psychometric measures, 1988-1994. Box of electrodes, blunt needles, electrocaps, gel, or EEG work, as used in the Biosignal Laboratory 1989
