Slow Waves of Circulatory Origin in the Electroencephalogram

Thiesen, J. Warren

doi:10.1080/00223980.1943.9917151

The Journal of Psychology

1943

DOI: 10.1080/00223980.1943.9917151

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Slow Waves of Circulatory Origin in the Electroencephalogram

J. Warren Thiesen

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1944

1947

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Cited by 3 publications

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“…A representative segment of record preceding hyperventilation was selected by inspection from the record of 1 each S and this was measured for voltage and frequency. A simultaneous electrical record of eye movement permitted elimination of artifacts due to blinking, opening the eyes, and rotation of the eyeballs (49,65,82).…”

mentioning

confidence: 99%

Level of autonomic activity and electroencephalogram.

Darrow¹,

Pathman²,

Kronenberg³

1946

Journal of Experimental Psychology

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The level of autonomic activity as well as the magnitude of response to stimulation must be taken into consideration in evaluating autonomic effects on the electroencephalogram. Reaction to stimulation involving an altered 'level of excitation' has repeatedly been studied both as 'blocking effect' on the EEG (i, 4, 5, 6, 58, 59, 84, 85) and as blocking with co'ncomitarit autonomic reactions (6, 23, 28, 36, 35, 48, 63v 64), such as changes in heart rate (HR) or as the galvanic skin response (GSR). Identity of blocking conditions (i, 5) for the EEG with the 'intention,' 'attention,' 'alertness,' and apprehension which are recognized (15, 84,85) as precipitating conditions for the GSR has been noted by Jasper (53). When protracted into a chronic state these conditions have been identified psychologically and psychiatrically as 'tension' or 'anxiety' and have been found often associated with low potential fast activity in the EEG (9, 24, 45, 56, 62, 80) and with low palmar resistance (high conductance, sweating) in the GSR (16, 29), and both have been associated with increased tenvperaturfc or metabolism (4-1, 56, 51, 54, 63). Such persisting states or levels of excitation have been referred to neurophysiologically as 'the central excitatory state' or as 'excitation background' (17*32,53).Because EEG potentials are reduced as cerebral activity is increased the correlations with bodily changes under conditions of excitation tend to be negative. The relation of EEG to levels of physiological function in the absence of central excitation, on the other hand, has been less frequently studied. Of particular interest is Hadley's (47) finding among a •group of individuals of a positive correlation of r => .33 between levels of resting heart rate and occipital EEG potential. This is the opposite relation to that where heart

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mentioning

confidence: 99%

Level of autonomic activity and electroencephalogram.

Darrow¹,

Pathman²,

Kronenberg³

1946

Journal of Experimental Psychology

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show abstract

Psychological and psychophysiological significance of the electroencephalogram.

Darrow

1947

Psychological Review

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Electroencephalography: review of 1942.

Gilman¹

1944

Psychological Bulletin

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Slow Waves of Circulatory Origin in the Electroencephalogram

Cited by 3 publications

References 20 publications

Level of autonomic activity and electroencephalogram.

Level of autonomic activity and electroencephalogram.

Psychological and psychophysiological significance of the electroencephalogram.

Electroencephalography: review of 1942.

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