Alterations of the human electroencephalogram induced by stressful verbal activity

摘要: Abstract Certain auto- and cross-spectral components of the EEG appear to be characteristic responses verbal stimuli. Employing a discriminant-analysis procedure applied spectral parameters, it proved possible separate subjectively stressful from non-stressful stimuli, determine distinctive stimuli similar stress value differing only in semantic content. The these response states were consistent over small populations, criteria developed for their identification valid several different subjects without requiring individual calibration. Other, individual-specific characteristics observed consistently parallel cyclical occurrence constituent epochs twenty-item question-answer sequence.